| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| |
| #include "src/v8.h" |
| |
| #include "src/api.h" |
| #include "src/base/platform/condition-variable.h" |
| #include "src/base/platform/platform.h" |
| #include "src/compilation-cache.h" |
| #include "src/debug/debug.h" |
| #include "src/deoptimizer.h" |
| #include "src/frames.h" |
| #include "src/utils.h" |
| #include "test/cctest/cctest.h" |
| |
| |
| using ::v8::base::Mutex; |
| using ::v8::base::LockGuard; |
| using ::v8::base::ConditionVariable; |
| using ::v8::base::OS; |
| using ::v8::base::Semaphore; |
| using ::v8::internal::EmbeddedVector; |
| using ::v8::internal::Object; |
| using ::v8::internal::Handle; |
| using ::v8::internal::Heap; |
| using ::v8::internal::JSGlobalProxy; |
| using ::v8::internal::Code; |
| using ::v8::internal::Debug; |
| using ::v8::internal::CommandMessage; |
| using ::v8::internal::CommandMessageQueue; |
| using ::v8::internal::StackFrame; |
| using ::v8::internal::StepAction; |
| using ::v8::internal::StepIn; // From StepAction enum |
| using ::v8::internal::StepNext; // From StepAction enum |
| using ::v8::internal::StepOut; // From StepAction enum |
| using ::v8::internal::Vector; |
| using ::v8::internal::StrLength; |
| |
| // Size of temp buffer for formatting small strings. |
| #define SMALL_STRING_BUFFER_SIZE 80 |
| |
| // --- H e l p e r C l a s s e s |
| |
| |
| // Helper class for creating a V8 enviromnent for running tests |
| class DebugLocalContext { |
| public: |
| inline DebugLocalContext( |
| v8::Isolate* isolate, v8::ExtensionConfiguration* extensions = 0, |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::Local<v8::ObjectTemplate>(), |
| v8::Local<v8::Value> global_object = v8::Local<v8::Value>()) |
| : scope_(isolate), |
| context_(v8::Context::New(isolate, extensions, global_template, |
| global_object)) { |
| context_->Enter(); |
| } |
| inline DebugLocalContext( |
| v8::ExtensionConfiguration* extensions = 0, |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::Local<v8::ObjectTemplate>(), |
| v8::Local<v8::Value> global_object = v8::Local<v8::Value>()) |
| : scope_(CcTest::isolate()), |
| context_(v8::Context::New(CcTest::isolate(), extensions, |
| global_template, global_object)) { |
| context_->Enter(); |
| } |
| inline ~DebugLocalContext() { |
| context_->Exit(); |
| } |
| inline v8::Local<v8::Context> context() { return context_; } |
| inline v8::Context* operator->() { return *context_; } |
| inline v8::Context* operator*() { return *context_; } |
| inline v8::Isolate* GetIsolate() { return context_->GetIsolate(); } |
| inline bool IsReady() { return !context_.IsEmpty(); } |
| void ExposeDebug() { |
| v8::internal::Isolate* isolate = |
| reinterpret_cast<v8::internal::Isolate*>(context_->GetIsolate()); |
| v8::internal::Factory* factory = isolate->factory(); |
| // Expose the debug context global object in the global object for testing. |
| CHECK(isolate->debug()->Load()); |
| Handle<v8::internal::Context> debug_context = |
| isolate->debug()->debug_context(); |
| debug_context->set_security_token( |
| v8::Utils::OpenHandle(*context_)->security_token()); |
| |
| Handle<JSGlobalProxy> global(Handle<JSGlobalProxy>::cast( |
| v8::Utils::OpenHandle(*context_->Global()))); |
| Handle<v8::internal::String> debug_string = |
| factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("debug")); |
| v8::internal::JSObject::SetOwnPropertyIgnoreAttributes( |
| global, debug_string, handle(debug_context->global_proxy()), |
| v8::internal::DONT_ENUM) |
| .Check(); |
| } |
| |
| private: |
| v8::HandleScope scope_; |
| v8::Local<v8::Context> context_; |
| }; |
| |
| |
| // --- H e l p e r F u n c t i o n s |
| |
| // Compile and run the supplied source and return the requested function. |
| static v8::Local<v8::Function> CompileFunction(v8::Isolate* isolate, |
| const char* source, |
| const char* function_name) { |
| CompileRunChecked(isolate, source); |
| v8::Local<v8::String> name = v8_str(isolate, function_name); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| v8::MaybeLocal<v8::Value> maybe_function = |
| context->Global()->Get(context, name); |
| return v8::Local<v8::Function>::Cast(maybe_function.ToLocalChecked()); |
| } |
| |
| |
| // Compile and run the supplied source and return the requested function. |
| static v8::Local<v8::Function> CompileFunction(DebugLocalContext* env, |
| const char* source, |
| const char* function_name) { |
| return CompileFunction(env->GetIsolate(), source, function_name); |
| } |
| |
| |
| // Is there any debug info for the function? |
| static bool HasDebugInfo(v8::Local<v8::Function> fun) { |
| Handle<v8::internal::JSFunction> f = |
| Handle<v8::internal::JSFunction>::cast(v8::Utils::OpenHandle(*fun)); |
| Handle<v8::internal::SharedFunctionInfo> shared(f->shared()); |
| return shared->HasDebugInfo(); |
| } |
| |
| |
| // Set a break point in a function and return the associated break point |
| // number. |
| static int SetBreakPoint(Handle<v8::internal::JSFunction> fun, int position) { |
| static int break_point = 0; |
| v8::internal::Isolate* isolate = fun->GetIsolate(); |
| v8::internal::Debug* debug = isolate->debug(); |
| debug->SetBreakPoint( |
| fun, |
| Handle<Object>(v8::internal::Smi::FromInt(++break_point), isolate), |
| &position); |
| return break_point; |
| } |
| |
| |
| // Set a break point in a function and return the associated break point |
| // number. |
| static int SetBreakPoint(v8::Local<v8::Function> fun, int position) { |
| return SetBreakPoint( |
| i::Handle<i::JSFunction>::cast(v8::Utils::OpenHandle(*fun)), position); |
| } |
| |
| |
| // Set a break point in a function using the Debug object and return the |
| // associated break point number. |
| static int SetBreakPointFromJS(v8::Isolate* isolate, |
| const char* function_name, |
| int line, int position) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "debug.Debug.setBreakPoint(%s,%d,%d)", |
| function_name, line, position); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Local<v8::Value> value = CompileRunChecked(isolate, buffer.start()); |
| return value->Int32Value(isolate->GetCurrentContext()).FromJust(); |
| } |
| |
| |
| // Set a break point in a script identified by id using the global Debug object. |
| static int SetScriptBreakPointByIdFromJS(v8::Isolate* isolate, int script_id, |
| int line, int column) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| if (column >= 0) { |
| // Column specified set script break point on precise location. |
| SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointById(%d,%d,%d)", |
| script_id, line, column); |
| } else { |
| // Column not specified set script break point on line. |
| SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointById(%d,%d)", |
| script_id, line); |
| } |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| { |
| v8::TryCatch try_catch(isolate); |
| v8::Local<v8::Value> value = CompileRunChecked(isolate, buffer.start()); |
| CHECK(!try_catch.HasCaught()); |
| return value->Int32Value(isolate->GetCurrentContext()).FromJust(); |
| } |
| } |
| |
| |
| // Set a break point in a script identified by name using the global Debug |
| // object. |
| static int SetScriptBreakPointByNameFromJS(v8::Isolate* isolate, |
| const char* script_name, int line, |
| int column) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| if (column >= 0) { |
| // Column specified set script break point on precise location. |
| SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointByName(\"%s\",%d,%d)", |
| script_name, line, column); |
| } else { |
| // Column not specified set script break point on line. |
| SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointByName(\"%s\",%d)", |
| script_name, line); |
| } |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| { |
| v8::TryCatch try_catch(isolate); |
| v8::Local<v8::Value> value = CompileRunChecked(isolate, buffer.start()); |
| CHECK(!try_catch.HasCaught()); |
| return value->Int32Value(isolate->GetCurrentContext()).FromJust(); |
| } |
| } |
| |
| |
| // Clear a break point. |
| static void ClearBreakPoint(int break_point) { |
| v8::internal::Isolate* isolate = CcTest::i_isolate(); |
| v8::internal::Debug* debug = isolate->debug(); |
| debug->ClearBreakPoint( |
| Handle<Object>(v8::internal::Smi::FromInt(break_point), isolate)); |
| } |
| |
| |
| // Clear a break point using the global Debug object. |
| static void ClearBreakPointFromJS(v8::Isolate* isolate, |
| int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "debug.Debug.clearBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| CompileRunChecked(isolate, buffer.start()); |
| } |
| |
| |
| static void EnableScriptBreakPointFromJS(v8::Isolate* isolate, |
| int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "debug.Debug.enableScriptBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| CompileRunChecked(isolate, buffer.start()); |
| } |
| |
| |
| static void DisableScriptBreakPointFromJS(v8::Isolate* isolate, |
| int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "debug.Debug.disableScriptBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| CompileRunChecked(isolate, buffer.start()); |
| } |
| |
| |
| static void ChangeScriptBreakPointConditionFromJS(v8::Isolate* isolate, |
| int break_point_number, |
| const char* condition) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "debug.Debug.changeScriptBreakPointCondition(%d, \"%s\")", |
| break_point_number, condition); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| CompileRunChecked(isolate, buffer.start()); |
| } |
| |
| |
| // Change break on exception. |
| static void ChangeBreakOnException(bool caught, bool uncaught) { |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| debug->ChangeBreakOnException(v8::internal::BreakException, caught); |
| debug->ChangeBreakOnException(v8::internal::BreakUncaughtException, uncaught); |
| } |
| |
| |
| // Change break on exception using the global Debug object. |
| static void ChangeBreakOnExceptionFromJS(v8::Isolate* isolate, bool caught, |
| bool uncaught) { |
| if (caught) { |
| CompileRunChecked(isolate, "debug.Debug.setBreakOnException()"); |
| } else { |
| CompileRunChecked(isolate, "debug.Debug.clearBreakOnException()"); |
| } |
| if (uncaught) { |
| CompileRunChecked(isolate, "debug.Debug.setBreakOnUncaughtException()"); |
| } else { |
| CompileRunChecked(isolate, "debug.Debug.clearBreakOnUncaughtException()"); |
| } |
| } |
| |
| |
| // Prepare to step to next break location. |
| static void PrepareStep(StepAction step_action) { |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| debug->PrepareStep(step_action); |
| } |
| |
| |
| static void ClearStepping() { CcTest::i_isolate()->debug()->ClearStepping(); } |
| |
| |
| // This function is in namespace v8::internal to be friend with class |
| // v8::internal::Debug. |
| namespace v8 { |
| namespace internal { |
| |
| // Collect the currently debugged functions. |
| Handle<FixedArray> GetDebuggedFunctions() { |
| Debug* debug = CcTest::i_isolate()->debug(); |
| |
| v8::internal::DebugInfoListNode* node = debug->debug_info_list_; |
| |
| // Find the number of debugged functions. |
| int count = 0; |
| while (node) { |
| count++; |
| node = node->next(); |
| } |
| |
| // Allocate array for the debugged functions |
| Handle<FixedArray> debugged_functions = |
| CcTest::i_isolate()->factory()->NewFixedArray(count); |
| |
| // Run through the debug info objects and collect all functions. |
| count = 0; |
| while (node) { |
| debugged_functions->set(count++, *node->debug_info()); |
| node = node->next(); |
| } |
| |
| return debugged_functions; |
| } |
| |
| |
| // Check that the debugger has been fully unloaded. |
| void CheckDebuggerUnloaded(bool check_functions) { |
| // Check that the debugger context is cleared and that there is no debug |
| // information stored for the debugger. |
| CHECK(CcTest::i_isolate()->debug()->debug_context().is_null()); |
| CHECK(!CcTest::i_isolate()->debug()->debug_info_list_); |
| |
| // Collect garbage to ensure weak handles are cleared. |
| CcTest::heap()->CollectAllGarbage(); |
| CcTest::heap()->CollectAllGarbage(Heap::kMakeHeapIterableMask); |
| |
| // Iterate the head and check that there are no debugger related objects left. |
| HeapIterator iterator(CcTest::heap()); |
| for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
| CHECK(!obj->IsDebugInfo()); |
| CHECK(!obj->IsBreakPointInfo()); |
| |
| // If deep check of functions is requested check that no debug break code |
| // is left in all functions. |
| if (check_functions) { |
| if (obj->IsJSFunction()) { |
| JSFunction* fun = JSFunction::cast(obj); |
| for (RelocIterator it(fun->shared()->code(), |
| RelocInfo::kDebugBreakSlotMask); |
| !it.done(); it.next()) { |
| CHECK(!it.rinfo()->IsPatchedDebugBreakSlotSequence()); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| |
| // Check that the debugger has been fully unloaded. |
| static void CheckDebuggerUnloaded(v8::Isolate* isolate, |
| bool check_functions = false) { |
| // Let debugger to unload itself synchronously |
| v8::Debug::ProcessDebugMessages(isolate); |
| |
| v8::internal::CheckDebuggerUnloaded(check_functions); |
| } |
| |
| |
| // --- D e b u g E v e n t H a n d l e r s |
| // --- |
| // --- The different tests uses a number of debug event handlers. |
| // --- |
| |
| |
| // Source for the JavaScript function which picks out the function |
| // name of a frame. |
| const char* frame_function_name_source = |
| "function frame_function_name(exec_state, frame_number) {" |
| " return exec_state.frame(frame_number).func().name();" |
| "}"; |
| v8::Local<v8::Function> frame_function_name; |
| |
| |
| // Source for the JavaScript function which pick out the name of the |
| // first argument of a frame. |
| const char* frame_argument_name_source = |
| "function frame_argument_name(exec_state, frame_number) {" |
| " return exec_state.frame(frame_number).argumentName(0);" |
| "}"; |
| v8::Local<v8::Function> frame_argument_name; |
| |
| |
| // Source for the JavaScript function which pick out the value of the |
| // first argument of a frame. |
| const char* frame_argument_value_source = |
| "function frame_argument_value(exec_state, frame_number) {" |
| " return exec_state.frame(frame_number).argumentValue(0).value_;" |
| "}"; |
| v8::Local<v8::Function> frame_argument_value; |
| |
| |
| // Source for the JavaScript function which pick out the name of the |
| // first argument of a frame. |
| const char* frame_local_name_source = |
| "function frame_local_name(exec_state, frame_number) {" |
| " return exec_state.frame(frame_number).localName(0);" |
| "}"; |
| v8::Local<v8::Function> frame_local_name; |
| |
| |
| // Source for the JavaScript function which pick out the value of the |
| // first argument of a frame. |
| const char* frame_local_value_source = |
| "function frame_local_value(exec_state, frame_number) {" |
| " return exec_state.frame(frame_number).localValue(0).value_;" |
| "}"; |
| v8::Local<v8::Function> frame_local_value; |
| |
| |
| // Source for the JavaScript function which picks out the source line for the |
| // top frame. |
| const char* frame_source_line_source = |
| "function frame_source_line(exec_state) {" |
| " return exec_state.frame(0).sourceLine();" |
| "}"; |
| v8::Local<v8::Function> frame_source_line; |
| |
| |
| // Source for the JavaScript function which picks out the source column for the |
| // top frame. |
| const char* frame_source_column_source = |
| "function frame_source_column(exec_state) {" |
| " return exec_state.frame(0).sourceColumn();" |
| "}"; |
| v8::Local<v8::Function> frame_source_column; |
| |
| |
| // Source for the JavaScript function which picks out the script name for the |
| // top frame. |
| const char* frame_script_name_source = |
| "function frame_script_name(exec_state) {" |
| " return exec_state.frame(0).func().script().name();" |
| "}"; |
| v8::Local<v8::Function> frame_script_name; |
| |
| |
| // Source for the JavaScript function which returns the number of frames. |
| static const char* frame_count_source = |
| "function frame_count(exec_state) {" |
| " return exec_state.frameCount();" |
| "}"; |
| v8::Local<v8::Function> frame_count; |
| |
| |
| // Global variable to store the last function hit - used by some tests. |
| char last_function_hit[80]; |
| |
| // Global variable to store the name for last script hit - used by some tests. |
| char last_script_name_hit[80]; |
| |
| // Global variables to store the last source position - used by some tests. |
| int last_source_line = -1; |
| int last_source_column = -1; |
| |
| // Debug event handler which counts the break points which have been hit. |
| int break_point_hit_count = 0; |
| int break_point_hit_count_deoptimize = 0; |
| static void DebugEventBreakPointHitCount( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| v8::internal::Isolate* isolate = CcTest::i_isolate(); |
| Debug* debug = isolate->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| // Count the number of breaks. |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| if (!frame_function_name.IsEmpty()) { |
| // Get the name of the function. |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = { |
| exec_state, v8::Integer::New(CcTest::isolate(), 0)}; |
| v8::Local<v8::Value> result = |
| frame_function_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| if (result->IsUndefined()) { |
| last_function_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Local<v8::String> function_name(result.As<v8::String>()); |
| function_name->WriteUtf8(last_function_hit); |
| } |
| } |
| |
| if (!frame_source_line.IsEmpty()) { |
| // Get the source line. |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = {exec_state}; |
| v8::Local<v8::Value> result = |
| frame_source_line->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsNumber()); |
| last_source_line = result->Int32Value(context).FromJust(); |
| } |
| |
| if (!frame_source_column.IsEmpty()) { |
| // Get the source column. |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = {exec_state}; |
| v8::Local<v8::Value> result = |
| frame_source_column->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsNumber()); |
| last_source_column = result->Int32Value(context).FromJust(); |
| } |
| |
| if (!frame_script_name.IsEmpty()) { |
| // Get the script name of the function script. |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = {exec_state}; |
| v8::Local<v8::Value> result = |
| frame_script_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| if (result->IsUndefined()) { |
| last_script_name_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Local<v8::String> script_name(result.As<v8::String>()); |
| script_name->WriteUtf8(last_script_name_hit); |
| } |
| } |
| |
| // Perform a full deoptimization when the specified number of |
| // breaks have been hit. |
| if (break_point_hit_count == break_point_hit_count_deoptimize) { |
| i::Deoptimizer::DeoptimizeAll(isolate); |
| } |
| } |
| } |
| |
| |
| // Debug event handler which counts a number of events and collects the stack |
| // height if there is a function compiled for that. |
| int exception_hit_count = 0; |
| int uncaught_exception_hit_count = 0; |
| int last_js_stack_height = -1; |
| v8::Local<v8::Function> debug_event_listener_callback; |
| int debug_event_listener_callback_result; |
| |
| static void DebugEventCounterClear() { |
| break_point_hit_count = 0; |
| exception_hit_count = 0; |
| uncaught_exception_hit_count = 0; |
| } |
| |
| static void DebugEventCounter( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Local<v8::Object> event_data = event_details.GetEventData(); |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| // Count the number of breaks. |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| } else if (event == v8::Exception) { |
| exception_hit_count++; |
| |
| // Check whether the exception was uncaught. |
| v8::Local<v8::String> fun_name = v8_str(CcTest::isolate(), "uncaught"); |
| v8::Local<v8::Function> fun = v8::Local<v8::Function>::Cast( |
| event_data->Get(context, fun_name).ToLocalChecked()); |
| v8::Local<v8::Value> result = |
| fun->Call(context, event_data, 0, NULL).ToLocalChecked(); |
| if (result->IsTrue()) { |
| uncaught_exception_hit_count++; |
| } |
| } |
| |
| // Collect the JavsScript stack height if the function frame_count is |
| // compiled. |
| if (!frame_count.IsEmpty()) { |
| static const int kArgc = 1; |
| v8::Local<v8::Value> argv[kArgc] = {exec_state}; |
| // Using exec_state as receiver is just to have a receiver. |
| v8::Local<v8::Value> result = |
| frame_count->Call(context, exec_state, kArgc, argv).ToLocalChecked(); |
| last_js_stack_height = result->Int32Value(context).FromJust(); |
| } |
| |
| // Run callback from DebugEventListener and check the result. |
| if (!debug_event_listener_callback.IsEmpty()) { |
| v8::Local<v8::Value> result = |
| debug_event_listener_callback->Call(context, event_data, 0, NULL) |
| .ToLocalChecked(); |
| CHECK(!result.IsEmpty()); |
| CHECK_EQ(debug_event_listener_callback_result, |
| result->Int32Value(context).FromJust()); |
| } |
| } |
| |
| |
| // Debug event handler which evaluates a number of expressions when a break |
| // point is hit. Each evaluated expression is compared with an expected value. |
| // For this debug event handler to work the following two global varaibles |
| // must be initialized. |
| // checks: An array of expressions and expected results |
| // evaluate_check_function: A JavaScript function (see below) |
| |
| // Structure for holding checks to do. |
| struct EvaluateCheck { |
| const char* expr; // An expression to evaluate when a break point is hit. |
| v8::Local<v8::Value> expected; // The expected result. |
| }; |
| |
| |
| // Array of checks to do. |
| struct EvaluateCheck* checks = NULL; |
| // Source for The JavaScript function which can do the evaluation when a break |
| // point is hit. |
| const char* evaluate_check_source = |
| "function evaluate_check(exec_state, expr, expected) {" |
| " return exec_state.frame(0).evaluate(expr).value() === expected;" |
| "}"; |
| v8::Local<v8::Function> evaluate_check_function; |
| |
| // The actual debug event described by the longer comment above. |
| static void DebugEventEvaluate( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| for (int i = 0; checks[i].expr != NULL; i++) { |
| const int argc = 3; |
| v8::Local<v8::String> string = v8_str(isolate, checks[i].expr); |
| v8::Local<v8::Value> argv[argc] = {exec_state, string, |
| checks[i].expected}; |
| v8::Local<v8::Value> result = |
| evaluate_check_function->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| if (!result->IsTrue()) { |
| v8::String::Utf8Value utf8(checks[i].expected); |
| V8_Fatal(__FILE__, __LINE__, "%s != %s", checks[i].expr, *utf8); |
| } |
| } |
| } |
| } |
| |
| |
| // This debug event listener removes a breakpoint in a function |
| int debug_event_remove_break_point = 0; |
| static void DebugEventRemoveBreakPoint( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Value> data = event_details.GetCallbackData(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| CHECK(data->IsFunction()); |
| ClearBreakPoint(debug_event_remove_break_point); |
| } |
| } |
| |
| |
| // Debug event handler which counts break points hit and performs a step |
| // afterwards. |
| StepAction step_action = StepIn; // Step action to perform when stepping. |
| static void DebugEventStep( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| PrepareStep(step_action); |
| } |
| } |
| |
| |
| // Debug event handler which counts break points hit and performs a step |
| // afterwards. For each call the expected function is checked. |
| // For this debug event handler to work the following two global varaibles |
| // must be initialized. |
| // expected_step_sequence: An array of the expected function call sequence. |
| // frame_function_name: A JavaScript function (see below). |
| |
| // String containing the expected function call sequence. Note: this only works |
| // if functions have name length of one. |
| const char* expected_step_sequence = NULL; |
| |
| // The actual debug event described by the longer comment above. |
| static void DebugEventStepSequence( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break || event == v8::Exception) { |
| // Check that the current function is the expected. |
| CHECK(break_point_hit_count < |
| StrLength(expected_step_sequence)); |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = {exec_state, |
| v8::Integer::New(CcTest::isolate(), 0)}; |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| v8::Local<v8::Value> result = |
| frame_function_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsString()); |
| v8::String::Utf8Value function_name( |
| result->ToString(context).ToLocalChecked()); |
| CHECK_EQ(1, StrLength(*function_name)); |
| CHECK_EQ((*function_name)[0], |
| expected_step_sequence[break_point_hit_count]); |
| |
| // Perform step. |
| break_point_hit_count++; |
| PrepareStep(step_action); |
| } |
| } |
| |
| |
| // Debug event handler which performs a garbage collection. |
| static void DebugEventBreakPointCollectGarbage( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| // Perform a garbage collection when break point is hit and continue. Based |
| // on the number of break points hit either scavenge or mark compact |
| // collector is used. |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| if (break_point_hit_count % 2 == 0) { |
| // Scavenge. |
| CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE); |
| } else { |
| // Mark sweep compact. |
| CcTest::heap()->CollectAllGarbage(); |
| } |
| } |
| } |
| |
| |
| // Debug event handler which re-issues a debug break and calls the garbage |
| // collector to have the heap verified. |
| static void DebugEventBreak( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| // Count the number of breaks. |
| break_point_hit_count++; |
| |
| // Run the garbage collector to enforce heap verification if option |
| // --verify-heap is set. |
| CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE); |
| |
| // Set the break flag again to come back here as soon as possible. |
| v8::Debug::DebugBreak(CcTest::isolate()); |
| } |
| } |
| |
| |
| // Debug event handler which re-issues a debug break until a limit has been |
| // reached. |
| int max_break_point_hit_count = 0; |
| bool terminate_after_max_break_point_hit = false; |
| static void DebugEventBreakMax( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Isolate* v8_isolate = CcTest::isolate(); |
| v8::internal::Isolate* isolate = CcTest::i_isolate(); |
| v8::internal::Debug* debug = isolate->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| if (break_point_hit_count < max_break_point_hit_count) { |
| // Count the number of breaks. |
| break_point_hit_count++; |
| |
| // Set the break flag again to come back here as soon as possible. |
| v8::Debug::DebugBreak(v8_isolate); |
| |
| } else if (terminate_after_max_break_point_hit) { |
| // Terminate execution after the last break if requested. |
| v8_isolate->TerminateExecution(); |
| } |
| |
| // Perform a full deoptimization when the specified number of |
| // breaks have been hit. |
| if (break_point_hit_count == break_point_hit_count_deoptimize) { |
| i::Deoptimizer::DeoptimizeAll(isolate); |
| } |
| } |
| } |
| |
| |
| // --- M e s s a g e C a l l b a c k |
| |
| |
| // Message callback which counts the number of messages. |
| int message_callback_count = 0; |
| |
| static void MessageCallbackCountClear() { |
| message_callback_count = 0; |
| } |
| |
| static void MessageCallbackCount(v8::Local<v8::Message> message, |
| v8::Local<v8::Value> data) { |
| message_callback_count++; |
| } |
| |
| |
| // --- T h e A c t u a l T e s t s |
| |
| // Test that the debug info in the VM is in sync with the functions being |
| // debugged. |
| TEST(DebugInfo) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| // Create a couple of functions for the test. |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){}", "foo"); |
| v8::Local<v8::Function> bar = |
| CompileFunction(&env, "function bar(){}", "bar"); |
| // Initially no functions are debugged. |
| CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length()); |
| CHECK(!HasDebugInfo(foo)); |
| CHECK(!HasDebugInfo(bar)); |
| EnableDebugger(env->GetIsolate()); |
| // One function (foo) is debugged. |
| int bp1 = SetBreakPoint(foo, 0); |
| CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length()); |
| CHECK(HasDebugInfo(foo)); |
| CHECK(!HasDebugInfo(bar)); |
| // Two functions are debugged. |
| int bp2 = SetBreakPoint(bar, 0); |
| CHECK_EQ(2, v8::internal::GetDebuggedFunctions()->length()); |
| CHECK(HasDebugInfo(foo)); |
| CHECK(HasDebugInfo(bar)); |
| // One function (bar) is debugged. |
| ClearBreakPoint(bp1); |
| CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length()); |
| CHECK(!HasDebugInfo(foo)); |
| CHECK(HasDebugInfo(bar)); |
| // No functions are debugged. |
| ClearBreakPoint(bp2); |
| DisableDebugger(env->GetIsolate()); |
| CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length()); |
| CHECK(!HasDebugInfo(foo)); |
| CHECK(!HasDebugInfo(bar)); |
| } |
| |
| |
| // Test that a break point can be set at an IC store location. |
| TEST(BreakPointICStore) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){bar=0;}", "foo"); |
| |
| // Run without breakpoints. |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that a break point can be set at an IC load location. |
| TEST(BreakPointICLoad) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| CompileRunChecked(env->GetIsolate(), "bar=1"); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){var x=bar;}", "foo"); |
| |
| // Run without breakpoints. |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location. |
| TEST(BreakPointICCall) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| CompileRunChecked(env->GetIsolate(), "function bar(){}"); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){bar();}", "foo"); |
| |
| // Run without breakpoints. |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location and survive a GC. |
| TEST(BreakPointICCallWithGC) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointCollectGarbage); |
| CompileRunChecked(env->GetIsolate(), "function bar(){return 1;}"); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){return bar();}", "foo"); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Run without breakpoints. |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location and survive a GC. |
| TEST(BreakPointConstructCallWithGC) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointCollectGarbage); |
| CompileRunChecked(env->GetIsolate(), "function bar(){ this.x = 1;}"); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){return new bar(1).x;}", "foo"); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Run without breakpoints. |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(1, foo->Call(context, env->Global(), 0, NULL) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that a break point can be set at a return store location. |
| TEST(BreakPointReturn) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a functions for checking the source line and column when hitting |
| // a break point. |
| frame_source_line = CompileFunction(&env, |
| frame_source_line_source, |
| "frame_source_line"); |
| frame_source_column = CompileFunction(&env, |
| frame_source_column_source, |
| "frame_source_column"); |
| |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){}", "foo"); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Run without breakpoints. |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, last_source_line); |
| CHECK_EQ(15, last_source_column); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ(0, last_source_line); |
| CHECK_EQ(15, last_source_column); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| static void CallWithBreakPoints(v8::Local<v8::Context> context, |
| v8::Local<v8::Object> recv, |
| v8::Local<v8::Function> f, |
| int break_point_count, int call_count) { |
| break_point_hit_count = 0; |
| for (int i = 0; i < call_count; i++) { |
| f->Call(context, recv, 0, NULL).ToLocalChecked(); |
| CHECK_EQ((i + 1) * break_point_count, break_point_hit_count); |
| } |
| } |
| |
| |
| // Test GC during break point processing. |
| TEST(GCDuringBreakPointProcessing) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointCollectGarbage); |
| v8::Local<v8::Function> foo; |
| |
| // Test IC store break point with garbage collection. |
| foo = CompileFunction(&env, "function foo(){bar=0;}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(context, env->Global(), foo, 1, 10); |
| |
| // Test IC load break point with garbage collection. |
| foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(context, env->Global(), foo, 1, 10); |
| |
| // Test IC call break point with garbage collection. |
| foo = CompileFunction(&env, "function bar(){};function foo(){bar();}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(context, env->Global(), foo, 1, 10); |
| |
| // Test return break point with garbage collection. |
| foo = CompileFunction(&env, "function foo(){}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(context, env->Global(), foo, 1, 25); |
| |
| // Test debug break slot break point with garbage collection. |
| foo = CompileFunction(&env, "function foo(){var a;}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(context, env->Global(), foo, 1, 25); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Call the function three times with different garbage collections in between |
| // and make sure that the break point survives. |
| static void CallAndGC(v8::Local<v8::Context> context, |
| v8::Local<v8::Object> recv, v8::Local<v8::Function> f) { |
| break_point_hit_count = 0; |
| |
| for (int i = 0; i < 3; i++) { |
| // Call function. |
| f->Call(context, recv, 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1 + i * 3, break_point_hit_count); |
| |
| // Scavenge and call function. |
| CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE); |
| f->Call(context, recv, 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2 + i * 3, break_point_hit_count); |
| |
| // Mark sweep (and perhaps compact) and call function. |
| CcTest::heap()->CollectAllGarbage(); |
| f->Call(context, recv, 0, NULL).ToLocalChecked(); |
| CHECK_EQ(3 + i * 3, break_point_hit_count); |
| } |
| } |
| |
| |
| // Test that a break point can be set at a return store location. |
| TEST(BreakPointSurviveGC) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Function> foo; |
| |
| // Test IC store break point with garbage collection. |
| { |
| CompileFunction(&env, "function foo(){}", "foo"); |
| foo = CompileFunction(&env, "function foo(){bar=0;}", "foo"); |
| SetBreakPoint(foo, 0); |
| } |
| CallAndGC(context, env->Global(), foo); |
| |
| // Test IC load break point with garbage collection. |
| { |
| CompileFunction(&env, "function foo(){}", "foo"); |
| foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo"); |
| SetBreakPoint(foo, 0); |
| } |
| CallAndGC(context, env->Global(), foo); |
| |
| // Test IC call break point with garbage collection. |
| { |
| CompileFunction(&env, "function foo(){}", "foo"); |
| foo = CompileFunction(&env, |
| "function bar(){};function foo(){bar();}", |
| "foo"); |
| SetBreakPoint(foo, 0); |
| } |
| CallAndGC(context, env->Global(), foo); |
| |
| // Test return break point with garbage collection. |
| { |
| CompileFunction(&env, "function foo(){}", "foo"); |
| foo = CompileFunction(&env, "function foo(){}", "foo"); |
| SetBreakPoint(foo, 0); |
| } |
| CallAndGC(context, env->Global(), foo); |
| |
| // Test non IC break point with garbage collection. |
| { |
| CompileFunction(&env, "function foo(){}", "foo"); |
| foo = CompileFunction(&env, "function foo(){var bar=0;}", "foo"); |
| SetBreakPoint(foo, 0); |
| } |
| CallAndGC(context, env->Global(), foo); |
| |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that break points can be set using the global Debug object. |
| TEST(BreakPointThroughJavaScript) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| CompileRunChecked(isolate, "function bar(){}"); |
| CompileFunction(isolate, "function foo(){bar();bar();}", "foo"); |
| // 012345678901234567890 |
| // 1 2 |
| // Break points are set at position 3 and 9 |
| v8::Local<v8::String> source = v8_str(env->GetIsolate(), "foo()"); |
| v8::Local<v8::Script> foo = |
| v8::Script::Compile(context, source).ToLocalChecked(); |
| |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with one breakpoint |
| int bp1 = SetBreakPointFromJS(env->GetIsolate(), "foo", 0, 3); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run with two breakpoints |
| int bp2 = SetBreakPointFromJS(env->GetIsolate(), "foo", 0, 9); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Run with one breakpoint |
| ClearBreakPointFromJS(env->GetIsolate(), bp2); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(7, break_point_hit_count); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPointFromJS(env->GetIsolate(), bp1); |
| foo->Run(context).ToLocalChecked(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| |
| // Make sure that the break point numbers are consecutive. |
| CHECK_EQ(1, bp1); |
| CHECK_EQ(2, bp2); |
| } |
| |
| |
| // Test that break points on scripts identified by name can be set using the |
| // global Debug object. |
| TEST(ScriptBreakPointByNameThroughJavaScript) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::String> script = v8_str(isolate, |
| "function f() {\n" |
| " function h() {\n" |
| " a = 0; // line 2\n" |
| " }\n" |
| " b = 1; // line 4\n" |
| " return h();\n" |
| "}\n" |
| "\n" |
| "function g() {\n" |
| " function h() {\n" |
| " a = 0;\n" |
| " }\n" |
| " b = 2; // line 12\n" |
| " h();\n" |
| " b = 3; // line 14\n" |
| " f(); // line 15\n" |
| "}"); |
| |
| // Compile the script and get the two functions. |
| v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str(isolate, "test")); |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "f")).ToLocalChecked()); |
| v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "g")).ToLocalChecked()); |
| |
| // Call f and g without break points. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 12. |
| int sbp1 = SetScriptBreakPointByNameFromJS(isolate, "test", 12, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Remove the break point again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 2. |
| int sbp2 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 2, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Call f and g with break point on line 2, 4, 12, 14 and 15. |
| int sbp3 = SetScriptBreakPointByNameFromJS(isolate, "test", 4, 0); |
| int sbp4 = SetScriptBreakPointByNameFromJS(isolate, "test", 12, 0); |
| int sbp5 = SetScriptBreakPointByNameFromJS(isolate, "test", 14, 0); |
| int sbp6 = SetScriptBreakPointByNameFromJS(isolate, "test", 15, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Remove all the break points again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(isolate, sbp2); |
| ClearBreakPointFromJS(isolate, sbp3); |
| ClearBreakPointFromJS(isolate, sbp4); |
| ClearBreakPointFromJS(isolate, sbp5); |
| ClearBreakPointFromJS(isolate, sbp6); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| |
| // Make sure that the break point numbers are consecutive. |
| CHECK_EQ(1, sbp1); |
| CHECK_EQ(2, sbp2); |
| CHECK_EQ(3, sbp3); |
| CHECK_EQ(4, sbp4); |
| CHECK_EQ(5, sbp5); |
| CHECK_EQ(6, sbp6); |
| } |
| |
| |
| TEST(ScriptBreakPointByIdThroughJavaScript) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::String> source = v8_str(isolate, |
| "function f() {\n" |
| " function h() {\n" |
| " a = 0; // line 2\n" |
| " }\n" |
| " b = 1; // line 4\n" |
| " return h();\n" |
| "}\n" |
| "\n" |
| "function g() {\n" |
| " function h() {\n" |
| " a = 0;\n" |
| " }\n" |
| " b = 2; // line 12\n" |
| " h();\n" |
| " b = 3; // line 14\n" |
| " f(); // line 15\n" |
| "}"); |
| |
| // Compile the script and get the two functions. |
| v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str(isolate, "test")); |
| v8::Local<v8::Script> script = |
| v8::Script::Compile(context, source, &origin).ToLocalChecked(); |
| script->Run(context).ToLocalChecked(); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "f")).ToLocalChecked()); |
| v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "g")).ToLocalChecked()); |
| |
| // Get the script id knowing that internally it is a 32 integer. |
| int script_id = script->GetUnboundScript()->GetId(); |
| |
| // Call f and g without break points. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 12. |
| int sbp1 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 12, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Remove the break point again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 2. |
| int sbp2 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 2, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Call f and g with break point on line 2, 4, 12, 14 and 15. |
| int sbp3 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 4, 0); |
| int sbp4 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 12, 0); |
| int sbp5 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 14, 0); |
| int sbp6 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 15, 0); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Remove all the break points again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(env->GetIsolate(), sbp2); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp3); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp4); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp5); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp6); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| |
| // Make sure that the break point numbers are consecutive. |
| CHECK_EQ(1, sbp1); |
| CHECK_EQ(2, sbp2); |
| CHECK_EQ(3, sbp3); |
| CHECK_EQ(4, sbp4); |
| CHECK_EQ(5, sbp5); |
| CHECK_EQ(6, sbp6); |
| } |
| |
| |
| // Test conditional script break points. |
| TEST(EnableDisableScriptBreakPoint) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::String> script = v8_str(isolate, |
| "function f() {\n" |
| " a = 0; // line 1\n" |
| "};"); |
| |
| // Compile the script and get function f. |
| v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str(isolate, "test")); |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "f")).ToLocalChecked()); |
| |
| // Set script break point on line 1 (in function f). |
| int sbp = SetScriptBreakPointByNameFromJS(isolate, "test", 1, 0); |
| |
| // Call f while enabeling and disabling the script break point. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| DisableScriptBreakPointFromJS(isolate, sbp); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| EnableScriptBreakPointFromJS(isolate, sbp); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| DisableScriptBreakPointFromJS(isolate, sbp); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Reload the script and get f again checking that the disabling survives. |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "f")).ToLocalChecked()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| EnableScriptBreakPointFromJS(isolate, sbp); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| // Test conditional script break points. |
| TEST(ConditionalScriptBreakPoint) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::String> script = v8_str(env->GetIsolate(), |
| "count = 0;\n" |
| "function f() {\n" |
| " g(count++); // line 2\n" |
| "};\n" |
| "function g(x) {\n" |
| " var a=x; // line 5\n" |
| "};"); |
| |
| // Compile the script and get function f. |
| v8::Local<v8::Context> context = env.context(); |
| v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str(env->GetIsolate(), "test")); |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| // Set script break point on line 5 (in function g). |
| int sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 5, 0); |
| |
| // Call f with different conditions on the script break point. |
| break_point_hit_count = 0; |
| ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "false"); |
| f->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "true"); |
| break_point_hit_count = 0; |
| f->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "x % 2 == 0"); |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Reload the script and get f again checking that the condition survives. |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env.context(), env->Global(), 0, NULL).ToLocalChecked(); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that script break points survive when a script is reloaded. |
| TEST(ScriptBreakPointReload) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script = v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " function h() {\n" |
| " a = 0; // line 2\n" |
| " }\n" |
| " b = 1; // line 4\n" |
| " return h();\n" |
| "}"); |
| |
| v8::ScriptOrigin origin_1 = v8::ScriptOrigin(v8_str(env->GetIsolate(), "1")); |
| v8::ScriptOrigin origin_2 = v8::ScriptOrigin(v8_str(env->GetIsolate(), "2")); |
| |
| // Set a script break point before the script is loaded. |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "1", 2, 0); |
| |
| // Compile the script and get the function. |
| v8::Script::Compile(context, script, &origin_1) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Compile the script again with a different script data and get the |
| // function. |
| v8::Script::Compile(context, script, &origin_2) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| // Call f and check that no break points are set. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Compile the script again and get the function. |
| v8::Script::Compile(context, script, &origin_1) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test when several scripts has the same script data |
| TEST(ScriptBreakPointMultiple) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script_f = v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " a = 0; // line 1\n" |
| "}"); |
| |
| v8::Local<v8::Function> g; |
| v8::Local<v8::String> script_g = v8_str(env->GetIsolate(), |
| "function g() {\n" |
| " b = 0; // line 1\n" |
| "}"); |
| |
| v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str(env->GetIsolate(), "test")); |
| |
| // Set a script break point before the scripts are loaded. |
| int sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0); |
| |
| // Compile the scripts with same script data and get the functions. |
| v8::Script::Compile(context, script_f, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| v8::Script::Compile(context, script_g, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| g = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "g")) |
| .ToLocalChecked()); |
| |
| // Call f and g and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Clear the script break point. |
| ClearBreakPointFromJS(env->GetIsolate(), sbp); |
| |
| // Call f and g and check that the script break point is no longer active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set script break point with the scripts loaded. |
| sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0); |
| |
| // Call f and g and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test the script origin which has both name and line offset. |
| TEST(ScriptBreakPointLineOffset) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script = |
| v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " a = 0; // line 8 as this script has line offset 7\n" |
| " b = 0; // line 9 as this script has line offset 7\n" |
| "}"); |
| |
| // Create script origin both name and line offset. |
| v8::ScriptOrigin origin(v8_str(env->GetIsolate(), "test.html"), |
| v8::Integer::New(env->GetIsolate(), 7)); |
| |
| // Set two script break points before the script is loaded. |
| int sbp1 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 8, 0); |
| int sbp2 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 9, 0); |
| |
| // Compile the script and get the function. |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Clear the script break points. |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp2); |
| |
| // Call f and check that no script break points are active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set a script break point with the script loaded. |
| sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 9, 0); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test script break points set on lines. |
| TEST(ScriptBreakPointLine) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> f; |
| v8::Local<v8::Function> g; |
| v8::Local<v8::String> script = |
| v8_str(env->GetIsolate(), |
| "a = 0 // line 0\n" |
| "function f() {\n" |
| " a = 1; // line 2\n" |
| "}\n" |
| " a = 2; // line 4\n" |
| " /* xx */ function g() { // line 5\n" |
| " function h() { // line 6\n" |
| " a = 3; // line 7\n" |
| " }\n" |
| " h(); // line 9\n" |
| " a = 4; // line 10\n" |
| " }\n" |
| " a=5; // line 12"); |
| |
| // Set a couple script break point before the script is loaded. |
| int sbp1 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 0, -1); |
| int sbp2 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 1, -1); |
| int sbp3 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 5, -1); |
| |
| // Compile the script and get the function. |
| break_point_hit_count = 0; |
| v8::ScriptOrigin origin(v8_str(env->GetIsolate(), "test.html"), |
| v8::Integer::New(env->GetIsolate(), 0)); |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| g = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "g")) |
| .ToLocalChecked()); |
| |
| // Check that a break point was hit when the script was run. |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, StrLength(last_function_hit)); |
| |
| // Call f and check that the script break point. |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ(0, strcmp("f", last_function_hit)); |
| |
| // Call g and check that the script break point. |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| CHECK_EQ(0, strcmp("g", last_function_hit)); |
| |
| // Clear the script break point on g and set one on h. |
| ClearBreakPointFromJS(env->GetIsolate(), sbp3); |
| int sbp4 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 6, -1); |
| |
| // Call g and check that the script break point in h is hit. |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| CHECK_EQ(0, strcmp("h", last_function_hit)); |
| |
| // Clear break points in f and h. Set a new one in the script between |
| // functions f and g and test that there is no break points in f and g any |
| // more. |
| ClearBreakPointFromJS(env->GetIsolate(), sbp2); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp4); |
| int sbp5 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 4, -1); |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Reload the script which should hit two break points. |
| break_point_hit_count = 0; |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ(0, StrLength(last_function_hit)); |
| |
| // Set a break point in the code after the last function decleration. |
| int sbp6 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 12, -1); |
| |
| // Reload the script which should hit three break points. |
| break_point_hit_count = 0; |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| CHECK_EQ(0, StrLength(last_function_hit)); |
| |
| // Clear the last break points, and reload the script which should not hit any |
| // break points. |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp5); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp6); |
| break_point_hit_count = 0; |
| v8::Script::Compile(context, script, &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test top level script break points set on lines. |
| TEST(ScriptBreakPointLineTopLevel) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::String> script = |
| v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " a = 1; // line 1\n" |
| "}\n" |
| "a = 2; // line 3\n"); |
| v8::Local<v8::Function> f; |
| { |
| v8::HandleScope scope(env->GetIsolate()); |
| CompileRunWithOrigin(script, "test.html"); |
| } |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| CcTest::heap()->CollectAllGarbage(); |
| |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1); |
| |
| // Call f and check that there was no break points. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Recompile and run script and check that break point was hit. |
| break_point_hit_count = 0; |
| CompileRunWithOrigin(script, "test.html"); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Call f and check that there are still no break points. |
| break_point_hit_count = 0; |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that it is possible to add and remove break points in a top level |
| // function which has no references but has not been collected yet. |
| TEST(ScriptBreakPointTopLevelCrash) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::String> script_source = v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " return 0;\n" |
| "}\n" |
| "f()"); |
| |
| int sbp1 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1); |
| { |
| v8::HandleScope scope(env->GetIsolate()); |
| break_point_hit_count = 0; |
| CompileRunWithOrigin(script_source, "test.html"); |
| CHECK_EQ(1, break_point_hit_count); |
| } |
| |
| int sbp2 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp2); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that it is possible to remove the last break point for a function |
| // inside the break handling of that break point. |
| TEST(RemoveBreakPointInBreak) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){a=1;}", "foo"); |
| |
| // Register the debug event listener pasing the function |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventRemoveBreakPoint, foo); |
| |
| debug_event_remove_break_point = SetBreakPoint(foo, 0); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that the debugger statement causes a break. |
| TEST(DebuggerStatement) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Context> context = env.context(); |
| v8::Script::Compile(context, |
| v8_str(env->GetIsolate(), "function bar(){debugger}")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Script::Compile( |
| context, v8_str(env->GetIsolate(), "function foo(){debugger;debugger;}")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "foo")) |
| .ToLocalChecked()); |
| v8::Local<v8::Function> bar = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "bar")) |
| .ToLocalChecked()); |
| |
| // Run function with debugger statement |
| bar->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Run function with two debugger statement |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test setting a breakpoint on the debugger statement. |
| TEST(DebuggerStatementBreakpoint) { |
| break_point_hit_count = 0; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Script::Compile(context, |
| v8_str(env->GetIsolate(), "function foo(){debugger;}")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "foo")) |
| .ToLocalChecked()); |
| |
| // The debugger statement triggers breakpoint hit |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| int bp = SetBreakPoint(foo, 0); |
| |
| // Set breakpoint does not duplicate hits |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| ClearBreakPoint(bp); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that the evaluation of expressions when a break point is hit generates |
| // the correct results. |
| TEST(DebugEvaluate) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| // Create a function for checking the evaluation when hitting a break point. |
| evaluate_check_function = CompileFunction(&env, |
| evaluate_check_source, |
| "evaluate_check"); |
| // Register the debug event listener |
| v8::Debug::SetDebugEventListener(isolate, DebugEventEvaluate); |
| |
| // Different expected vaules of x and a when in a break point (u = undefined, |
| // d = Hello, world!). |
| struct EvaluateCheck checks_uu[] = {{"x", v8::Undefined(isolate)}, |
| {"a", v8::Undefined(isolate)}, |
| {NULL, v8::Local<v8::Value>()}}; |
| struct EvaluateCheck checks_hu[] = { |
| {"x", v8_str(env->GetIsolate(), "Hello, world!")}, |
| {"a", v8::Undefined(isolate)}, |
| {NULL, v8::Local<v8::Value>()}}; |
| struct EvaluateCheck checks_hh[] = { |
| {"x", v8_str(env->GetIsolate(), "Hello, world!")}, |
| {"a", v8_str(env->GetIsolate(), "Hello, world!")}, |
| {NULL, v8::Local<v8::Value>()}}; |
| |
| // Simple test function. The "y=0" is in the function foo to provide a break |
| // location. For "y=0" the "y" is at position 15 in the foo function |
| // therefore setting breakpoint at position 15 will break at "y=0" and |
| // setting it higher will break after. |
| v8::Local<v8::Function> foo = CompileFunction(&env, |
| "function foo(x) {" |
| " var a;" |
| " y=0;" // To ensure break location 1. |
| " a=x;" |
| " y=0;" // To ensure break location 2. |
| "}", |
| "foo"); |
| const int foo_break_position_1 = 15; |
| const int foo_break_position_2 = 29; |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Arguments with one parameter "Hello, world!" |
| v8::Local<v8::Value> argv_foo[1] = { |
| v8_str(env->GetIsolate(), "Hello, world!")}; |
| |
| // Call foo with breakpoint set before a=x and undefined as parameter. |
| int bp = SetBreakPoint(foo, foo_break_position_1); |
| checks = checks_uu; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Call foo with breakpoint set before a=x and parameter "Hello, world!". |
| checks = checks_hu; |
| foo->Call(context, env->Global(), 1, argv_foo).ToLocalChecked(); |
| |
| // Call foo with breakpoint set after a=x and parameter "Hello, world!". |
| ClearBreakPoint(bp); |
| SetBreakPoint(foo, foo_break_position_2); |
| checks = checks_hh; |
| foo->Call(context, env->Global(), 1, argv_foo).ToLocalChecked(); |
| |
| // Test that overriding Object.prototype will not interfere into evaluation |
| // on call frame. |
| v8::Local<v8::Function> zoo = |
| CompileFunction(&env, |
| "x = undefined;" |
| "function zoo(t) {" |
| " var a=x;" |
| " Object.prototype.x = 42;" |
| " x=t;" |
| " y=0;" // To ensure break location. |
| " delete Object.prototype.x;" |
| " x=a;" |
| "}", |
| "zoo"); |
| const int zoo_break_position = 50; |
| |
| // Arguments with one parameter "Hello, world!" |
| v8::Local<v8::Value> argv_zoo[1] = { |
| v8_str(env->GetIsolate(), "Hello, world!")}; |
| |
| // Call zoo with breakpoint set at y=0. |
| DebugEventCounterClear(); |
| bp = SetBreakPoint(zoo, zoo_break_position); |
| checks = checks_hu; |
| zoo->Call(context, env->Global(), 1, argv_zoo).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| ClearBreakPoint(bp); |
| |
| // Test function with an inner function. The "y=0" is in function barbar |
| // to provide a break location. For "y=0" the "y" is at position 8 in the |
| // barbar function therefore setting breakpoint at position 8 will break at |
| // "y=0" and setting it higher will break after. |
| v8::Local<v8::Function> bar = CompileFunction(&env, |
| "y = 0;" |
| "x = 'Goodbye, world!';" |
| "function bar(x, b) {" |
| " var a;" |
| " function barbar() {" |
| " y=0; /* To ensure break location.*/" |
| " a=x;" |
| " };" |
| " debug.Debug.clearAllBreakPoints();" |
| " barbar();" |
| " y=0;a=x;" |
| "}", |
| "bar"); |
| const int barbar_break_position = 8; |
| |
| // Call bar setting breakpoint before a=x in barbar and undefined as |
| // parameter. |
| checks = checks_uu; |
| v8::Local<v8::Value> argv_bar_1[2] = { |
| v8::Undefined(isolate), v8::Number::New(isolate, barbar_break_position)}; |
| bar->Call(context, env->Global(), 2, argv_bar_1).ToLocalChecked(); |
| |
| // Call bar setting breakpoint before a=x in barbar and parameter |
| // "Hello, world!". |
| checks = checks_hu; |
| v8::Local<v8::Value> argv_bar_2[2] = { |
| v8_str(env->GetIsolate(), "Hello, world!"), |
| v8::Number::New(env->GetIsolate(), barbar_break_position)}; |
| bar->Call(context, env->Global(), 2, argv_bar_2).ToLocalChecked(); |
| |
| // Call bar setting breakpoint after a=x in barbar and parameter |
| // "Hello, world!". |
| checks = checks_hh; |
| v8::Local<v8::Value> argv_bar_3[2] = { |
| v8_str(env->GetIsolate(), "Hello, world!"), |
| v8::Number::New(env->GetIsolate(), barbar_break_position + 1)}; |
| bar->Call(context, env->Global(), 2, argv_bar_3).ToLocalChecked(); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| int debugEventCount = 0; |
| static void CheckDebugEvent(const v8::Debug::EventDetails& eventDetails) { |
| if (eventDetails.GetEvent() == v8::Break) ++debugEventCount; |
| } |
| |
| |
| // Test that the conditional breakpoints work event if code generation from |
| // strings is prohibited in the debugee context. |
| TEST(ConditionalBreakpointWithCodeGenerationDisallowed) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), CheckDebugEvent); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> foo = CompileFunction(&env, |
| "function foo(x) {\n" |
| " var s = 'String value2';\n" |
| " return s + x;\n" |
| "}", |
| "foo"); |
| |
| // Set conditional breakpoint with condition 'true'. |
| CompileRun("debug.Debug.setBreakPoint(foo, 2, 0, 'true')"); |
| |
| debugEventCount = 0; |
| env->AllowCodeGenerationFromStrings(false); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, debugEventCount); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| bool checkedDebugEvals = true; |
| v8::Local<v8::Function> checkGlobalEvalFunction; |
| v8::Local<v8::Function> checkFrameEvalFunction; |
| static void CheckDebugEval(const v8::Debug::EventDetails& eventDetails) { |
| if (eventDetails.GetEvent() == v8::Break) { |
| ++debugEventCount; |
| v8::HandleScope handleScope(CcTest::isolate()); |
| |
| v8::Local<v8::Value> args[] = {eventDetails.GetExecutionState()}; |
| CHECK( |
| checkGlobalEvalFunction->Call(eventDetails.GetEventContext(), |
| eventDetails.GetEventContext()->Global(), |
| 1, args) |
| .ToLocalChecked() |
| ->IsTrue()); |
| CHECK(checkFrameEvalFunction->Call(eventDetails.GetEventContext(), |
| eventDetails.GetEventContext()->Global(), |
| 1, args) |
| .ToLocalChecked() |
| ->IsTrue()); |
| } |
| } |
| |
| |
| // Test that the evaluation of expressions when a break point is hit generates |
| // the correct results in case code generation from strings is disallowed in the |
| // debugee context. |
| TEST(DebugEvaluateWithCodeGenerationDisallowed) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), CheckDebugEval); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> foo = CompileFunction(&env, |
| "var global = 'Global';\n" |
| "function foo(x) {\n" |
| " var local = 'Local';\n" |
| " debugger;\n" |
| " return local + x;\n" |
| "}", |
| "foo"); |
| checkGlobalEvalFunction = CompileFunction(&env, |
| "function checkGlobalEval(exec_state) {\n" |
| " return exec_state.evaluateGlobal('global').value() === 'Global';\n" |
| "}", |
| "checkGlobalEval"); |
| |
| checkFrameEvalFunction = CompileFunction(&env, |
| "function checkFrameEval(exec_state) {\n" |
| " return exec_state.frame(0).evaluate('local').value() === 'Local';\n" |
| "}", |
| "checkFrameEval"); |
| debugEventCount = 0; |
| env->AllowCodeGenerationFromStrings(false); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, debugEventCount); |
| |
| checkGlobalEvalFunction.Clear(); |
| checkFrameEvalFunction.Clear(); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Copies a C string to a 16-bit string. Does not check for buffer overflow. |
| // Does not use the V8 engine to convert strings, so it can be used |
| // in any thread. Returns the length of the string. |
| int AsciiToUtf16(const char* input_buffer, uint16_t* output_buffer) { |
| int i; |
| for (i = 0; input_buffer[i] != '\0'; ++i) { |
| // ASCII does not use chars > 127, but be careful anyway. |
| output_buffer[i] = static_cast<unsigned char>(input_buffer[i]); |
| } |
| output_buffer[i] = 0; |
| return i; |
| } |
| |
| |
| // Copies a 16-bit string to a C string by dropping the high byte of |
| // each character. Does not check for buffer overflow. |
| // Can be used in any thread. Requires string length as an input. |
| int Utf16ToAscii(const uint16_t* input_buffer, int length, |
| char* output_buffer, int output_len = -1) { |
| if (output_len >= 0) { |
| if (length > output_len - 1) { |
| length = output_len - 1; |
| } |
| } |
| |
| for (int i = 0; i < length; ++i) { |
| output_buffer[i] = static_cast<char>(input_buffer[i]); |
| } |
| output_buffer[length] = '\0'; |
| return length; |
| } |
| |
| |
| // We match parts of the message to get evaluate result int value. |
| bool GetEvaluateStringResult(char *message, char* buffer, int buffer_size) { |
| if (strstr(message, "\"command\":\"evaluate\"") == NULL) { |
| return false; |
| } |
| const char* prefix = "\"text\":\""; |
| char* pos1 = strstr(message, prefix); |
| if (pos1 == NULL) { |
| return false; |
| } |
| pos1 += strlen(prefix); |
| char* pos2 = strchr(pos1, '"'); |
| if (pos2 == NULL) { |
| return false; |
| } |
| Vector<char> buf(buffer, buffer_size); |
| int len = static_cast<int>(pos2 - pos1); |
| if (len > buffer_size - 1) { |
| len = buffer_size - 1; |
| } |
| StrNCpy(buf, pos1, len); |
| buffer[buffer_size - 1] = '\0'; |
| return true; |
| } |
| |
| |
| struct EvaluateResult { |
| static const int kBufferSize = 20; |
| char buffer[kBufferSize]; |
| }; |
| |
| struct DebugProcessDebugMessagesData { |
| static const int kArraySize = 5; |
| int counter; |
| EvaluateResult results[kArraySize]; |
| |
| void reset() { |
| counter = 0; |
| } |
| EvaluateResult* current() { |
| return &results[counter % kArraySize]; |
| } |
| void next() { |
| counter++; |
| } |
| }; |
| |
| DebugProcessDebugMessagesData process_debug_messages_data; |
| |
| static void DebugProcessDebugMessagesHandler( |
| const v8::Debug::Message& message) { |
| v8::Local<v8::String> json = message.GetJSON(); |
| v8::String::Utf8Value utf8(json); |
| EvaluateResult* array_item = process_debug_messages_data.current(); |
| |
| bool res = GetEvaluateStringResult(*utf8, |
| array_item->buffer, |
| EvaluateResult::kBufferSize); |
| if (res) { |
| process_debug_messages_data.next(); |
| } |
| } |
| |
| |
| // Test that the evaluation of expressions works even from ProcessDebugMessages |
| // i.e. with empty stack. |
| TEST(DebugEvaluateWithoutStack) { |
| DebugLocalContext env; |
| v8::Debug::SetMessageHandler(env->GetIsolate(), |
| DebugProcessDebugMessagesHandler); |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| const char* source = |
| "var v1 = 'Pinguin';\n function getAnimal() { return 'Capy' + 'bara'; }"; |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| v8::Debug::ProcessDebugMessages(env->GetIsolate()); |
| |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| |
| const char* command_111 = "{\"seq\":111," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{" |
| " \"global\":true," |
| " \"expression\":\"v1\",\"disable_break\":true" |
| "}}"; |
| |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_111, buffer)); |
| |
| const char* command_112 = "{\"seq\":112," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{" |
| " \"global\":true," |
| " \"expression\":\"getAnimal()\",\"disable_break\":true" |
| "}}"; |
| |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_112, buffer)); |
| |
| const char* command_113 = "{\"seq\":113," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{" |
| " \"global\":true," |
| " \"expression\":\"239 + 566\",\"disable_break\":true" |
| "}}"; |
| |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_113, buffer)); |
| |
| v8::Debug::ProcessDebugMessages(isolate); |
| |
| CHECK_EQ(3, process_debug_messages_data.counter); |
| |
| CHECK_EQ(strcmp("Pinguin", process_debug_messages_data.results[0].buffer), 0); |
| CHECK_EQ(strcmp("Capybara", process_debug_messages_data.results[1].buffer), |
| 0); |
| CHECK_EQ(strcmp("805", process_debug_messages_data.results[2].buffer), 0); |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Simple test of the stepping mechanism using only store ICs. |
| TEST(DebugStepLinear) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = CompileFunction(&env, |
| "function foo(){a=1;b=1;c=1;}", |
| "foo"); |
| |
| // Run foo to allow it to get optimized. |
| CompileRun("a=0; b=0; c=0; foo();"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| SetBreakPoint(foo, 3); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Context> context = env.context(); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(4, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| SetBreakPoint(foo, 3); |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test of the stepping mechanism for keyed load in a loop. |
| TEST(DebugStepKeyedLoadLoop) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| // Create a function for testing stepping of keyed load. The statement 'y=1' |
| // is there to have more than one breakable statement in the loop, TODO(315). |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function foo(a) {\n" |
| " var x;\n" |
| " var len = a.length;\n" |
| " for (var i = 0; i < len; i++) {\n" |
| " y = 1;\n" |
| " x = a[i];\n" |
| " }\n" |
| "}\n" |
| "y=0\n", |
| "foo"); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create array [0,1,2,3,4,5,6,7,8,9] |
| v8::Local<v8::Array> a = v8::Array::New(env->GetIsolate(), 10); |
| for (int i = 0; i < 10; i++) { |
| CHECK(a->Set(context, v8::Number::New(env->GetIsolate(), i), |
| v8::Number::New(env->GetIsolate(), i)) |
| .FromJust()); |
| } |
| |
| // Call function without any break points to ensure inlining is in place. |
| const int kArgc = 1; |
| v8::Local<v8::Value> args[kArgc] = {a}; |
| foo->Call(context, env->Global(), kArgc, args).ToLocalChecked(); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), kArgc, args).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(44, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test of the stepping mechanism for keyed store in a loop. |
| TEST(DebugStepKeyedStoreLoop) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| // Create a function for testing stepping of keyed store. The statement 'y=1' |
| // is there to have more than one breakable statement in the loop, TODO(315). |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function foo(a) {\n" |
| " var len = a.length;\n" |
| " for (var i = 0; i < len; i++) {\n" |
| " y = 1;\n" |
| " a[i] = 42;\n" |
| " }\n" |
| "}\n" |
| "y=0\n", |
| "foo"); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create array [0,1,2,3,4,5,6,7,8,9] |
| v8::Local<v8::Array> a = v8::Array::New(env->GetIsolate(), 10); |
| for (int i = 0; i < 10; i++) { |
| CHECK(a->Set(context, v8::Number::New(env->GetIsolate(), i), |
| v8::Number::New(env->GetIsolate(), i)) |
| .FromJust()); |
| } |
| |
| // Call function without any break points to ensure inlining is in place. |
| const int kArgc = 1; |
| v8::Local<v8::Value> args[kArgc] = {a}; |
| foo->Call(context, env->Global(), kArgc, args).ToLocalChecked(); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), kArgc, args).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(44, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test of the stepping mechanism for named load in a loop. |
| TEST(DebugStepNamedLoadLoop) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping of named load. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function foo() {\n" |
| " var a = [];\n" |
| " var s = \"\";\n" |
| " for (var i = 0; i < 10; i++) {\n" |
| " var v = new V(i, i + 1);\n" |
| " v.y;\n" |
| " a.length;\n" // Special case: array length. |
| " s.length;\n" // Special case: string length. |
| " }\n" |
| "}\n" |
| "function V(x, y) {\n" |
| " this.x = x;\n" |
| " this.y = y;\n" |
| "}\n", |
| "foo"); |
| |
| // Call function without any break points to ensure inlining is in place. |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 4); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(65, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| static void DoDebugStepNamedStoreLoop(int expected) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| // Create a function for testing stepping of named store. |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function foo() {\n" |
| " var a = {a:1};\n" |
| " for (var i = 0; i < 10; i++) {\n" |
| " a.a = 2\n" |
| " }\n" |
| "}\n", |
| "foo"); |
| |
| // Call function without any break points to ensure inlining is in place. |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all expected break locations are hit. |
| CHECK_EQ(expected, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test of the stepping mechanism for named load in a loop. |
| TEST(DebugStepNamedStoreLoop) { DoDebugStepNamedStoreLoop(34); } |
| |
| // Test the stepping mechanism with different ICs. |
| TEST(DebugStepLinearMixedICs) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = CompileFunction(&env, |
| "function bar() {};" |
| "function foo() {" |
| " var x;" |
| " var index='name';" |
| " var y = {};" |
| " a=1;b=2;x=a;y[index]=3;x=y[index];bar();}", "foo"); |
| |
| // Run functions to allow them to get optimized. |
| CompileRun("a=0; b=0; bar(); foo();"); |
| |
| SetBreakPoint(foo, 0); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(10, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| SetBreakPoint(foo, 0); |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugStepDeclarations) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function foo() { " |
| " var a;" |
| " var b = 1;" |
| " var c = foo;" |
| " var d = Math.floor;" |
| " var e = b + d(1.2);" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| |
| SetBreakPoint(foo, 0); |
| |
| // Stepping through the declarations. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugStepLocals) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function foo() { " |
| " var a,b;" |
| " a = 1;" |
| " b = a + 2;" |
| " b = 1 + 2 + 3;" |
| " a = Math.floor(b);" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| |
| SetBreakPoint(foo, 0); |
| |
| // Stepping through the declarations. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugStepIf) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " a = 1;" |
| " if (x) {" |
| " b = 1;" |
| " } else {" |
| " c = 1;" |
| " d = 1;" |
| " }" |
| "}" |
| "a=0; b=0; c=0; d=0; foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| SetBreakPoint(foo, 0); |
| |
| // Stepping through the true part. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_true[argc] = {v8::True(isolate)}; |
| foo->Call(context, env->Global(), argc, argv_true).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Stepping through the false part. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_false[argc] = {v8::False(isolate)}; |
| foo->Call(context, env->Global(), argc, argv_false).ToLocalChecked(); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepSwitch) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " a = 1;" |
| " switch (x) {" |
| " case 1:" |
| " b = 1;" |
| " case 2:" |
| " c = 1;" |
| " break;" |
| " case 3:" |
| " d = 1;" |
| " e = 1;" |
| " f = 1;" |
| " break;" |
| " }" |
| "}" |
| "a=0; b=0; c=0; d=0; e=0; f=0; foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| SetBreakPoint(foo, 0); |
| |
| // One case with fall-through. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_1[argc] = {v8::Number::New(isolate, 1)}; |
| foo->Call(context, env->Global(), argc, argv_1).ToLocalChecked(); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Another case. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_2[argc] = {v8::Number::New(isolate, 2)}; |
| foo->Call(context, env->Global(), argc, argv_2).ToLocalChecked(); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Last case. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_3[argc] = {v8::Number::New(isolate, 3)}; |
| foo->Call(context, env->Global(), argc, argv_3).ToLocalChecked(); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepWhile) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " var a = 0;" |
| " while (a < x) {" |
| " a++;" |
| " }" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| SetBreakPoint(foo, 8); // "var a = 0;" |
| |
| // Looping 0 times. We still should break at the while-condition once. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_0[argc] = {v8::Number::New(isolate, 0)}; |
| foo->Call(context, env->Global(), argc, argv_0).ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| |
| // Looping 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_10[argc] = {v8::Number::New(isolate, 10)}; |
| foo->Call(context, env->Global(), argc, argv_10).ToLocalChecked(); |
| CHECK_EQ(23, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_100[argc] = {v8::Number::New(isolate, 100)}; |
| foo->Call(context, env->Global(), argc, argv_100).ToLocalChecked(); |
| CHECK_EQ(203, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepDoWhile) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " var a = 0;" |
| " do {" |
| " a++;" |
| " } while (a < x)" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| SetBreakPoint(foo, 8); // "var a = 0;" |
| |
| // Looping 0 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_0[argc] = {v8::Number::New(isolate, 0)}; |
| foo->Call(context, env->Global(), argc, argv_0).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Looping 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_10[argc] = {v8::Number::New(isolate, 10)}; |
| foo->Call(context, env->Global(), argc, argv_10).ToLocalChecked(); |
| CHECK_EQ(22, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_100[argc] = {v8::Number::New(isolate, 100)}; |
| foo->Call(context, env->Global(), argc, argv_100).ToLocalChecked(); |
| CHECK_EQ(202, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepFor) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " a = 1;" |
| " for (i = 0; i < x; i++) {" |
| " b = 1;" |
| " }" |
| "}" |
| "a=0; b=0; i=0; foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| |
| SetBreakPoint(foo, 8); // "a = 1;" |
| |
| // Looping 0 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_0[argc] = {v8::Number::New(isolate, 0)}; |
| foo->Call(context, env->Global(), argc, argv_0).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Looping 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_10[argc] = {v8::Number::New(isolate, 10)}; |
| foo->Call(context, env->Global(), argc, argv_10).ToLocalChecked(); |
| CHECK_EQ(34, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_100[argc] = {v8::Number::New(isolate, 100)}; |
| foo->Call(context, env->Global(), argc, argv_100).ToLocalChecked(); |
| CHECK_EQ(304, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepForContinue) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " var a = 0;" |
| " var b = 0;" |
| " var c = 0;" |
| " for (var i = 0; i < x; i++) {" |
| " a++;" |
| " if (a % 2 == 0) continue;" |
| " b++;" |
| " c++;" |
| " }" |
| " return b;" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| v8::Local<v8::Value> result; |
| SetBreakPoint(foo, 8); // "var a = 0;" |
| |
| // Each loop generates 4 or 5 steps depending on whether a is equal. |
| |
| // Looping 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_10[argc] = {v8::Number::New(isolate, 10)}; |
| result = foo->Call(context, env->Global(), argc, argv_10).ToLocalChecked(); |
| CHECK_EQ(5, result->Int32Value(context).FromJust()); |
| CHECK_EQ(62, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_100[argc] = {v8::Number::New(isolate, 100)}; |
| result = foo->Call(context, env->Global(), argc, argv_100).ToLocalChecked(); |
| CHECK_EQ(50, result->Int32Value(context).FromJust()); |
| CHECK_EQ(557, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepForBreak) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " var a = 0;" |
| " var b = 0;" |
| " var c = 0;" |
| " for (var i = 0; i < 1000; i++) {" |
| " a++;" |
| " if (a == x) break;" |
| " b++;" |
| " c++;" |
| " }" |
| " return b;" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| v8::Local<v8::Value> result; |
| SetBreakPoint(foo, 8); // "var a = 0;" |
| |
| // Each loop generates 5 steps except for the last (when break is executed) |
| // which only generates 4. |
| |
| // Looping 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_10[argc] = {v8::Number::New(isolate, 10)}; |
| result = foo->Call(context, env->Global(), argc, argv_10).ToLocalChecked(); |
| CHECK_EQ(9, result->Int32Value(context).FromJust()); |
| CHECK_EQ(64, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Local<v8::Value> argv_100[argc] = {v8::Number::New(isolate, 100)}; |
| result = foo->Call(context, env->Global(), argc, argv_100).ToLocalChecked(); |
| CHECK_EQ(99, result->Int32Value(context).FromJust()); |
| CHECK_EQ(604, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugStepForIn) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| v8::Local<v8::Function> foo; |
| const char* src_1 = "function foo() { " |
| " var a = [1, 2];" |
| " for (x in a) {" |
| " b = 0;" |
| " }" |
| "}" |
| "foo()"; |
| foo = CompileFunction(&env, src_1, "foo"); |
| SetBreakPoint(foo, 0); // "var a = ..." |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src_2 = "function foo() { " |
| " var a = {a:[1, 2, 3]};" |
| " for (x in a.a) {" |
| " b = 0;" |
| " }" |
| "}" |
| "foo()"; |
| foo = CompileFunction(&env, src_2, "foo"); |
| SetBreakPoint(foo, 0); // "var a = ..." |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(10, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugStepWith) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function foo(x) { " |
| " var a = {};" |
| " with (a) {}" |
| " with (b) {}" |
| "}" |
| "foo()"; |
| CHECK(env->Global() |
| ->Set(context, v8_str(env->GetIsolate(), "b"), |
| v8::Object::New(env->GetIsolate())) |
| .FromJust()); |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| v8::Local<v8::Value> result; |
| SetBreakPoint(foo, 8); // "var a = {};" |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugConditional) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = |
| "function foo(x) { " |
| " return x ? 1 : 2;" |
| "}" |
| "foo()"; |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| SetBreakPoint(foo, 0); // "var a;" |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| const int argc = 1; |
| v8::Local<v8::Value> argv_true[argc] = {v8::True(isolate)}; |
| foo->Call(context, env->Global(), argc, argv_true).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(StepInOutSimple) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStepSequence); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function a() {b();c();}; " |
| "function b() {c();}; " |
| "function c() {}; " |
| "a(); b(); c()"; |
| v8::Local<v8::Function> a = CompileFunction(&env, src, "a"); |
| SetBreakPoint(a, 0); |
| |
| // Step through invocation of a with step in. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "abcbaca"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of a with step next. |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| expected_step_sequence = "aaa"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of a with step out. |
| step_action = StepOut; |
| break_point_hit_count = 0; |
| expected_step_sequence = "a"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(StepInOutTree) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStepSequence); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function a() {b(c(d()),d());c(d());d()}; " |
| "function b(x,y) {c();}; " |
| "function c(x) {}; " |
| "function d() {}; " |
| "a(); b(); c(); d()"; |
| v8::Local<v8::Function> a = CompileFunction(&env, src, "a"); |
| SetBreakPoint(a, 0); |
| |
| // Step through invocation of a with step in. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "adacadabcbadacada"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of a with step next. |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| expected_step_sequence = "aaaa"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of a with step out. |
| step_action = StepOut; |
| break_point_hit_count = 0; |
| expected_step_sequence = "a"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate(), true); |
| } |
| |
| |
| TEST(StepInOutBranch) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStepSequence); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function a() {b(false);c();}; " |
| "function b(x) {if(x){c();};}; " |
| "function c() {}; " |
| "a(); b(); c()"; |
| v8::Local<v8::Function> a = CompileFunction(&env, src, "a"); |
| SetBreakPoint(a, 0); |
| |
| // Step through invocation of a. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "abbaca"; |
| a->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that step in does not step into native functions. |
| TEST(DebugStepNatives) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function foo(){debugger;Math.sin(1);}", |
| "foo"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that step in works with function.apply. |
| TEST(DebugStepFunctionApply) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function bar(x, y, z) { if (x == 1) { a = y; b = z; } }" |
| "function foo(){ debugger; bar.apply(this, [1,2,3]); }", |
| "foo"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStep); |
| |
| v8::Local<v8::Context> context = env.context(); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(7, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only the debugger statement is hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| // Test that step in works with function.call. |
| TEST(DebugStepFunctionCall) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function bar(x, y, z) { if (x == 1) { a = y; b = z; } }" |
| "function foo(a){ debugger;" |
| " if (a) {" |
| " bar.call(this, 1, 2, 3);" |
| " } else {" |
| " bar.call(this, 0);" |
| " }" |
| "}", |
| "foo"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| step_action = StepIn; |
| |
| // Check stepping where the if condition in bar is false. |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Check stepping where the if condition in bar is true. |
| break_point_hit_count = 0; |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = {v8::True(isolate)}; |
| foo->Call(context, env->Global(), argc, argv).ToLocalChecked(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only the debugger statement is hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| // Test that step in works with Function.call.apply. |
| TEST(DebugStepFunctionCallApply) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, |
| "function bar() { }" |
| "function foo(){ debugger;" |
| " Function.call.apply(bar);" |
| " Function.call.apply(Function.call, " |
| "[Function.call, bar]);" |
| "}", |
| "foo"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventStep); |
| step_action = StepIn; |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Without stepping only the debugger statement is hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| // Tests that breakpoint will be hit if it's set in script. |
| TEST(PauseInScript) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| // Register a debug event listener which counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a script that returns a function. |
| const char* src = "(function (evt) {})"; |
| const char* script_name = "StepInHandlerTest"; |
| |
| // Set breakpoint in the script. |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), script_name, 0, -1); |
| break_point_hit_count = 0; |
| |
| v8::ScriptOrigin origin(v8_str(env->GetIsolate(), script_name), |
| v8::Integer::New(env->GetIsolate(), 0)); |
| v8::Local<v8::Script> script = |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), src), &origin) |
| .ToLocalChecked(); |
| v8::Local<v8::Value> r = script->Run(context).ToLocalChecked(); |
| |
| CHECK(r->IsFunction()); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| static void DebugEventCounterCheck(int caught, int uncaught, int message) { |
| CHECK_EQ(caught, exception_hit_count); |
| CHECK_EQ(uncaught, uncaught_exception_hit_count); |
| CHECK_EQ(message, message_callback_count); |
| } |
| |
| |
| // Test break on exceptions. For each exception break combination the number |
| // of debug event exception callbacks and message callbacks are collected. The |
| // number of debug event exception callbacks are used to check that the |
| // debugger is called correctly and the number of message callbacks is used to |
| // check that uncaught exceptions are still returned even if there is a break |
| // for them. |
| TEST(BreakOnException) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create functions for testing break on exception. |
| CompileFunction(&env, "function throws(){throw 1;}", "throws"); |
| v8::Local<v8::Function> caught = |
| CompileFunction(&env, |
| "function caught(){try {throws();} catch(e) {};}", |
| "caught"); |
| v8::Local<v8::Function> notCaught = |
| CompileFunction(&env, "function notCaught(){throws();}", "notCaught"); |
| v8::Local<v8::Function> notCaughtFinally = CompileFunction( |
| &env, "function notCaughtFinally(){try{throws();}finally{}}", |
| "notCaughtFinally"); |
| // In this edge case, even though this finally does not propagate the |
| // exception, the debugger considers this uncaught, since we want to break |
| // at the first throw for the general case where finally implicitly rethrows. |
| v8::Local<v8::Function> edgeCaseFinally = CompileFunction( |
| &env, "function caughtFinally(){L:try{throws();}finally{break L;}}", |
| "caughtFinally"); |
| |
| env->GetIsolate()->AddMessageListener(MessageCallbackCount); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| |
| // Initial state should be no break on exceptions. |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 2); |
| |
| // No break on exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(false, false); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 2); |
| |
| // Break on uncaught exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(false, true); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(1, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(3, 3, 2); |
| |
| // Break on exception and uncaught exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(true, true); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(1, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(3, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(4, 3, 2); |
| |
| // Break on exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(true, false); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(1, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(3, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(4, 3, 2); |
| |
| // No break on exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, false); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(0, 0, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 2); |
| |
| // Break on uncaught exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, true); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(0, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(1, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(3, 3, 2); |
| |
| // Break on exception and uncaught exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, true); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(1, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(3, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(4, 3, 2); |
| |
| // Break on exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, false); |
| caught->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(1, 0, 0); |
| CHECK(notCaught->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(2, 1, 1); |
| CHECK(notCaughtFinally->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| DebugEventCounterCheck(3, 2, 2); |
| edgeCaseFinally->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| DebugEventCounterCheck(4, 3, 2); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| env->GetIsolate()->RemoveMessageListeners(MessageCallbackCount); |
| } |
| |
| |
| static void try_finally_original_message(v8::Local<v8::Message> message, |
| v8::Local<v8::Value> data) { |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| CHECK_EQ(2, message->GetLineNumber(context).FromJust()); |
| CHECK_EQ(2, message->GetStartColumn(context).FromJust()); |
| message_callback_count++; |
| } |
| |
| |
| TEST(TryFinallyOriginalMessage) { |
| // Test that the debugger plays nicely with the pending message. |
| message_callback_count = 0; |
| DebugEventCounterClear(); |
| DebugLocalContext env; |
| v8::Isolate* isolate = CcTest::isolate(); |
| isolate->AddMessageListener(try_finally_original_message); |
| v8::Debug::SetDebugEventListener(isolate, DebugEventCounter); |
| ChangeBreakOnException(true, true); |
| v8::HandleScope scope(isolate); |
| CompileRun( |
| "try {\n" |
| " throw 1;\n" |
| "} finally {\n" |
| "}\n"); |
| DebugEventCounterCheck(1, 1, 1); |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| isolate->RemoveMessageListeners(try_finally_original_message); |
| } |
| |
| |
| TEST(EvalJSInDebugEventListenerOnNativeReThrownException) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| // Create functions for testing break on exception. |
| v8::Local<v8::Function> noThrowJS = CompileFunction( |
| &env, "function noThrowJS(){var a=[1]; a.push(2); return a.length;}", |
| "noThrowJS"); |
| |
| debug_event_listener_callback = noThrowJS; |
| debug_event_listener_callback_result = 2; |
| |
| env->GetIsolate()->AddMessageListener(MessageCallbackCount); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| // Break on uncaught exception |
| ChangeBreakOnException(false, true); |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| |
| // ReThrow native error |
| { |
| v8::TryCatch tryCatch(env->GetIsolate()); |
| env->GetIsolate()->ThrowException( |
| v8::Exception::TypeError(v8_str(env->GetIsolate(), "Type error"))); |
| CHECK(tryCatch.HasCaught()); |
| tryCatch.ReThrow(); |
| } |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); // FIXME: Should it be 1 ? |
| CHECK(!debug_event_listener_callback.IsEmpty()); |
| |
| debug_event_listener_callback.Clear(); |
| } |
| |
| |
| // Test break on exception from compiler errors. When compiling using |
| // v8::Script::Compile there is no JavaScript stack whereas when compiling using |
| // eval there are JavaScript frames. |
| TEST(BreakOnCompileException) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // For this test, we want to break on uncaught exceptions: |
| ChangeBreakOnException(false, true); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_count = CompileFunction(&env, frame_count_source, "frame_count"); |
| |
| env->GetIsolate()->AddMessageListener(MessageCallbackCount); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| |
| // Check initial state. |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| CHECK_EQ(-1, last_js_stack_height); |
| |
| // Throws SyntaxError: Unexpected end of input |
| CHECK( |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), "+++")).IsEmpty()); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| CHECK_EQ(0, last_js_stack_height); // No JavaScript stack. |
| |
| // Throws SyntaxError: Unexpected identifier |
| CHECK( |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), "x x")).IsEmpty()); |
| CHECK_EQ(2, exception_hit_count); |
| CHECK_EQ(2, uncaught_exception_hit_count); |
| CHECK_EQ(2, message_callback_count); |
| CHECK_EQ(0, last_js_stack_height); // No JavaScript stack. |
| |
| // Throws SyntaxError: Unexpected end of input |
| CHECK(v8::Script::Compile(context, v8_str(env->GetIsolate(), "eval('+++')")) |
| .ToLocalChecked() |
| ->Run(context) |
| .IsEmpty()); |
| CHECK_EQ(3, exception_hit_count); |
| CHECK_EQ(3, uncaught_exception_hit_count); |
| CHECK_EQ(3, message_callback_count); |
| CHECK_EQ(1, last_js_stack_height); |
| |
| // Throws SyntaxError: Unexpected identifier |
| CHECK(v8::Script::Compile(context, v8_str(env->GetIsolate(), "eval('x x')")) |
| .ToLocalChecked() |
| ->Run(context) |
| .IsEmpty()); |
| CHECK_EQ(4, exception_hit_count); |
| CHECK_EQ(4, uncaught_exception_hit_count); |
| CHECK_EQ(4, message_callback_count); |
| CHECK_EQ(1, last_js_stack_height); |
| } |
| |
| |
| TEST(StepWithException) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // For this test, we want to break on uncaught exceptions: |
| ChangeBreakOnException(false, true); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStepSequence); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create functions for testing stepping. |
| const char* src = "function a() { n(); }; " |
| "function b() { c(); }; " |
| "function c() { n(); }; " |
| "function d() { x = 1; try { e(); } catch(x) { x = 2; } }; " |
| "function e() { n(); }; " |
| "function f() { x = 1; try { g(); } catch(x) { x = 2; } }; " |
| "function g() { h(); }; " |
| "function h() { x = 1; throw 1; }; "; |
| |
| // Step through invocation of a. |
| ClearStepping(); |
| v8::Local<v8::Function> a = CompileFunction(&env, src, "a"); |
| SetBreakPoint(a, 0); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "aa"; |
| CHECK(a->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of b + c. |
| ClearStepping(); |
| v8::Local<v8::Function> b = CompileFunction(&env, src, "b"); |
| SetBreakPoint(b, 0); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "bcc"; |
| CHECK(b->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of d + e. |
| ClearStepping(); |
| v8::Local<v8::Function> d = CompileFunction(&env, src, "d"); |
| SetBreakPoint(d, 0); |
| ChangeBreakOnException(false, true); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "ddedd"; |
| d->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of d + e now with break on caught exceptions. |
| ChangeBreakOnException(true, true); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "ddeedd"; |
| d->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of f + g + h. |
| ClearStepping(); |
| v8::Local<v8::Function> f = CompileFunction(&env, src, "f"); |
| SetBreakPoint(f, 0); |
| ChangeBreakOnException(false, true); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "ffghhff"; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of f + g + h now with break on caught exceptions. |
| ChangeBreakOnException(true, true); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "ffghhhff"; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugBreak) { |
| i::FLAG_stress_compaction = false; |
| #ifdef VERIFY_HEAP |
| i::FLAG_verify_heap = true; |
| #endif |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventBreak); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. |
| const char* src = "function f0() {}" |
| "function f1(x1) {}" |
| "function f2(x1,x2) {}" |
| "function f3(x1,x2,x3) {}"; |
| v8::Local<v8::Function> f0 = CompileFunction(&env, src, "f0"); |
| v8::Local<v8::Function> f1 = CompileFunction(&env, src, "f1"); |
| v8::Local<v8::Function> f2 = CompileFunction(&env, src, "f2"); |
| v8::Local<v8::Function> f3 = CompileFunction(&env, src, "f3"); |
| |
| // Call the function to make sure it is compiled. |
| v8::Local<v8::Value> argv[] = { |
| v8::Number::New(isolate, 1), v8::Number::New(isolate, 1), |
| v8::Number::New(isolate, 1), v8::Number::New(isolate, 1)}; |
| |
| // Call all functions to make sure that they are compiled. |
| f0->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| f1->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| f2->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| f3->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| CHECK(v8::Debug::CheckDebugBreak(env->GetIsolate())); |
| |
| // Call all functions with different argument count. |
| break_point_hit_count = 0; |
| for (unsigned int i = 0; i < arraysize(argv); i++) { |
| f0->Call(context, env->Global(), i, argv).ToLocalChecked(); |
| f1->Call(context, env->Global(), i, argv).ToLocalChecked(); |
| f2->Call(context, env->Global(), i, argv).ToLocalChecked(); |
| f3->Call(context, env->Global(), i, argv).ToLocalChecked(); |
| } |
| |
| // One break for each function called. |
| CHECK(4 * arraysize(argv) == break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| // Test to ensure that JavaScript code keeps running while the debug break |
| // through the stack limit flag is set but breaks are disabled. |
| TEST(DisableBreak) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for testing stepping. |
| const char* src = "function f() {g()};function g(){i=0; while(i<10){i++}}"; |
| v8::Local<v8::Function> f = CompileFunction(&env, src, "f"); |
| |
| // Set, test and cancel debug break. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| CHECK(v8::Debug::CheckDebugBreak(env->GetIsolate())); |
| v8::Debug::CancelDebugBreak(env->GetIsolate()); |
| CHECK(!v8::Debug::CheckDebugBreak(env->GetIsolate())); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| |
| // Call all functions with different argument count. |
| break_point_hit_count = 0; |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| { |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(env->GetIsolate()); |
| v8::internal::DisableBreak disable_break(isolate->debug(), true); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| } |
| |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| TEST(DisableDebuggerStatement) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter); |
| CompileRun("debugger;"); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Check that we ignore debugger statement when breakpoints aren't active. |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(env->GetIsolate()); |
| isolate->debug()->set_break_points_active(false); |
| CompileRun("debugger;"); |
| CHECK_EQ(1, break_point_hit_count); |
| } |
| |
| static const char* kSimpleExtensionSource = |
| "(function Foo() {" |
| " return 4;" |
| "})() "; |
| |
| // http://crbug.com/28933 |
| // Test that debug break is disabled when bootstrapper is active. |
| TEST(NoBreakWhenBootstrapping) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(isolate, DebugEventCounter); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(isolate); |
| break_point_hit_count = 0; |
| { |
| // Create a context with an extension to make sure that some JavaScript |
| // code is executed during bootstrapping. |
| v8::RegisterExtension(new v8::Extension("simpletest", |
| kSimpleExtensionSource)); |
| const char* extension_names[] = { "simpletest" }; |
| v8::ExtensionConfiguration extensions(1, extension_names); |
| v8::HandleScope handle_scope(isolate); |
| v8::Context::New(isolate, &extensions); |
| } |
| // Check that no DebugBreak events occured during the context creation. |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| static void NamedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) { |
| v8::Local<v8::Array> result = v8::Array::New(info.GetIsolate(), 3); |
| v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| CHECK(result->Set(context, v8::Integer::New(info.GetIsolate(), 0), |
| v8_str(info.GetIsolate(), "a")) |
| .FromJust()); |
| CHECK(result->Set(context, v8::Integer::New(info.GetIsolate(), 1), |
| v8_str(info.GetIsolate(), "b")) |
| .FromJust()); |
| CHECK(result->Set(context, v8::Integer::New(info.GetIsolate(), 2), |
| v8_str(info.GetIsolate(), "c")) |
| .FromJust()); |
| info.GetReturnValue().Set(result); |
| } |
| |
| |
| static void IndexedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) { |
| v8::Isolate* isolate = info.GetIsolate(); |
| v8::Local<v8::Array> result = v8::Array::New(isolate, 2); |
| v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| CHECK(result->Set(context, v8::Integer::New(isolate, 0), |
| v8::Number::New(isolate, 1)) |
| .FromJust()); |
| CHECK(result->Set(context, v8::Integer::New(isolate, 1), |
| v8::Number::New(isolate, 10)) |
| .FromJust()); |
| info.GetReturnValue().Set(result); |
| } |
| |
| |
| static void NamedGetter(v8::Local<v8::Name> name, |
| const v8::PropertyCallbackInfo<v8::Value>& info) { |
| if (name->IsSymbol()) return; |
| v8::String::Utf8Value n(v8::Local<v8::String>::Cast(name)); |
| if (strcmp(*n, "a") == 0) { |
| info.GetReturnValue().Set(v8_str(info.GetIsolate(), "AA")); |
| return; |
| } else if (strcmp(*n, "b") == 0) { |
| info.GetReturnValue().Set(v8_str(info.GetIsolate(), "BB")); |
| return; |
| } else if (strcmp(*n, "c") == 0) { |
| info.GetReturnValue().Set(v8_str(info.GetIsolate(), "CC")); |
| return; |
| } else { |
| info.GetReturnValue().SetUndefined(); |
| return; |
| } |
| info.GetReturnValue().Set(name); |
| } |
| |
| |
| static void IndexedGetter(uint32_t index, |
| const v8::PropertyCallbackInfo<v8::Value>& info) { |
| info.GetReturnValue().Set(static_cast<double>(index + 1)); |
| } |
| |
| |
| TEST(InterceptorPropertyMirror) { |
| // Create a V8 environment with debug access. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create object with named interceptor. |
| v8::Local<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate); |
| named->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| NamedGetter, NULL, NULL, NULL, NamedEnum)); |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "intercepted_named"), |
| named->NewInstance(context).ToLocalChecked()) |
| .FromJust()); |
| |
| // Create object with indexed interceptor. |
| v8::Local<v8::ObjectTemplate> indexed = v8::ObjectTemplate::New(isolate); |
| indexed->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| IndexedGetter, NULL, NULL, NULL, IndexedEnum)); |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "intercepted_indexed"), |
| indexed->NewInstance(context).ToLocalChecked()) |
| .FromJust()); |
| |
| // Create object with both named and indexed interceptor. |
| v8::Local<v8::ObjectTemplate> both = v8::ObjectTemplate::New(isolate); |
| both->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| NamedGetter, NULL, NULL, NULL, NamedEnum)); |
| both->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| IndexedGetter, NULL, NULL, NULL, IndexedEnum)); |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "intercepted_both"), |
| both->NewInstance(context).ToLocalChecked()) |
| .FromJust()); |
| |
| // Get mirrors for the three objects with interceptor. |
| CompileRun( |
| "var named_mirror = debug.MakeMirror(intercepted_named);" |
| "var indexed_mirror = debug.MakeMirror(intercepted_indexed);" |
| "var both_mirror = debug.MakeMirror(intercepted_both)"); |
| CHECK(CompileRun("named_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("indexed_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("both_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| // Get the property names from the interceptors |
| CompileRun( |
| "named_names = named_mirror.propertyNames();" |
| "indexed_names = indexed_mirror.propertyNames();" |
| "both_names = both_mirror.propertyNames()"); |
| CHECK_EQ(3, CompileRun("named_names.length")->Int32Value(context).FromJust()); |
| CHECK_EQ(2, |
| CompileRun("indexed_names.length")->Int32Value(context).FromJust()); |
| CHECK_EQ(5, CompileRun("both_names.length")->Int32Value(context).FromJust()); |
| |
| // Check the expected number of properties. |
| const char* source; |
| source = "named_mirror.properties().length"; |
| CHECK_EQ(3, CompileRun(source)->Int32Value(context).FromJust()); |
| |
| source = "indexed_mirror.properties().length"; |
| CHECK_EQ(2, CompileRun(source)->Int32Value(context).FromJust()); |
| |
| source = "both_mirror.properties().length"; |
| CHECK_EQ(5, CompileRun(source)->Int32Value(context).FromJust()); |
| |
| // Get the interceptor properties for the object with only named interceptor. |
| CompileRun("var named_values = named_mirror.properties()"); |
| |
| // Check that the properties are interceptor properties. |
| for (int i = 0; i < 3; i++) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "named_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue(context).FromJust()); |
| |
| SNPrintF(buffer, "named_values[%d].isNative()", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue(context).FromJust()); |
| } |
| |
| // Get the interceptor properties for the object with only indexed |
| // interceptor. |
| CompileRun("var indexed_values = indexed_mirror.properties()"); |
| |
| // Check that the properties are interceptor properties. |
| for (int i = 0; i < 2; i++) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, |
| "indexed_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue(context).FromJust()); |
| } |
| |
| // Get the interceptor properties for the object with both types of |
| // interceptors. |
| CompileRun("var both_values = both_mirror.properties()"); |
| |
| // Check that the properties are interceptor properties. |
| for (int i = 0; i < 5; i++) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| SNPrintF(buffer, "both_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue(context).FromJust()); |
| } |
| |
| // Check the property names. |
| source = "both_values[0].name() == '1'"; |
| CHECK(CompileRun(source)->BooleanValue(context).FromJust()); |
| |
| source = "both_values[1].name() == '10'"; |
| CHECK(CompileRun(source)->BooleanValue(context).FromJust()); |
| |
| source = "both_values[2].name() == 'a'"; |
| CHECK(CompileRun(source)->BooleanValue(context).FromJust()); |
| |
| source = "both_values[3].name() == 'b'"; |
| CHECK(CompileRun(source)->BooleanValue(context).FromJust()); |
| |
| source = "both_values[4].name() == 'c'"; |
| CHECK(CompileRun(source)->BooleanValue(context).FromJust()); |
| } |
| |
| |
| TEST(HiddenPrototypePropertyMirror) { |
| // Create a V8 environment with debug access. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(isolate); |
| t0->InstanceTemplate()->Set(v8_str(isolate, "x"), |
| v8::Number::New(isolate, 0)); |
| v8::Local<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(isolate); |
| t1->SetHiddenPrototype(true); |
| t1->InstanceTemplate()->Set(v8_str(isolate, "y"), |
| v8::Number::New(isolate, 1)); |
| v8::Local<v8::FunctionTemplate> t2 = v8::FunctionTemplate::New(isolate); |
| t2->SetHiddenPrototype(true); |
| t2->InstanceTemplate()->Set(v8_str(isolate, "z"), |
| v8::Number::New(isolate, 2)); |
| v8::Local<v8::FunctionTemplate> t3 = v8::FunctionTemplate::New(isolate); |
| t3->InstanceTemplate()->Set(v8_str(isolate, "u"), |
| v8::Number::New(isolate, 3)); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create object and set them on the global object. |
| v8::Local<v8::Object> o0 = t0->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| CHECK(env->Global()->Set(context, v8_str(isolate, "o0"), o0).FromJust()); |
| v8::Local<v8::Object> o1 = t1->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| CHECK(env->Global()->Set(context, v8_str(isolate, "o1"), o1).FromJust()); |
| v8::Local<v8::Object> o2 = t2->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| CHECK(env->Global()->Set(context, v8_str(isolate, "o2"), o2).FromJust()); |
| v8::Local<v8::Object> o3 = t3->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| CHECK(env->Global()->Set(context, v8_str(isolate, "o3"), o3).FromJust()); |
| |
| // Get mirrors for the four objects. |
| CompileRun( |
| "var o0_mirror = debug.MakeMirror(o0);" |
| "var o1_mirror = debug.MakeMirror(o1);" |
| "var o2_mirror = debug.MakeMirror(o2);" |
| "var o3_mirror = debug.MakeMirror(o3)"); |
| CHECK(CompileRun("o0_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("o1_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("o2_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("o3_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| // Check that each object has one property. |
| CHECK_EQ(1, CompileRun("o0_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o1_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o2_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o3_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| |
| // Set o1 as prototype for o0. o1 has the hidden prototype flag so all |
| // properties on o1 should be seen on o0. |
| CHECK(o0->Set(context, v8_str(isolate, "__proto__"), o1).FromJust()); |
| CHECK_EQ(2, CompileRun("o0_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(0, CompileRun("o0_mirror.property('x').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o0_mirror.property('y').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| |
| // Set o2 as prototype for o0 (it will end up after o1 as o1 has the hidden |
| // prototype flag. o2 also has the hidden prototype flag so all properties |
| // on o2 should be seen on o0 as well as properties on o1. |
| CHECK(o0->Set(context, v8_str(isolate, "__proto__"), o2).FromJust()); |
| CHECK_EQ(3, CompileRun("o0_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(0, CompileRun("o0_mirror.property('x').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o0_mirror.property('y').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(2, CompileRun("o0_mirror.property('z').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| |
| // Set o3 as prototype for o0 (it will end up after o1 and o2 as both o1 and |
| // o2 has the hidden prototype flag. o3 does not have the hidden prototype |
| // flag so properties on o3 should not be seen on o0 whereas the properties |
| // from o1 and o2 should still be seen on o0. |
| // Final prototype chain: o0 -> o1 -> o2 -> o3 |
| // Hidden prototypes: ^^ ^^ |
| CHECK(o0->Set(context, v8_str(isolate, "__proto__"), o3).FromJust()); |
| CHECK_EQ(3, CompileRun("o0_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o3_mirror.propertyNames().length") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(0, CompileRun("o0_mirror.property('x').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(1, CompileRun("o0_mirror.property('y').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK_EQ(2, CompileRun("o0_mirror.property('z').value().value()") |
| ->Int32Value(context) |
| .FromJust()); |
| CHECK(CompileRun("o0_mirror.property('u').isUndefined()") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| // The prototype (__proto__) for o0 should be o3 as o1 and o2 are hidden. |
| CHECK(CompileRun("o0_mirror.protoObject() == o3_mirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| } |
| |
| |
| static void ProtperyXNativeGetter( |
| v8::Local<v8::String> property, |
| const v8::PropertyCallbackInfo<v8::Value>& info) { |
| info.GetReturnValue().Set(10); |
| } |
| |
| |
| TEST(NativeGetterPropertyMirror) { |
| // Create a V8 environment with debug access. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::String> name = v8_str(isolate, "x"); |
| // Create object with named accessor. |
| v8::Local<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate); |
| named->SetAccessor(name, &ProtperyXNativeGetter, NULL, v8::Local<v8::Value>(), |
| v8::DEFAULT, v8::None); |
| |
| // Create object with named property getter. |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "instance"), |
| named->NewInstance(context).ToLocalChecked()) |
| .FromJust()); |
| CHECK_EQ(10, CompileRun("instance.x")->Int32Value(context).FromJust()); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var instance_mirror = debug.MakeMirror(instance);"); |
| CHECK(CompileRun("instance_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| CompileRun("var named_names = instance_mirror.propertyNames();"); |
| CHECK_EQ(1, CompileRun("named_names.length")->Int32Value(context).FromJust()); |
| CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue(context).FromJust()); |
| CHECK(CompileRun("instance_mirror.property('x').value().isNumber()") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("instance_mirror.property('x').value().value() == 10") |
| ->BooleanValue(context) |
| .FromJust()); |
| } |
| |
| |
| static void ProtperyXNativeGetterThrowingError( |
| v8::Local<v8::String> property, |
| const v8::PropertyCallbackInfo<v8::Value>& info) { |
| CompileRun("throw new Error('Error message');"); |
| } |
| |
| |
| TEST(NativeGetterThrowingErrorPropertyMirror) { |
| // Create a V8 environment with debug access. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::String> name = v8_str(isolate, "x"); |
| // Create object with named accessor. |
| v8::Local<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate); |
| named->SetAccessor(name, &ProtperyXNativeGetterThrowingError, NULL, |
| v8::Local<v8::Value>(), v8::DEFAULT, v8::None); |
| |
| // Create object with named property getter. |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "instance"), |
| named->NewInstance(context).ToLocalChecked()) |
| .FromJust()); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var instance_mirror = debug.MakeMirror(instance);"); |
| CHECK(CompileRun("instance_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CompileRun("named_names = instance_mirror.propertyNames();"); |
| CHECK_EQ(1, CompileRun("named_names.length")->Int32Value(context).FromJust()); |
| CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue(context).FromJust()); |
| CHECK(CompileRun("instance_mirror.property('x').value().isError()") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| // Check that the message is that passed to the Error constructor. |
| CHECK( |
| CompileRun( |
| "instance_mirror.property('x').value().message() == 'Error message'") |
| ->BooleanValue(context) |
| .FromJust()); |
| } |
| |
| |
| // Test that hidden properties object is not returned as an unnamed property |
| // among regular properties. |
| // See http://crbug.com/26491 |
| TEST(NoHiddenProperties) { |
| // Create a V8 environment with debug access. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Create an object in the global scope. |
| const char* source = "var obj = {a: 1};"; |
| v8::Script::Compile(context, v8_str(isolate, source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast( |
| env->Global()->Get(context, v8_str(isolate, "obj")).ToLocalChecked()); |
| // Set a hidden property on the object. |
| obj->SetPrivate( |
| env.context(), |
| v8::Private::New(isolate, v8_str(isolate, "v8::test-debug::a")), |
| v8::Int32::New(isolate, 11)) |
| .FromJust(); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var obj_mirror = debug.MakeMirror(obj);"); |
| CHECK(CompileRun("obj_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CompileRun("var named_names = obj_mirror.propertyNames();"); |
| // There should be exactly one property. But there is also an unnamed |
| // property whose value is hidden properties dictionary. The latter |
| // property should not be in the list of reguar properties. |
| CHECK_EQ(1, CompileRun("named_names.length")->Int32Value(context).FromJust()); |
| CHECK(CompileRun("named_names[0] == 'a'")->BooleanValue(context).FromJust()); |
| CHECK(CompileRun("obj_mirror.property('a').value().value() == 1") |
| ->BooleanValue(context) |
| .FromJust()); |
| |
| // Object created by t0 will become hidden prototype of object 'obj'. |
| v8::Local<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(isolate); |
| t0->InstanceTemplate()->Set(v8_str(isolate, "b"), |
| v8::Number::New(isolate, 2)); |
| t0->SetHiddenPrototype(true); |
| v8::Local<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(isolate); |
| t1->InstanceTemplate()->Set(v8_str(isolate, "c"), |
| v8::Number::New(isolate, 3)); |
| |
| // Create proto objects, add hidden properties to them and set them on |
| // the global object. |
| v8::Local<v8::Object> protoObj = t0->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| protoObj->SetPrivate( |
| env.context(), |
| v8::Private::New(isolate, v8_str(isolate, "v8::test-debug::b")), |
| v8::Int32::New(isolate, 12)) |
| .FromJust(); |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "protoObj"), protoObj) |
| .FromJust()); |
| v8::Local<v8::Object> grandProtoObj = t1->GetFunction(context) |
| .ToLocalChecked() |
| ->NewInstance(context) |
| .ToLocalChecked(); |
| grandProtoObj->SetPrivate(env.context(), |
| v8::Private::New( |
| isolate, v8_str(isolate, "v8::test-debug::c")), |
| v8::Int32::New(isolate, 13)) |
| .FromJust(); |
| CHECK(env->Global() |
| ->Set(context, v8_str(isolate, "grandProtoObj"), grandProtoObj) |
| .FromJust()); |
| |
| // Setting prototypes: obj->protoObj->grandProtoObj |
| CHECK(protoObj->Set(context, v8_str(isolate, "__proto__"), grandProtoObj) |
| .FromJust()); |
| CHECK(obj->Set(context, v8_str(isolate, "__proto__"), protoObj).FromJust()); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var obj_mirror = debug.MakeMirror(obj);"); |
| CHECK(CompileRun("obj_mirror instanceof debug.ObjectMirror") |
| ->BooleanValue(context) |
| .FromJust()); |
| CompileRun("var named_names = obj_mirror.propertyNames();"); |
| // There should be exactly two properties - one from the object itself and |
| // another from its hidden prototype. |
| CHECK_EQ(2, CompileRun("named_names.length")->Int32Value(context).FromJust()); |
| CHECK(CompileRun("named_names.sort(); named_names[0] == 'a' &&" |
| "named_names[1] == 'b'") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("obj_mirror.property('a').value().value() == 1") |
| ->BooleanValue(context) |
| .FromJust()); |
| CHECK(CompileRun("obj_mirror.property('b').value().value() == 2") |
| ->BooleanValue(context) |
| .FromJust()); |
| } |
| |
| |
| // Multithreaded tests of JSON debugger protocol |
| |
| // Support classes |
| |
| // Provides synchronization between N threads, where N is a template parameter. |
| // The Wait() call blocks a thread until it is called for the Nth time, then all |
| // calls return. Each ThreadBarrier object can only be used once. |
| template <int N> |
| class ThreadBarrier final { |
| public: |
| ThreadBarrier() : num_blocked_(0) {} |
| |
| ~ThreadBarrier() { |
| LockGuard<Mutex> lock_guard(&mutex_); |
| if (num_blocked_ != 0) { |
| CHECK_EQ(N, num_blocked_); |
| } |
| } |
| |
| void Wait() { |
| LockGuard<Mutex> lock_guard(&mutex_); |
| CHECK_LT(num_blocked_, N); |
| num_blocked_++; |
| if (N == num_blocked_) { |
| // Signal and unblock all waiting threads. |
| cv_.NotifyAll(); |
| printf("BARRIER\n\n"); |
| fflush(stdout); |
| } else { // Wait for the semaphore. |
| while (num_blocked_ < N) { |
| cv_.Wait(&mutex_); |
| } |
| } |
| CHECK_EQ(N, num_blocked_); |
| } |
| |
| private: |
| ConditionVariable cv_; |
| Mutex mutex_; |
| int num_blocked_; |
| |
| STATIC_ASSERT(N > 0); |
| |
| DISALLOW_COPY_AND_ASSIGN(ThreadBarrier); |
| }; |
| |
| |
| // A set containing enough barriers and semaphores for any of the tests. |
| class Barriers { |
| public: |
| Barriers() : semaphore_1(0), semaphore_2(0) {} |
| ThreadBarrier<2> barrier_1; |
| ThreadBarrier<2> barrier_2; |
| ThreadBarrier<2> barrier_3; |
| ThreadBarrier<2> barrier_4; |
| ThreadBarrier<2> barrier_5; |
| v8::base::Semaphore semaphore_1; |
| v8::base::Semaphore semaphore_2; |
| }; |
| |
| |
| // We match parts of the message to decide if it is a break message. |
| bool IsBreakEventMessage(char *message) { |
| const char* type_event = "\"type\":\"event\""; |
| const char* event_break = "\"event\":\"break\""; |
| // Does the message contain both type:event and event:break? |
| return strstr(message, type_event) != NULL && |
| strstr(message, event_break) != NULL; |
| } |
| |
| |
| // We match parts of the message to decide if it is a exception message. |
| bool IsExceptionEventMessage(char *message) { |
| const char* type_event = "\"type\":\"event\""; |
| const char* event_exception = "\"event\":\"exception\""; |
| // Does the message contain both type:event and event:exception? |
| return strstr(message, type_event) != NULL && |
| strstr(message, event_exception) != NULL; |
| } |
| |
| |
| // We match the message wether it is an evaluate response message. |
| bool IsEvaluateResponseMessage(char* message) { |
| const char* type_response = "\"type\":\"response\""; |
| const char* command_evaluate = "\"command\":\"evaluate\""; |
| // Does the message contain both type:response and command:evaluate? |
| return strstr(message, type_response) != NULL && |
| strstr(message, command_evaluate) != NULL; |
| } |
| |
| |
| static int StringToInt(const char* s) { |
| return atoi(s); // NOLINT |
| } |
| |
| |
| // We match parts of the message to get evaluate result int value. |
| int GetEvaluateIntResult(char *message) { |
| const char* value = "\"value\":"; |
| char* pos = strstr(message, value); |
| if (pos == NULL) { |
| return -1; |
| } |
| int res = -1; |
| res = StringToInt(pos + strlen(value)); |
| return res; |
| } |
| |
| |
| // We match parts of the message to get hit breakpoint id. |
| int GetBreakpointIdFromBreakEventMessage(char *message) { |
| const char* breakpoints = "\"breakpoints\":["; |
| char* pos = strstr(message, breakpoints); |
| if (pos == NULL) { |
| return -1; |
| } |
| int res = -1; |
| res = StringToInt(pos + strlen(breakpoints)); |
| return res; |
| } |
| |
| |
| // We match parts of the message to get total frames number. |
| int GetTotalFramesInt(char *message) { |
| const char* prefix = "\"totalFrames\":"; |
| char* pos = strstr(message, prefix); |
| if (pos == NULL) { |
| return -1; |
| } |
| pos += strlen(prefix); |
| int res = StringToInt(pos); |
| return res; |
| } |
| |
| |
| // We match parts of the message to get source line. |
| int GetSourceLineFromBreakEventMessage(char *message) { |
| const char* source_line = "\"sourceLine\":"; |
| char* pos = strstr(message, source_line); |
| if (pos == NULL) { |
| return -1; |
| } |
| int res = -1; |
| res = StringToInt(pos + strlen(source_line)); |
| return res; |
| } |
| |
| |
| /* Test MessageQueues */ |
| /* Tests the message queues that hold debugger commands and |
| * response messages to the debugger. Fills queues and makes |
| * them grow. |
| */ |
| Barriers message_queue_barriers; |
| |
| // This is the debugger thread, that executes no v8 calls except |
| // placing JSON debugger commands in the queue. |
| class MessageQueueDebuggerThread : public v8::base::Thread { |
| public: |
| MessageQueueDebuggerThread() |
| : Thread(Options("MessageQueueDebuggerThread")) {} |
| void Run(); |
| }; |
| |
| |
| static void MessageHandler(const v8::Debug::Message& message) { |
| v8::Local<v8::String> json = message.GetJSON(); |
| v8::String::Utf8Value utf8(json); |
| if (IsBreakEventMessage(*utf8)) { |
| // Lets test script wait until break occurs to send commands. |
| // Signals when a break is reported. |
| message_queue_barriers.semaphore_2.Signal(); |
| } |
| |
| // Allow message handler to block on a semaphore, to test queueing of |
| // messages while blocked. |
| message_queue_barriers.semaphore_1.Wait(); |
| } |
| |
| |
| void MessageQueueDebuggerThread::Run() { |
| const int kBufferSize = 1000; |
| uint16_t buffer_1[kBufferSize]; |
| uint16_t buffer_2[kBufferSize]; |
| const char* command_1 = |
| "{\"seq\":117," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"1+2\"}}"; |
| const char* command_2 = |
| "{\"seq\":118," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"1+a\"}}"; |
| const char* command_3 = |
| "{\"seq\":119," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"c.d * b\"}}"; |
| const char* command_continue = |
| "{\"seq\":106," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| const char* command_single_step = |
| "{\"seq\":107," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"," |
| "\"arguments\":{\"stepaction\":\"next\"}}"; |
| |
| /* Interleaved sequence of actions by the two threads:*/ |
| // Main thread compiles and runs source_1 |
| message_queue_barriers.semaphore_1.Signal(); |
| message_queue_barriers.barrier_1.Wait(); |
| // Post 6 commands, filling the command queue and making it expand. |
| // These calls return immediately, but the commands stay on the queue |
| // until the execution of source_2. |
| // Note: AsciiToUtf16 executes before SendCommand, so command is copied |
| // to buffer before buffer is sent to SendCommand. |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_1, buffer_1)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_2, buffer_2)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| message_queue_barriers.barrier_2.Wait(); |
| // Main thread compiles and runs source_2. |
| // Queued commands are executed at the start of compilation of source_2( |
| // beforeCompile event). |
| // Free the message handler to process all the messages from the queue. 7 |
| // messages are expected: 2 afterCompile events and 5 responses. |
| // All the commands added so far will fail to execute as long as call stack |
| // is empty on beforeCompile event. |
| for (int i = 0; i < 6 ; ++i) { |
| message_queue_barriers.semaphore_1.Signal(); |
| } |
| message_queue_barriers.barrier_3.Wait(); |
| // Main thread compiles and runs source_3. |
| // Don't stop in the afterCompile handler. |
| message_queue_barriers.semaphore_1.Signal(); |
| // source_3 includes a debugger statement, which causes a break event. |
| // Wait on break event from hitting "debugger" statement |
| message_queue_barriers.semaphore_2.Wait(); |
| // These should execute after the "debugger" statement in source_2 |
| v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_1, buffer_1)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_2, buffer_2)); |
| v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand( |
| isolate, buffer_2, AsciiToUtf16(command_single_step, buffer_2)); |
| // Run after 2 break events, 4 responses. |
| for (int i = 0; i < 6 ; ++i) { |
| message_queue_barriers.semaphore_1.Signal(); |
| } |
| // Wait on break event after a single step executes. |
| message_queue_barriers.semaphore_2.Wait(); |
| v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_2, buffer_1)); |
| v8::Debug::SendCommand( |
| isolate, buffer_2, AsciiToUtf16(command_continue, buffer_2)); |
| // Run after 2 responses. |
| for (int i = 0; i < 2 ; ++i) { |
| message_queue_barriers.semaphore_1.Signal(); |
| } |
| // Main thread continues running source_3 to end, waits for this thread. |
| } |
| |
| |
| // This thread runs the v8 engine. |
| TEST(MessageQueues) { |
| MessageQueueDebuggerThread message_queue_debugger_thread; |
| |
| // Create a V8 environment |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetMessageHandler(env->GetIsolate(), MessageHandler); |
| message_queue_debugger_thread.Start(); |
| |
| const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;"; |
| const char* source_2 = "e = 17;"; |
| const char* source_3 = "a = 4; debugger; a = 5; a = 6; a = 7;"; |
| |
| // See MessageQueueDebuggerThread::Run for interleaved sequence of |
| // API calls and events in the two threads. |
| CompileRun(source_1); |
| message_queue_barriers.barrier_1.Wait(); |
| message_queue_barriers.barrier_2.Wait(); |
| CompileRun(source_2); |
| message_queue_barriers.barrier_3.Wait(); |
| CompileRun(source_3); |
| message_queue_debugger_thread.Join(); |
| fflush(stdout); |
| } |
| |
| |
| class TestClientData : public v8::Debug::ClientData { |
| public: |
| TestClientData() { |
| constructor_call_counter++; |
| } |
| virtual ~TestClientData() { |
| destructor_call_counter++; |
| } |
| |
| static void ResetCounters() { |
| constructor_call_counter = 0; |
| destructor_call_counter = 0; |
| } |
| |
| static int constructor_call_counter; |
| static int destructor_call_counter; |
| }; |
| |
| int TestClientData::constructor_call_counter = 0; |
| int TestClientData::destructor_call_counter = 0; |
| |
| |
| // Tests that MessageQueue doesn't destroy client data when expands and |
| // does destroy when it dies. |
| TEST(MessageQueueExpandAndDestroy) { |
| TestClientData::ResetCounters(); |
| { // Create a scope for the queue. |
| CommandMessageQueue queue(1); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| CHECK_EQ(0, TestClientData::destructor_call_counter); |
| queue.Get().Dispose(); |
| CHECK_EQ(1, TestClientData::destructor_call_counter); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| queue.Put(CommandMessage::New(Vector<uint16_t>::empty(), |
| new TestClientData())); |
| CHECK_EQ(1, TestClientData::destructor_call_counter); |
| queue.Get().Dispose(); |
| CHECK_EQ(2, TestClientData::destructor_call_counter); |
| } |
| // All the client data should be destroyed when the queue is destroyed. |
| CHECK_EQ(TestClientData::destructor_call_counter, |
| TestClientData::destructor_call_counter); |
| } |
| |
| |
| static int handled_client_data_instances_count = 0; |
| static void MessageHandlerCountingClientData( |
| const v8::Debug::Message& message) { |
| if (message.GetClientData() != NULL) { |
| handled_client_data_instances_count++; |
| } |
| } |
| |
| |
| // Tests that all client data passed to the debugger are sent to the handler. |
| TEST(SendClientDataToHandler) { |
| // Create a V8 environment |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| TestClientData::ResetCounters(); |
| handled_client_data_instances_count = 0; |
| v8::Debug::SetMessageHandler(isolate, MessageHandlerCountingClientData); |
| const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;"; |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* command_1 = |
| "{\"seq\":117," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"1+2\"}}"; |
| const char* command_2 = |
| "{\"seq\":118," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"1+a\"}}"; |
| const char* command_continue = |
| "{\"seq\":106," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_1, buffer), |
| new TestClientData()); |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(command_2, buffer), NULL); |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_2, buffer), |
| new TestClientData()); |
| v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_2, buffer), |
| new TestClientData()); |
| // All the messages will be processed on beforeCompile event. |
| CompileRun(source_1); |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(command_continue, buffer)); |
| CHECK_EQ(3, TestClientData::constructor_call_counter); |
| CHECK_EQ(TestClientData::constructor_call_counter, |
| handled_client_data_instances_count); |
| CHECK_EQ(TestClientData::constructor_call_counter, |
| TestClientData::destructor_call_counter); |
| } |
| |
| |
| /* Test ThreadedDebugging */ |
| /* This test interrupts a running infinite loop that is |
| * occupying the v8 thread by a break command from the |
| * debugger thread. It then changes the value of a |
| * global object, to make the loop terminate. |
| */ |
| |
| Barriers threaded_debugging_barriers; |
| |
| class V8Thread : public v8::base::Thread { |
| public: |
| V8Thread() : Thread(Options("V8Thread")) {} |
| void Run(); |
| v8::Isolate* isolate() { return isolate_; } |
| |
| private: |
| v8::Isolate* isolate_; |
| }; |
| |
| class DebuggerThread : public v8::base::Thread { |
| public: |
| explicit DebuggerThread(v8::Isolate* isolate) |
| : Thread(Options("DebuggerThread")), isolate_(isolate) {} |
| void Run(); |
| |
| private: |
| v8::Isolate* isolate_; |
| }; |
| |
| |
| static void ThreadedAtBarrier1( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| threaded_debugging_barriers.barrier_1.Wait(); |
| } |
| |
| |
| static void ThreadedMessageHandler(const v8::Debug::Message& message) { |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| if (IsBreakEventMessage(print_buffer)) { |
| // Check that we are inside the while loop. |
| int source_line = GetSourceLineFromBreakEventMessage(print_buffer); |
| CHECK(4 <= source_line && source_line <= 10); |
| threaded_debugging_barriers.barrier_2.Wait(); |
| } |
| } |
| |
| |
| void V8Thread::Run() { |
| const char* source = |
| "flag = true;\n" |
| "\n" |
| "function foo() {\n" |
| " var x = 1;\n" |
| " while ( flag == true ) {\n" |
| " if ( x == 1 ) {\n" |
| " ThreadedAtBarrier1();\n" |
| " }\n" |
| " x = x + 1;\n" |
| " }\n" |
| "}\n" |
| "\n" |
| "foo();\n"; |
| |
| v8::Isolate::CreateParams create_params; |
| create_params.array_buffer_allocator = CcTest::array_buffer_allocator(); |
| isolate_ = v8::Isolate::New(create_params); |
| threaded_debugging_barriers.barrier_3.Wait(); |
| { |
| v8::Isolate::Scope isolate_scope(isolate_); |
| DebugLocalContext env(isolate_); |
| v8::HandleScope scope(isolate_); |
| v8::Debug::SetMessageHandler(isolate_, &ThreadedMessageHandler); |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::ObjectTemplate::New(env->GetIsolate()); |
| global_template->Set( |
| v8_str(env->GetIsolate(), "ThreadedAtBarrier1"), |
| v8::FunctionTemplate::New(isolate_, ThreadedAtBarrier1)); |
| v8::Local<v8::Context> context = |
| v8::Context::New(isolate_, NULL, global_template); |
| v8::Context::Scope context_scope(context); |
| |
| CompileRun(source); |
| } |
| threaded_debugging_barriers.barrier_4.Wait(); |
| isolate_->Dispose(); |
| } |
| |
| |
| void DebuggerThread::Run() { |
| const int kBufSize = 1000; |
| uint16_t buffer[kBufSize]; |
| |
| const char* command_1 = |
| "{\"seq\":102," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"flag = false\"}}"; |
| const char* command_2 = "{\"seq\":103," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| threaded_debugging_barriers.barrier_1.Wait(); |
| v8::Debug::DebugBreak(isolate_); |
| threaded_debugging_barriers.barrier_2.Wait(); |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_1, buffer)); |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_2, buffer)); |
| threaded_debugging_barriers.barrier_4.Wait(); |
| } |
| |
| |
| TEST(ThreadedDebugging) { |
| V8Thread v8_thread; |
| |
| // Create a V8 environment |
| v8_thread.Start(); |
| threaded_debugging_barriers.barrier_3.Wait(); |
| DebuggerThread debugger_thread(v8_thread.isolate()); |
| debugger_thread.Start(); |
| |
| v8_thread.Join(); |
| debugger_thread.Join(); |
| } |
| |
| |
| /* Test RecursiveBreakpoints */ |
| /* In this test, the debugger evaluates a function with a breakpoint, after |
| * hitting a breakpoint in another function. We do this with both values |
| * of the flag enabling recursive breakpoints, and verify that the second |
| * breakpoint is hit when enabled, and missed when disabled. |
| */ |
| |
| class BreakpointsV8Thread : public v8::base::Thread { |
| public: |
| BreakpointsV8Thread() : Thread(Options("BreakpointsV8Thread")) {} |
| void Run(); |
| |
| v8::Isolate* isolate() { return isolate_; } |
| |
| private: |
| v8::Isolate* isolate_; |
| }; |
| |
| class BreakpointsDebuggerThread : public v8::base::Thread { |
| public: |
| BreakpointsDebuggerThread(bool global_evaluate, v8::Isolate* isolate) |
| : Thread(Options("BreakpointsDebuggerThread")), |
| global_evaluate_(global_evaluate), |
| isolate_(isolate) {} |
| void Run(); |
| |
| private: |
| bool global_evaluate_; |
| v8::Isolate* isolate_; |
| }; |
| |
| |
| Barriers* breakpoints_barriers; |
| int break_event_breakpoint_id; |
| int evaluate_int_result; |
| |
| static void BreakpointsMessageHandler(const v8::Debug::Message& message) { |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| |
| if (IsBreakEventMessage(print_buffer)) { |
| break_event_breakpoint_id = |
| GetBreakpointIdFromBreakEventMessage(print_buffer); |
| breakpoints_barriers->semaphore_1.Signal(); |
| } else if (IsEvaluateResponseMessage(print_buffer)) { |
| evaluate_int_result = GetEvaluateIntResult(print_buffer); |
| breakpoints_barriers->semaphore_1.Signal(); |
| } |
| } |
| |
| |
| void BreakpointsV8Thread::Run() { |
| const char* source_1 = "var y_global = 3;\n" |
| "function cat( new_value ) {\n" |
| " var x = new_value;\n" |
| " y_global = y_global + 4;\n" |
| " x = 3 * x + 1;\n" |
| " y_global = y_global + 5;\n" |
| " return x;\n" |
| "}\n" |
| "\n" |
| "function dog() {\n" |
| " var x = 1;\n" |
| " x = y_global;" |
| " var z = 3;" |
| " x += 100;\n" |
| " return x;\n" |
| "}\n" |
| "\n"; |
| const char* source_2 = "cat(17);\n" |
| "cat(19);\n"; |
| |
| v8::Isolate::CreateParams create_params; |
| create_params.array_buffer_allocator = CcTest::array_buffer_allocator(); |
| isolate_ = v8::Isolate::New(create_params); |
| breakpoints_barriers->barrier_3.Wait(); |
| { |
| v8::Isolate::Scope isolate_scope(isolate_); |
| DebugLocalContext env(isolate_); |
| v8::HandleScope scope(isolate_); |
| v8::Debug::SetMessageHandler(isolate_, &BreakpointsMessageHandler); |
| |
| CompileRun(source_1); |
| breakpoints_barriers->barrier_1.Wait(); |
| breakpoints_barriers->barrier_2.Wait(); |
| CompileRun(source_2); |
| } |
| breakpoints_barriers->barrier_4.Wait(); |
| isolate_->Dispose(); |
| } |
| |
| |
| void BreakpointsDebuggerThread::Run() { |
| const int kBufSize = 1000; |
| uint16_t buffer[kBufSize]; |
| |
| const char* command_1 = "{\"seq\":101," |
| "\"type\":\"request\"," |
| "\"command\":\"setbreakpoint\"," |
| "\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}"; |
| const char* command_2 = "{\"seq\":102," |
| "\"type\":\"request\"," |
| "\"command\":\"setbreakpoint\"," |
| "\"arguments\":{\"type\":\"function\",\"target\":\"dog\",\"line\":3}}"; |
| const char* command_3; |
| if (this->global_evaluate_) { |
| command_3 = "{\"seq\":103," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false," |
| "\"global\":true}}"; |
| } else { |
| command_3 = "{\"seq\":103," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false}}"; |
| } |
| const char* command_4; |
| if (this->global_evaluate_) { |
| command_4 = "{\"seq\":104," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"100 + 8\",\"disable_break\":true," |
| "\"global\":true}}"; |
| } else { |
| command_4 = "{\"seq\":104," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"x + 1\",\"disable_break\":true}}"; |
| } |
| const char* command_5 = "{\"seq\":105," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| const char* command_6 = "{\"seq\":106," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| const char* command_7; |
| if (this->global_evaluate_) { |
| command_7 = "{\"seq\":107," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true," |
| "\"global\":true}}"; |
| } else { |
| command_7 = "{\"seq\":107," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true}}"; |
| } |
| const char* command_8 = "{\"seq\":108," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| |
| // v8 thread initializes, runs source_1 |
| breakpoints_barriers->barrier_1.Wait(); |
| // 1:Set breakpoint in cat() (will get id 1). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_1, buffer)); |
| // 2:Set breakpoint in dog() (will get id 2). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_2, buffer)); |
| breakpoints_barriers->barrier_2.Wait(); |
| // V8 thread starts compiling source_2. |
| // Automatic break happens, to run queued commands |
| // breakpoints_barriers->semaphore_1.Wait(); |
| // Commands 1 through 3 run, thread continues. |
| // v8 thread runs source_2 to breakpoint in cat(). |
| // message callback receives break event. |
| breakpoints_barriers->semaphore_1.Wait(); |
| // Must have hit breakpoint #1. |
| CHECK_EQ(1, break_event_breakpoint_id); |
| // 4:Evaluate dog() (which has a breakpoint). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_3, buffer)); |
| // V8 thread hits breakpoint in dog(). |
| breakpoints_barriers->semaphore_1.Wait(); // wait for break event |
| // Must have hit breakpoint #2. |
| CHECK_EQ(2, break_event_breakpoint_id); |
| // 5:Evaluate (x + 1). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_4, buffer)); |
| // Evaluate (x + 1) finishes. |
| breakpoints_barriers->semaphore_1.Wait(); |
| // Must have result 108. |
| CHECK_EQ(108, evaluate_int_result); |
| // 6:Continue evaluation of dog(). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_5, buffer)); |
| // Evaluate dog() finishes. |
| breakpoints_barriers->semaphore_1.Wait(); |
| // Must have result 107. |
| CHECK_EQ(107, evaluate_int_result); |
| // 7:Continue evaluation of source_2, finish cat(17), hit breakpoint |
| // in cat(19). |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_6, buffer)); |
| // Message callback gets break event. |
| breakpoints_barriers->semaphore_1.Wait(); // wait for break event |
| // Must have hit breakpoint #1. |
| CHECK_EQ(1, break_event_breakpoint_id); |
| // 8: Evaluate dog() with breaks disabled. |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_7, buffer)); |
| // Evaluate dog() finishes. |
| breakpoints_barriers->semaphore_1.Wait(); |
| // Must have result 116. |
| CHECK_EQ(116, evaluate_int_result); |
| // 9: Continue evaluation of source2, reach end. |
| v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_8, buffer)); |
| breakpoints_barriers->barrier_4.Wait(); |
| } |
| |
| |
| void TestRecursiveBreakpointsGeneric(bool global_evaluate) { |
| BreakpointsV8Thread breakpoints_v8_thread; |
| |
| // Create a V8 environment |
| Barriers stack_allocated_breakpoints_barriers; |
| breakpoints_barriers = &stack_allocated_breakpoints_barriers; |
| |
| breakpoints_v8_thread.Start(); |
| breakpoints_barriers->barrier_3.Wait(); |
| BreakpointsDebuggerThread breakpoints_debugger_thread( |
| global_evaluate, breakpoints_v8_thread.isolate()); |
| breakpoints_debugger_thread.Start(); |
| |
| breakpoints_v8_thread.Join(); |
| breakpoints_debugger_thread.Join(); |
| } |
| |
| |
| TEST(RecursiveBreakpoints) { |
| TestRecursiveBreakpointsGeneric(false); |
| } |
| |
| |
| TEST(RecursiveBreakpointsGlobal) { |
| TestRecursiveBreakpointsGeneric(true); |
| } |
| |
| |
| TEST(SetDebugEventListenerOnUninitializedVM) { |
| v8::Debug::SetDebugEventListener(CcTest::isolate(), DummyDebugEventListener); |
| } |
| |
| |
| static void DummyMessageHandler(const v8::Debug::Message& message) { |
| } |
| |
| |
| TEST(SetMessageHandlerOnUninitializedVM) { |
| v8::Debug::SetMessageHandler(CcTest::isolate(), DummyMessageHandler); |
| } |
| |
| |
| // Source for a JavaScript function which returns the data parameter of a |
| // function called in the context of the debugger. If no data parameter is |
| // passed it throws an exception. |
| static const char* debugger_call_with_data_source = |
| "function debugger_call_with_data(exec_state, data) {" |
| " if (data) return data;" |
| " throw 'No data!'" |
| "}"; |
| v8::Local<v8::Function> debugger_call_with_data; |
| |
| |
| // Source for a JavaScript function which returns the data parameter of a |
| // function called in the context of the debugger. If no data parameter is |
| // passed it throws an exception. |
| static const char* debugger_call_with_closure_source = |
| "var x = 3;" |
| "(function (exec_state) {" |
| " if (exec_state.y) return x - 1;" |
| " exec_state.y = x;" |
| " return exec_state.y" |
| "})"; |
| v8::Local<v8::Function> debugger_call_with_closure; |
| |
| // Function to retrieve the number of JavaScript frames by calling a JavaScript |
| // in the debugger. |
| static void CheckFrameCount(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext(); |
| CHECK(v8::Debug::Call(context, frame_count).ToLocalChecked()->IsNumber()); |
| CHECK_EQ(args[0]->Int32Value(context).FromJust(), |
| v8::Debug::Call(context, frame_count) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| } |
| |
| |
| // Function to retrieve the source line of the top JavaScript frame by calling a |
| // JavaScript function in the debugger. |
| static void CheckSourceLine(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext(); |
| CHECK( |
| v8::Debug::Call(context, frame_source_line).ToLocalChecked()->IsNumber()); |
| CHECK_EQ(args[0]->Int32Value(context).FromJust(), |
| v8::Debug::Call(context, frame_source_line) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| } |
| |
| |
| // Function to test passing an additional parameter to a JavaScript function |
| // called in the debugger. It also tests that functions called in the debugger |
| // can throw exceptions. |
| static void CheckDataParameter( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Local<v8::String> data = v8_str(args.GetIsolate(), "Test"); |
| v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext(); |
| CHECK(v8::Debug::Call(context, debugger_call_with_data, data) |
| .ToLocalChecked() |
| ->IsString()); |
| |
| for (int i = 0; i < 3; i++) { |
| v8::TryCatch catcher(args.GetIsolate()); |
| CHECK(v8::Debug::Call(context, debugger_call_with_data).IsEmpty()); |
| CHECK(catcher.HasCaught()); |
| CHECK(catcher.Exception()->IsString()); |
| } |
| } |
| |
| |
| // Function to test using a JavaScript with closure in the debugger. |
| static void CheckClosure(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext(); |
| CHECK(v8::Debug::Call(context, debugger_call_with_closure) |
| .ToLocalChecked() |
| ->IsNumber()); |
| CHECK_EQ(3, v8::Debug::Call(context, debugger_call_with_closure) |
| .ToLocalChecked() |
| ->Int32Value(context) |
| .FromJust()); |
| } |
| |
| |
| // Test functions called through the debugger. |
| TEST(CallFunctionInDebugger) { |
| // Create and enter a context with the functions CheckFrameCount, |
| // CheckSourceLine and CheckDataParameter installed. |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::ObjectTemplate::New(isolate); |
| global_template->Set(v8_str(isolate, "CheckFrameCount"), |
| v8::FunctionTemplate::New(isolate, CheckFrameCount)); |
| global_template->Set(v8_str(isolate, "CheckSourceLine"), |
| v8::FunctionTemplate::New(isolate, CheckSourceLine)); |
| global_template->Set(v8_str(isolate, "CheckDataParameter"), |
| v8::FunctionTemplate::New(isolate, CheckDataParameter)); |
| global_template->Set(v8_str(isolate, "CheckClosure"), |
| v8::FunctionTemplate::New(isolate, CheckClosure)); |
| v8::Local<v8::Context> context = |
| v8::Context::New(isolate, NULL, global_template); |
| v8::Context::Scope context_scope(context); |
| |
| // Compile a function for checking the number of JavaScript frames. |
| v8::Script::Compile(context, v8_str(isolate, frame_count_source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| frame_count = v8::Local<v8::Function>::Cast( |
| context->Global() |
| ->Get(context, v8_str(isolate, "frame_count")) |
| .ToLocalChecked()); |
| |
| // Compile a function for returning the source line for the top frame. |
| v8::Script::Compile(context, v8_str(isolate, frame_source_line_source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| frame_source_line = v8::Local<v8::Function>::Cast( |
| context->Global() |
| ->Get(context, v8_str(isolate, "frame_source_line")) |
| .ToLocalChecked()); |
| |
| // Compile a function returning the data parameter. |
| v8::Script::Compile(context, v8_str(isolate, debugger_call_with_data_source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| debugger_call_with_data = v8::Local<v8::Function>::Cast( |
| context->Global() |
| ->Get(context, v8_str(isolate, "debugger_call_with_data")) |
| .ToLocalChecked()); |
| |
| // Compile a function capturing closure. |
| debugger_call_with_closure = v8::Local<v8::Function>::Cast( |
| v8::Script::Compile(context, |
| v8_str(isolate, debugger_call_with_closure_source)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked()); |
| |
| // Calling a function through the debugger returns 0 frames if there are |
| // no JavaScript frames. |
| CHECK(v8::Integer::New(isolate, 0) |
| ->Equals(context, |
| v8::Debug::Call(context, frame_count).ToLocalChecked()) |
| .FromJust()); |
| |
| // Test that the number of frames can be retrieved. |
| v8::Script::Compile(context, v8_str(isolate, "CheckFrameCount(1)")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Script::Compile(context, v8_str(isolate, |
| "function f() {" |
| " CheckFrameCount(2);" |
| "}; f()")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // Test that the source line can be retrieved. |
| v8::Script::Compile(context, v8_str(isolate, "CheckSourceLine(0)")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Script::Compile(context, v8_str(isolate, |
| "function f() {\n" |
| " CheckSourceLine(1)\n" |
| " CheckSourceLine(2)\n" |
| " CheckSourceLine(3)\n" |
| "}; f()")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // Test that a parameter can be passed to a function called in the debugger. |
| v8::Script::Compile(context, v8_str(isolate, "CheckDataParameter()")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // Test that a function with closure can be run in the debugger. |
| v8::Script::Compile(context, v8_str(isolate, "CheckClosure()")) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // Test that the source line is correct when there is a line offset. |
| v8::ScriptOrigin origin(v8_str(isolate, "test"), |
| v8::Integer::New(isolate, 7)); |
| v8::Script::Compile(context, v8_str(isolate, "CheckSourceLine(7)"), &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Script::Compile(context, v8_str(isolate, |
| "function f() {\n" |
| " CheckSourceLine(8)\n" |
| " CheckSourceLine(9)\n" |
| " CheckSourceLine(10)\n" |
| "}; f()"), |
| &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| } |
| |
| |
| // Debugger message handler which counts the number of breaks. |
| static void SendContinueCommand(); |
| static void MessageHandlerBreakPointHitCount( |
| const v8::Debug::Message& message) { |
| if (message.IsEvent() && message.GetEvent() == v8::Break) { |
| // Count the number of breaks. |
| break_point_hit_count++; |
| |
| SendContinueCommand(); |
| } |
| } |
| |
| |
| // Test that clearing the debug event listener actually clears all break points |
| // and related information. |
| TEST(DebuggerUnload) { |
| DebugLocalContext env; |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Set a debug event listener. |
| break_point_hit_count = 0; |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Context> context = env.context(); |
| { |
| v8::HandleScope scope(env->GetIsolate()); |
| // Create a couple of functions for the test. |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){x=1}", "foo"); |
| v8::Local<v8::Function> bar = |
| CompileFunction(&env, "function bar(){y=2}", "bar"); |
| |
| // Set some break points. |
| SetBreakPoint(foo, 0); |
| SetBreakPoint(foo, 4); |
| SetBreakPoint(bar, 0); |
| SetBreakPoint(bar, 4); |
| |
| // Make sure that the break points are there. |
| break_point_hit_count = 0; |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| bar->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| } |
| |
| // Remove the debug event listener without clearing breakpoints. Do this |
| // outside a handle scope. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate(), true); |
| |
| // Now set a debug message handler. |
| break_point_hit_count = 0; |
| v8::Debug::SetMessageHandler(env->GetIsolate(), |
| MessageHandlerBreakPointHitCount); |
| { |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Get the test functions again. |
| v8::Local<v8::Function> foo(v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "foo")) |
| .ToLocalChecked())); |
| |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set break points and run again. |
| SetBreakPoint(foo, 0); |
| SetBreakPoint(foo, 4); |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| } |
| |
| // Remove the debug message handler without clearing breakpoints. Do this |
| // outside a handle scope. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate(), true); |
| } |
| |
| |
| // Sends continue command to the debugger. |
| static void SendContinueCommand() { |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* command_continue = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| v8::Debug::SendCommand( |
| CcTest::isolate(), buffer, AsciiToUtf16(command_continue, buffer)); |
| } |
| |
| |
| // Debugger message handler which counts the number of times it is called. |
| static int message_handler_hit_count = 0; |
| static void MessageHandlerHitCount(const v8::Debug::Message& message) { |
| message_handler_hit_count++; |
| |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| if (IsExceptionEventMessage(print_buffer)) { |
| // Send a continue command for exception events. |
| SendContinueCommand(); |
| } |
| } |
| |
| |
| // Test clearing the debug message handler. |
| TEST(DebuggerClearMessageHandler) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Set a debug message handler. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), MessageHandlerHitCount); |
| |
| // Run code to throw a unhandled exception. This should end up in the message |
| // handler. |
| CompileRun("throw 1"); |
| |
| // The message handler should be called. |
| CHECK_GT(message_handler_hit_count, 0); |
| |
| // Clear debug message handler. |
| message_handler_hit_count = 0; |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| |
| // Run code to throw a unhandled exception. This should end up in the message |
| // handler. |
| CompileRun("throw 1"); |
| |
| // The message handler should not be called more. |
| CHECK_EQ(0, message_handler_hit_count); |
| |
| CheckDebuggerUnloaded(env->GetIsolate(), true); |
| } |
| |
| |
| // Debugger message handler which clears the message handler while active. |
| static void MessageHandlerClearingMessageHandler( |
| const v8::Debug::Message& message) { |
| message_handler_hit_count++; |
| |
| // Clear debug message handler. |
| v8::Debug::SetMessageHandler(message.GetIsolate(), nullptr); |
| } |
| |
| |
| // Test clearing the debug message handler while processing a debug event. |
| TEST(DebuggerClearMessageHandlerWhileActive) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Set a debug message handler. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), |
| MessageHandlerClearingMessageHandler); |
| |
| // Run code to throw a unhandled exception. This should end up in the message |
| // handler. |
| CompileRun("throw 1"); |
| |
| // The message handler should be called. |
| CHECK_EQ(1, message_handler_hit_count); |
| |
| CheckDebuggerUnloaded(env->GetIsolate(), true); |
| } |
| |
| |
| // Test for issue http://code.google.com/p/v8/issues/detail?id=289. |
| // Make sure that DebugGetLoadedScripts doesn't return scripts |
| // with disposed external source. |
| class EmptyExternalStringResource : public v8::String::ExternalStringResource { |
| public: |
| EmptyExternalStringResource() { empty_[0] = 0; } |
| virtual ~EmptyExternalStringResource() {} |
| virtual size_t length() const { return empty_.length(); } |
| virtual const uint16_t* data() const { return empty_.start(); } |
| private: |
| ::v8::internal::EmbeddedVector<uint16_t, 1> empty_; |
| }; |
| |
| TEST(DebugScriptLineEndsAreAscending) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| // Compile a test script. |
| v8::Local<v8::String> script = v8_str(isolate, |
| "function f() {\n" |
| " debugger;\n" |
| "}\n"); |
| |
| v8::ScriptOrigin origin1 = v8::ScriptOrigin(v8_str(isolate, "name")); |
| v8::Local<v8::Script> script1 = |
| v8::Script::Compile(env.context(), script, &origin1).ToLocalChecked(); |
| USE(script1); |
| |
| Handle<v8::internal::FixedArray> instances; |
| { |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| v8::internal::DebugScope debug_scope(debug); |
| CHECK(!debug_scope.failed()); |
| instances = debug->GetLoadedScripts(); |
| } |
| |
| CHECK_GT(instances->length(), 0); |
| for (int i = 0; i < instances->length(); i++) { |
| Handle<v8::internal::Script> script = Handle<v8::internal::Script>( |
| v8::internal::Script::cast(instances->get(i))); |
| |
| v8::internal::Script::InitLineEnds(script); |
| v8::internal::FixedArray* ends = |
| v8::internal::FixedArray::cast(script->line_ends()); |
| CHECK_GT(ends->length(), 0); |
| |
| int prev_end = -1; |
| for (int j = 0; j < ends->length(); j++) { |
| const int curr_end = v8::internal::Smi::cast(ends->get(j))->value(); |
| CHECK_GT(curr_end, prev_end); |
| prev_end = curr_end; |
| } |
| } |
| } |
| |
| |
| // Test script break points set on lines. |
| TEST(ScriptNameAndData) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| |
| // Create functions for retrieving script name and data for the function on |
| // the top frame when hitting a break point. |
| frame_script_name = CompileFunction(&env, |
| frame_script_name_source, |
| "frame_script_name"); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakPointHitCount); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Test function source. |
| v8::Local<v8::String> script = v8_str(env->GetIsolate(), |
| "function f() {\n" |
| " debugger;\n" |
| "}\n"); |
| |
| v8::ScriptOrigin origin1 = |
| v8::ScriptOrigin(v8_str(env->GetIsolate(), "name")); |
| v8::Local<v8::Script> script1 = |
| v8::Script::Compile(context, script, &origin1).ToLocalChecked(); |
| script1->Run(context).ToLocalChecked(); |
| v8::Local<v8::Function> f; |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, strcmp("name", last_script_name_hit)); |
| |
| // Compile the same script again without setting data. As the compilation |
| // cache is disabled when debugging expect the data to be missing. |
| v8::Script::Compile(context, script, &origin1) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ(0, strcmp("name", last_script_name_hit)); |
| |
| v8::Local<v8::String> data_obj_source = |
| v8_str(env->GetIsolate(), |
| "({ a: 'abc',\n" |
| " b: 123,\n" |
| " toString: function() { return this.a + ' ' + this.b; }\n" |
| "})\n"); |
| v8::Script::Compile(context, data_obj_source) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::ScriptOrigin origin2 = |
| v8::ScriptOrigin(v8_str(env->GetIsolate(), "new name")); |
| v8::Local<v8::Script> script2 = |
| v8::Script::Compile(context, script, &origin2).ToLocalChecked(); |
| script2->Run(context).ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(3, break_point_hit_count); |
| CHECK_EQ(0, strcmp("new name", last_script_name_hit)); |
| |
| v8::Local<v8::Script> script3 = |
| v8::Script::Compile(context, script, &origin2).ToLocalChecked(); |
| script3->Run(context).ToLocalChecked(); |
| f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(4, break_point_hit_count); |
| } |
| |
| |
| static v8::Local<v8::Context> expected_context; |
| static v8::Local<v8::Value> expected_context_data; |
| |
| |
| // Check that the expected context is the one generating the debug event. |
| static void ContextCheckMessageHandler(const v8::Debug::Message& message) { |
| CHECK(message.GetEventContext() == expected_context); |
| CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals( |
| expected_context_data)); |
| message_handler_hit_count++; |
| |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| |
| // Send a continue command for break events. |
| if (IsBreakEventMessage(print_buffer)) { |
| SendContinueCommand(); |
| } |
| } |
| |
| |
| // Test which creates two contexts and sets different embedder data on each. |
| // Checks that this data is set correctly and that when the debug message |
| // handler is called the expected context is the one active. |
| TEST(ContextData) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| |
| // Create two contexts. |
| v8::Local<v8::Context> context_1; |
| v8::Local<v8::Context> context_2; |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::Local<v8::ObjectTemplate>(); |
| v8::Local<v8::Value> global_object = v8::Local<v8::Value>(); |
| context_1 = v8::Context::New(isolate, NULL, global_template, global_object); |
| context_2 = v8::Context::New(isolate, NULL, global_template, global_object); |
| |
| v8::Debug::SetMessageHandler(isolate, ContextCheckMessageHandler); |
| |
| // Default data value is undefined. |
| CHECK(context_1->GetEmbedderData(0)->IsUndefined()); |
| CHECK(context_2->GetEmbedderData(0)->IsUndefined()); |
| |
| // Set and check different data values. |
| v8::Local<v8::String> data_1 = v8_str(isolate, "1"); |
| v8::Local<v8::String> data_2 = v8_str(isolate, "2"); |
| context_1->SetEmbedderData(0, data_1); |
| context_2->SetEmbedderData(0, data_2); |
| CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1)); |
| CHECK(context_2->GetEmbedderData(0)->StrictEquals(data_2)); |
| |
| // Simple test function which causes a break. |
| const char* source = "function f() { debugger; }"; |
| |
| // Enter and run function in the first context. |
| { |
| v8::Context::Scope context_scope(context_1); |
| expected_context = context_1; |
| expected_context_data = data_1; |
| v8::Local<v8::Function> f = CompileFunction(isolate, source, "f"); |
| f->Call(context_1, context_1->Global(), 0, NULL).ToLocalChecked(); |
| } |
| |
| |
| // Enter and run function in the second context. |
| { |
| v8::Context::Scope context_scope(context_2); |
| expected_context = context_2; |
| expected_context_data = data_2; |
| v8::Local<v8::Function> f = CompileFunction(isolate, source, "f"); |
| f->Call(context_2, context_2->Global(), 0, NULL).ToLocalChecked(); |
| } |
| |
| // Two times compile event and two times break event. |
| CHECK_GT(message_handler_hit_count, 4); |
| |
| v8::Debug::SetMessageHandler(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| // Debug message handler which issues a debug break when it hits a break event. |
| static int message_handler_break_hit_count = 0; |
| static void DebugBreakMessageHandler(const v8::Debug::Message& message) { |
| // Schedule a debug break for break events. |
| if (message.IsEvent() && message.GetEvent() == v8::Break) { |
| message_handler_break_hit_count++; |
| if (message_handler_break_hit_count == 1) { |
| v8::Debug::DebugBreak(message.GetIsolate()); |
| } |
| } |
| |
| // Issue a continue command if this event will not cause the VM to start |
| // running. |
| if (!message.WillStartRunning()) { |
| SendContinueCommand(); |
| } |
| } |
| |
| |
| // Test that a debug break can be scheduled while in a message handler. |
| TEST(DebugBreakInMessageHandler) { |
| i::FLAG_turbo_inlining = false; // Make sure g is not inlined into f. |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), DebugBreakMessageHandler); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // Test functions. |
| const char* script = "function f() { debugger; g(); } function g() { }"; |
| CompileRun(script); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "g")) |
| .ToLocalChecked()); |
| |
| // Call f then g. The debugger statement in f will cause a break which will |
| // cause another break. |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, message_handler_break_hit_count); |
| // Calling g will not cause any additional breaks. |
| g->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(2, message_handler_break_hit_count); |
| } |
| |
| |
| #ifndef V8_INTERPRETED_REGEXP |
| // Debug event handler which gets the function on the top frame and schedules a |
| // break a number of times. |
| static void DebugEventDebugBreak( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| |
| // Get the name of the top frame function. |
| if (!frame_function_name.IsEmpty()) { |
| // Get the name of the function. |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = { |
| exec_state, v8::Integer::New(CcTest::isolate(), 0)}; |
| v8::Local<v8::Value> result = |
| frame_function_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| if (result->IsUndefined()) { |
| last_function_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Local<v8::String> function_name( |
| result->ToString(context).ToLocalChecked()); |
| function_name->WriteUtf8(last_function_hit); |
| } |
| } |
| |
| // Keep forcing breaks. |
| if (break_point_hit_count < 20) { |
| v8::Debug::DebugBreak(CcTest::isolate()); |
| } |
| } |
| } |
| |
| |
| TEST(RegExpDebugBreak) { |
| // This test only applies to native regexps. |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Test RegExp which matches white spaces and comments at the begining of a |
| // source line. |
| const char* script = |
| "var sourceLineBeginningSkip = /^(?:[ \\v\\h]*(?:\\/\\*.*?\\*\\/)*)*/;\n" |
| "function f(s) { return s.match(sourceLineBeginningSkip)[0].length; }"; |
| |
| v8::Local<v8::Function> f = CompileFunction(env->GetIsolate(), script, "f"); |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = { |
| v8_str(env->GetIsolate(), " /* xxx */ a=0;")}; |
| v8::Local<v8::Value> result = |
| f->Call(context, env->Global(), argc, argv).ToLocalChecked(); |
| CHECK_EQ(12, result->Int32Value(context).FromJust()); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventDebugBreak); |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| result = f->Call(context, env->Global(), argc, argv).ToLocalChecked(); |
| |
| // Check that there was only one break event. Matching RegExp should not |
| // cause Break events. |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, strcmp("f", last_function_hit)); |
| } |
| #endif // V8_INTERPRETED_REGEXP |
| |
| |
| // Common part of EvalContextData and NestedBreakEventContextData tests. |
| static void ExecuteScriptForContextCheck( |
| v8::Debug::MessageHandler message_handler) { |
| // Create a context. |
| v8::Local<v8::Context> context_1; |
| v8::Local<v8::ObjectTemplate> global_template = |
| v8::Local<v8::ObjectTemplate>(); |
| context_1 = |
| v8::Context::New(CcTest::isolate(), NULL, global_template); |
| |
| v8::Debug::SetMessageHandler(CcTest::isolate(), message_handler); |
| |
| // Default data value is undefined. |
| CHECK(context_1->GetEmbedderData(0)->IsUndefined()); |
| |
| // Set and check a data value. |
| v8::Local<v8::String> data_1 = v8_str(CcTest::isolate(), "1"); |
| context_1->SetEmbedderData(0, data_1); |
| CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1)); |
| |
| // Simple test function with eval that causes a break. |
| const char* source = "function f() { eval('debugger;'); }"; |
| |
| // Enter and run function in the context. |
| { |
| v8::Context::Scope context_scope(context_1); |
| expected_context = context_1; |
| expected_context_data = data_1; |
| v8::Local<v8::Function> f = CompileFunction(CcTest::isolate(), source, "f"); |
| f->Call(context_1, context_1->Global(), 0, NULL).ToLocalChecked(); |
| } |
| |
| v8::Debug::SetMessageHandler(CcTest::isolate(), nullptr); |
| } |
| |
| |
| // Test which creates a context and sets embedder data on it. Checks that this |
| // data is set correctly and that when the debug message handler is called for |
| // break event in an eval statement the expected context is the one returned by |
| // Message.GetEventContext. |
| TEST(EvalContextData) { |
| v8::HandleScope scope(CcTest::isolate()); |
| |
| ExecuteScriptForContextCheck(ContextCheckMessageHandler); |
| |
| // One time compile event and one time break event. |
| CHECK_GT(message_handler_hit_count, 2); |
| CheckDebuggerUnloaded(CcTest::isolate()); |
| } |
| |
| |
| static bool sent_eval = false; |
| static int break_count = 0; |
| static int continue_command_send_count = 0; |
| // Check that the expected context is the one generating the debug event |
| // including the case of nested break event. |
| static void DebugEvalContextCheckMessageHandler( |
| const v8::Debug::Message& message) { |
| CHECK(message.GetEventContext() == expected_context); |
| CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals( |
| expected_context_data)); |
| message_handler_hit_count++; |
| |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| |
| v8::Isolate* isolate = message.GetIsolate(); |
| if (IsBreakEventMessage(print_buffer)) { |
| break_count++; |
| if (!sent_eval) { |
| sent_eval = true; |
| |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* eval_command = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"debugger;\"," |
| "\"global\":true,\"disable_break\":false}}"; |
| |
| // Send evaluate command. |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(eval_command, buffer)); |
| return; |
| } else { |
| // It's a break event caused by the evaluation request above. |
| SendContinueCommand(); |
| continue_command_send_count++; |
| } |
| } else if (IsEvaluateResponseMessage(print_buffer) && |
| continue_command_send_count < 2) { |
| // Response to the evaluation request. We're still on the breakpoint so |
| // send continue. |
| SendContinueCommand(); |
| continue_command_send_count++; |
| } |
| } |
| |
| |
| // Tests that context returned for break event is correct when the event occurs |
| // in 'evaluate' debugger request. |
| TEST(NestedBreakEventContextData) { |
| v8::HandleScope scope(CcTest::isolate()); |
| break_count = 0; |
| message_handler_hit_count = 0; |
| |
| ExecuteScriptForContextCheck(DebugEvalContextCheckMessageHandler); |
| |
| // One time compile event and two times break event. |
| CHECK_GT(message_handler_hit_count, 3); |
| |
| // One break from the source and another from the evaluate request. |
| CHECK_EQ(break_count, 2); |
| CheckDebuggerUnloaded(CcTest::isolate()); |
| } |
| |
| |
| // Debug event listener which counts the after compile events. |
| int after_compile_message_count = 0; |
| static void AfterCompileMessageHandler(const v8::Debug::Message& message) { |
| // Count the number of scripts collected. |
| if (message.IsEvent()) { |
| if (message.GetEvent() == v8::AfterCompile) { |
| after_compile_message_count++; |
| } else if (message.GetEvent() == v8::Break) { |
| SendContinueCommand(); |
| } |
| } |
| } |
| |
| |
| // Tests that after compile event is sent as many times as there are scripts |
| // compiled. |
| TEST(AfterCompileMessageWhenMessageHandlerIsReset) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| after_compile_message_count = 0; |
| const char* script = "var a=1"; |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), script)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), script)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // Setting listener to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Compilation cache should be disabled when debugger is active. |
| CHECK_EQ(2, after_compile_message_count); |
| } |
| |
| |
| // Syntax error event handler which counts a number of events. |
| int compile_error_event_count = 0; |
| |
| static void CompileErrorEventCounterClear() { |
| compile_error_event_count = 0; |
| } |
| |
| static void CompileErrorEventCounter( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| |
| if (event == v8::CompileError) { |
| compile_error_event_count++; |
| } |
| } |
| |
| |
| // Tests that syntax error event is sent as many times as there are scripts |
| // with syntax error compiled. |
| TEST(SyntaxErrorMessageOnSyntaxException) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // For this test, we want to break on uncaught exceptions: |
| ChangeBreakOnException(false, true); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), CompileErrorEventCounter); |
| v8::Local<v8::Context> context = env.context(); |
| |
| CompileErrorEventCounterClear(); |
| |
| // Check initial state. |
| CHECK_EQ(0, compile_error_event_count); |
| |
| // Throws SyntaxError: Unexpected end of input |
| CHECK( |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), "+++")).IsEmpty()); |
| CHECK_EQ(1, compile_error_event_count); |
| |
| CHECK(v8::Script::Compile(context, v8_str(env->GetIsolate(), "/sel\\/: \\")) |
| .IsEmpty()); |
| CHECK_EQ(2, compile_error_event_count); |
| |
| v8::Local<v8::Script> script = |
| v8::Script::Compile(context, |
| v8_str(env->GetIsolate(), "JSON.parse('1234:')")) |
| .ToLocalChecked(); |
| CHECK_EQ(2, compile_error_event_count); |
| CHECK(script->Run(context).IsEmpty()); |
| CHECK_EQ(3, compile_error_event_count); |
| |
| v8::Script::Compile(context, |
| v8_str(env->GetIsolate(), "new RegExp('/\\/\\\\');")) |
| .ToLocalChecked(); |
| CHECK_EQ(3, compile_error_event_count); |
| |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), "throw 1;")) |
| .ToLocalChecked(); |
| CHECK_EQ(3, compile_error_event_count); |
| } |
| |
| |
| // Tests that break event is sent when message handler is reset. |
| TEST(BreakMessageWhenMessageHandlerIsReset) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| after_compile_message_count = 0; |
| const char* script = "function f() {};"; |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), script)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // Setting message handler to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| // Compilation cache should be disabled when debugger is active. |
| CHECK_EQ(1, after_compile_message_count); |
| } |
| |
| |
| static int exception_event_count = 0; |
| static void ExceptionMessageHandler(const v8::Debug::Message& message) { |
| if (message.IsEvent() && message.GetEvent() == v8::Exception) { |
| exception_event_count++; |
| SendContinueCommand(); |
| } |
| } |
| |
| |
| // Tests that exception event is sent when message handler is reset. |
| TEST(ExceptionMessageWhenMessageHandlerIsReset) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| v8::Local<v8::Context> context = env.context(); |
| // For this test, we want to break on uncaught exceptions: |
| ChangeBreakOnException(false, true); |
| |
| exception_event_count = 0; |
| const char* script = "function f() {throw new Error()};"; |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), script)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), ExceptionMessageHandler); |
| v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast( |
| env->Global() |
| ->Get(context, v8_str(env->GetIsolate(), "f")) |
| .ToLocalChecked()); |
| CHECK(f->Call(context, env->Global(), 0, NULL).IsEmpty()); |
| |
| // Setting message handler to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| |
| CHECK_EQ(1, exception_event_count); |
| } |
| |
| |
| // Tests after compile event is sent when there are some provisional |
| // breakpoints out of the scripts lines range. |
| TEST(ProvisionalBreakpointOnLineOutOfRange) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| const char* script = "function f() {};"; |
| const char* resource_name = "test_resource"; |
| |
| v8::Debug::SetMessageHandler(env->GetIsolate(), AfterCompileMessageHandler); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Set a couple of provisional breakpoint on lines out of the script lines |
| // range. |
| int sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), resource_name, |
| 3, -1 /* no column */); |
| int sbp2 = |
| SetScriptBreakPointByNameFromJS(env->GetIsolate(), resource_name, 5, 5); |
| |
| after_compile_message_count = 0; |
| |
| v8::ScriptOrigin origin(v8_str(env->GetIsolate(), resource_name), |
| v8::Integer::New(env->GetIsolate(), 10), |
| v8::Integer::New(env->GetIsolate(), 1)); |
| // Compile a script whose first line number is greater than the breakpoints' |
| // lines. |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), script), &origin) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| |
| // If the script is compiled successfully there is exactly one after compile |
| // event. In case of an exception in debugger code after compile event is not |
| // sent. |
| CHECK_EQ(1, after_compile_message_count); |
| |
| ClearBreakPointFromJS(env->GetIsolate(), sbp1); |
| ClearBreakPointFromJS(env->GetIsolate(), sbp2); |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| } |
| |
| |
| static void BreakMessageHandler(const v8::Debug::Message& message) { |
| i::Isolate* isolate = CcTest::i_isolate(); |
| if (message.IsEvent() && message.GetEvent() == v8::Break) { |
| // Count the number of breaks. |
| break_point_hit_count++; |
| |
| i::HandleScope scope(isolate); |
| message.GetJSON(); |
| |
| SendContinueCommand(); |
| } else if (message.IsEvent() && message.GetEvent() == v8::AfterCompile) { |
| i::HandleScope scope(isolate); |
| |
| int current_count = break_point_hit_count; |
| |
| // Force serialization to trigger some internal JS execution. |
| message.GetJSON(); |
| |
| CHECK_EQ(current_count, break_point_hit_count); |
| } |
| } |
| |
| |
| // Test that if DebugBreak is forced it is ignored when code from |
| // debug-delay.js is executed. |
| TEST(NoDebugBreakInAfterCompileMessageHandler) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), BreakMessageHandler); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| |
| // Create a function for testing stepping. |
| const char* src = "function f() { eval('var x = 10;'); } "; |
| v8::Local<v8::Function> f = CompileFunction(&env, src, "f"); |
| |
| // There should be only one break event. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Set the debug break flag again. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| f->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| // There should be one more break event when the script is evaluated in 'f'. |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Get rid of the debug message handler. |
| v8::Debug::SetMessageHandler(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| static int counting_message_handler_counter; |
| |
| static void CountingMessageHandler(const v8::Debug::Message& message) { |
| if (message.IsResponse()) counting_message_handler_counter++; |
| } |
| |
| |
| // Test that debug messages get processed when ProcessDebugMessages is called. |
| TEST(ProcessDebugMessages) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| |
| counting_message_handler_counter = 0; |
| |
| v8::Debug::SetMessageHandler(isolate, CountingMessageHandler); |
| |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* scripts_command = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"scripts\"}"; |
| |
| // Send scripts command. |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(scripts_command, buffer)); |
| |
| CHECK_EQ(0, counting_message_handler_counter); |
| v8::Debug::ProcessDebugMessages(isolate); |
| // At least one message should come |
| CHECK_GE(counting_message_handler_counter, 1); |
| |
| counting_message_handler_counter = 0; |
| |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(scripts_command, buffer)); |
| v8::Debug::SendCommand( |
| isolate, buffer, AsciiToUtf16(scripts_command, buffer)); |
| CHECK_EQ(0, counting_message_handler_counter); |
| v8::Debug::ProcessDebugMessages(isolate); |
| // At least two messages should come |
| CHECK_GE(counting_message_handler_counter, 2); |
| |
| // Get rid of the debug message handler. |
| v8::Debug::SetMessageHandler(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| class SendCommandThread; |
| static SendCommandThread* send_command_thread_ = NULL; |
| |
| |
| class SendCommandThread : public v8::base::Thread { |
| public: |
| explicit SendCommandThread(v8::Isolate* isolate) |
| : Thread(Options("SendCommandThread")), |
| semaphore_(0), |
| isolate_(isolate) {} |
| |
| static void CountingAndSignallingMessageHandler( |
| const v8::Debug::Message& message) { |
| if (message.IsResponse()) { |
| counting_message_handler_counter++; |
| send_command_thread_->semaphore_.Signal(); |
| } |
| } |
| |
| virtual void Run() { |
| semaphore_.Wait(); |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* scripts_command = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"scripts\"}"; |
| int length = AsciiToUtf16(scripts_command, buffer); |
| // Send scripts command. |
| |
| for (int i = 0; i < 20; i++) { |
| v8::base::ElapsedTimer timer; |
| timer.Start(); |
| CHECK_EQ(i, counting_message_handler_counter); |
| // Queue debug message. |
| v8::Debug::SendCommand(isolate_, buffer, length); |
| // Wait for the message handler to pick up the response. |
| semaphore_.Wait(); |
| i::PrintF("iteration %d took %f ms\n", i, |
| timer.Elapsed().InMillisecondsF()); |
| } |
| |
| isolate_->TerminateExecution(); |
| } |
| |
| void StartSending() { semaphore_.Signal(); } |
| |
| private: |
| v8::base::Semaphore semaphore_; |
| v8::Isolate* isolate_; |
| }; |
| |
| |
| static void StartSendingCommands( |
| const v8::FunctionCallbackInfo<v8::Value>& info) { |
| send_command_thread_->StartSending(); |
| } |
| |
| |
| TEST(ProcessDebugMessagesThreaded) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| |
| counting_message_handler_counter = 0; |
| |
| v8::Debug::SetMessageHandler( |
| isolate, SendCommandThread::CountingAndSignallingMessageHandler); |
| send_command_thread_ = new SendCommandThread(isolate); |
| send_command_thread_->Start(); |
| |
| v8::Local<v8::FunctionTemplate> start = |
| v8::FunctionTemplate::New(isolate, StartSendingCommands); |
| CHECK(env->Global() |
| ->Set(context, v8_str("start"), |
| start->GetFunction(context).ToLocalChecked()) |
| .FromJust()); |
| |
| CompileRun("start(); while (true) { }"); |
| |
| CHECK_EQ(20, counting_message_handler_counter); |
| |
| v8::Debug::SetMessageHandler(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| struct BacktraceData { |
| static int frame_counter; |
| static void MessageHandler(const v8::Debug::Message& message) { |
| char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer, 1000); |
| |
| if (strstr(print_buffer, "backtrace") == NULL) { |
| return; |
| } |
| frame_counter = GetTotalFramesInt(print_buffer); |
| } |
| }; |
| |
| int BacktraceData::frame_counter; |
| |
| |
| // Test that debug messages get processed when ProcessDebugMessages is called. |
| TEST(Backtrace) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| |
| v8::Debug::SetMessageHandler(isolate, BacktraceData::MessageHandler); |
| |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* scripts_command = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"backtrace\"}"; |
| |
| // Check backtrace from ProcessDebugMessages. |
| BacktraceData::frame_counter = -10; |
| v8::Debug::SendCommand( |
| isolate, |
| buffer, |
| AsciiToUtf16(scripts_command, buffer), |
| NULL); |
| v8::Debug::ProcessDebugMessages(isolate); |
| CHECK_EQ(BacktraceData::frame_counter, 0); |
| |
| v8::Local<v8::String> void0 = v8_str(env->GetIsolate(), "void(0)"); |
| v8::Local<v8::Script> script = CompileWithOrigin(void0, void0); |
| |
| // Check backtrace from "void(0)" script. |
| BacktraceData::frame_counter = -10; |
| v8::Debug::SendCommand( |
| isolate, |
| buffer, |
| AsciiToUtf16(scripts_command, buffer), |
| NULL); |
| script->Run(context).ToLocalChecked(); |
| CHECK_EQ(BacktraceData::frame_counter, 1); |
| |
| // Get rid of the debug message handler. |
| v8::Debug::SetMessageHandler(isolate, nullptr); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(GetMirror) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::Value> obj = |
| v8::Debug::GetMirror(context, v8_str(isolate, "hodja")).ToLocalChecked(); |
| v8::ScriptCompiler::Source source(v8_str( |
| "function runTest(mirror) {" |
| " return mirror.isString() && (mirror.length() == 5);" |
| "}" |
| "" |
| "runTest;")); |
| v8::Local<v8::Function> run_test = v8::Local<v8::Function>::Cast( |
| v8::ScriptCompiler::CompileUnboundScript(isolate, &source) |
| .ToLocalChecked() |
| ->BindToCurrentContext() |
| ->Run(context) |
| .ToLocalChecked()); |
| v8::Local<v8::Value> result = |
| run_test->Call(context, env->Global(), 1, &obj).ToLocalChecked(); |
| CHECK(result->IsTrue()); |
| } |
| |
| |
| // Test that the debug break flag works with function.apply. |
| TEST(DebugBreakFunctionApply) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Create a function for testing breaking in apply. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function baz(x) { }" |
| "function bar(x) { baz(); }" |
| "function foo(){ bar.apply(this, [1]); }", |
| "foo"); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventBreakMax); |
| |
| // Set the debug break flag before calling the code using function.apply. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| |
| // Limit the number of debug breaks. This is a regression test for issue 493 |
| // where this test would enter an infinite loop. |
| break_point_hit_count = 0; |
| max_break_point_hit_count = 10000; // 10000 => infinite loop. |
| foo->Call(context, env->Global(), 0, NULL).ToLocalChecked(); |
| |
| // When keeping the debug break several break will happen. |
| CHECK_GT(break_point_hit_count, 1); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| v8::Local<v8::Context> debugee_context; |
| v8::Local<v8::Context> debugger_context; |
| |
| |
| // Property getter that checks that current and calling contexts |
| // are both the debugee contexts. |
| static void NamedGetterWithCallingContextCheck( |
| v8::Local<v8::String> name, |
| const v8::PropertyCallbackInfo<v8::Value>& info) { |
| CHECK_EQ(0, strcmp(*v8::String::Utf8Value(name), "a")); |
| v8::Local<v8::Context> current = info.GetIsolate()->GetCurrentContext(); |
| CHECK(current == debugee_context); |
| CHECK(current != debugger_context); |
| info.GetReturnValue().Set(1); |
| } |
| |
| |
| // Debug event listener that checks if the first argument of a function is |
| // an object with property 'a' == 1. If the property has custom accessor |
| // this handler will eventually invoke it. |
| static void DebugEventGetAtgumentPropertyValue( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| CHECK(debugger_context == CcTest::isolate()->GetCurrentContext()); |
| v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(CompileRun( |
| "(function(exec_state) {\n" |
| " return (exec_state.frame(0).argumentValue(0).property('a').\n" |
| " value().value() == 1);\n" |
| "})")); |
| const int argc = 1; |
| v8::Local<v8::Value> argv[argc] = {exec_state}; |
| v8::Local<v8::Value> result = |
| func->Call(debugger_context, exec_state, argc, argv).ToLocalChecked(); |
| CHECK(result->IsTrue()); |
| } |
| } |
| |
| |
| TEST(CallingContextIsNotDebugContext) { |
| v8::internal::Debug* debug = CcTest::i_isolate()->debug(); |
| // Create and enter a debugee context. |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| env.ExposeDebug(); |
| |
| // Save handles to the debugger and debugee contexts to be used in |
| // NamedGetterWithCallingContextCheck. |
| debugee_context = env.context(); |
| debugger_context = v8::Utils::ToLocal(debug->debug_context()); |
| |
| // Create object with 'a' property accessor. |
| v8::Local<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate); |
| named->SetAccessor(v8_str(isolate, "a"), NamedGetterWithCallingContextCheck); |
| CHECK(env->Global() |
| ->Set(debugee_context, v8_str(isolate, "obj"), |
| named->NewInstance(debugee_context).ToLocalChecked()) |
| .FromJust()); |
| |
| // Register the debug event listener |
| v8::Debug::SetDebugEventListener(isolate, DebugEventGetAtgumentPropertyValue); |
| |
| // Create a function that invokes debugger. |
| v8::Local<v8::Function> foo = CompileFunction( |
| &env, |
| "function bar(x) { debugger; }" |
| "function foo(){ bar(obj); }", |
| "foo"); |
| |
| break_point_hit_count = 0; |
| foo->Call(debugee_context, env->Global(), 0, NULL).ToLocalChecked(); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| debugee_context = v8::Local<v8::Context>(); |
| debugger_context = v8::Local<v8::Context>(); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| TEST(DebugContextIsPreservedBetweenAccesses) { |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Debug::SetDebugEventListener(CcTest::isolate(), |
| DebugEventBreakPointHitCount); |
| v8::Local<v8::Context> context1 = |
| v8::Debug::GetDebugContext(CcTest::isolate()); |
| v8::Local<v8::Context> context2 = |
| v8::Debug::GetDebugContext(CcTest::isolate()); |
| CHECK(v8::Utils::OpenHandle(*context1).is_identical_to( |
| v8::Utils::OpenHandle(*context2))); |
| v8::Debug::SetDebugEventListener(CcTest::isolate(), nullptr); |
| } |
| |
| |
| TEST(NoDebugContextWhenDebuggerDisabled) { |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Local<v8::Context> context = |
| v8::Debug::GetDebugContext(CcTest::isolate()); |
| CHECK(context.IsEmpty()); |
| } |
| |
| static void DebugEventCheckContext( |
| const v8::Debug::EventDetails& event_details) { |
| if (event_details.GetEvent() == v8::Break) { |
| v8::Isolate* isolate = event_details.GetIsolate(); |
| CHECK(v8::Debug::GetDebuggedContext(isolate) |
| .ToLocalChecked() |
| ->Global() |
| ->Equals(isolate->GetCurrentContext(), |
| event_details.GetEventContext()->Global()) |
| .FromJust()); |
| } |
| } |
| |
| static void CheckContext(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(v8::Debug::GetDebuggedContext(args.GetIsolate()).IsEmpty()); |
| } |
| |
| TEST(DebuggedContext) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| |
| v8::Debug::SetDebugEventListener(isolate, DebugEventCheckContext); |
| |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){bar=0;}", "foo"); |
| |
| SetBreakPoint(foo, 0); |
| foo->Call(env.context(), env->Global(), 0, nullptr).ToLocalChecked(); |
| |
| v8::Local<v8::Function> fun = v8::FunctionTemplate::New(isolate, CheckContext) |
| ->GetFunction(env.context()) |
| .ToLocalChecked(); |
| fun->Call(env.context(), env->Global(), 0, nullptr).ToLocalChecked(); |
| } |
| |
| static v8::Local<v8::Value> expected_callback_data; |
| static void DebugEventContextChecker(const v8::Debug::EventDetails& details) { |
| CHECK(details.GetEventContext() == expected_context); |
| CHECK(expected_callback_data->Equals(details.GetEventContext(), |
| details.GetCallbackData()) |
| .FromJust()); |
| } |
| |
| |
| // Check that event details contain context where debug event occured. |
| TEST(DebugEventContext) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| expected_context = v8::Context::New(isolate); |
| expected_callback_data = v8::Int32::New(isolate, 2010); |
| v8::Debug::SetDebugEventListener(isolate, DebugEventContextChecker, |
| expected_callback_data); |
| v8::Context::Scope context_scope(expected_context); |
| v8::Script::Compile(expected_context, |
| v8_str(isolate, "(function(){debugger;})();")) |
| .ToLocalChecked() |
| ->Run(expected_context) |
| .ToLocalChecked(); |
| expected_context.Clear(); |
| v8::Debug::SetDebugEventListener(isolate, nullptr); |
| expected_context_data = v8::Local<v8::Value>(); |
| CheckDebuggerUnloaded(isolate); |
| } |
| |
| |
| static bool debug_event_break_deoptimize_done = false; |
| |
| static void DebugEventBreakDeoptimize( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| if (event == v8::Break) { |
| if (!frame_function_name.IsEmpty()) { |
| // Get the name of the function. |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = { |
| exec_state, v8::Integer::New(CcTest::isolate(), 0)}; |
| v8::Local<v8::Value> result = |
| frame_function_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| if (!result->IsUndefined()) { |
| char fn[80]; |
| CHECK(result->IsString()); |
| v8::Local<v8::String> function_name( |
| result->ToString(context).ToLocalChecked()); |
| function_name->WriteUtf8(fn); |
| if (strcmp(fn, "bar") == 0) { |
| i::Deoptimizer::DeoptimizeAll(CcTest::i_isolate()); |
| debug_event_break_deoptimize_done = true; |
| } |
| } |
| } |
| |
| v8::Debug::DebugBreak(CcTest::isolate()); |
| } |
| } |
| |
| |
| // Test deoptimization when execution is broken using the debug break stack |
| // check interrupt. |
| TEST(DeoptimizeDuringDebugBreak) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| v8::Local<v8::Context> context = env.context(); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_function_name = CompileFunction(&env, |
| frame_function_name_source, |
| "frame_function_name"); |
| |
| // Set a debug event listener which will keep interrupting execution until |
| // debug break. When inside function bar it will deoptimize all functions. |
| // This tests lazy deoptimization bailout for the stack check, as the first |
| // time in function bar when using debug break and no break points will be at |
| // the initial stack check. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugEventBreakDeoptimize); |
| |
| // Compile and run function bar which will optimize it for some flag settings. |
| v8::Local<v8::Function> f = CompileFunction(&env, "function bar(){}", "bar"); |
| f->Call(context, v8::Undefined(env->GetIsolate()), 0, NULL).ToLocalChecked(); |
| |
| // Set debug break and call bar again. |
| v8::Debug::DebugBreak(env->GetIsolate()); |
| f->Call(context, v8::Undefined(env->GetIsolate()), 0, NULL).ToLocalChecked(); |
| |
| CHECK(debug_event_break_deoptimize_done); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| } |
| |
| |
| static void DebugEventBreakWithOptimizedStack( |
| const v8::Debug::EventDetails& event_details) { |
| v8::Isolate* isolate = event_details.GetEventContext()->GetIsolate(); |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Object> exec_state = event_details.GetExecutionState(); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| if (event == v8::Break) { |
| if (!frame_function_name.IsEmpty()) { |
| for (int i = 0; i < 2; i++) { |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = {exec_state, |
| v8::Integer::New(isolate, i)}; |
| // Get the name of the function in frame i. |
| v8::Local<v8::Value> result = |
| frame_function_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsString()); |
| v8::Local<v8::String> function_name( |
| result->ToString(context).ToLocalChecked()); |
| CHECK( |
| function_name->Equals(context, v8_str(isolate, "loop")).FromJust()); |
| // Get the name of the first argument in frame i. |
| result = frame_argument_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsString()); |
| v8::Local<v8::String> argument_name( |
| result->ToString(context).ToLocalChecked()); |
| CHECK(argument_name->Equals(context, v8_str(isolate, "count")) |
| .FromJust()); |
| // Get the value of the first argument in frame i. If the |
| // function is optimized the value will be undefined, otherwise |
| // the value will be '1 - i'. |
| // |
| // TODO(3141533): We should be able to get the real value for |
| // optimized frames. |
| result = frame_argument_value->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsUndefined() || |
| (result->Int32Value(context).FromJust() == 1 - i)); |
| // Get the name of the first local variable. |
| result = frame_local_name->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsString()); |
| v8::Local<v8::String> local_name( |
| result->ToString(context).ToLocalChecked()); |
| CHECK(local_name->Equals(context, v8_str(isolate, "local")).FromJust()); |
| // Get the value of the first local variable. If the function |
| // is optimized the value will be undefined, otherwise it will |
| // be 42. |
| // |
| // TODO(3141533): We should be able to get the real value for |
| // optimized frames. |
| result = frame_local_value->Call(context, exec_state, argc, argv) |
| .ToLocalChecked(); |
| CHECK(result->IsUndefined() || |
| (result->Int32Value(context).FromJust() == 42)); |
| } |
| } |
| } |
| } |
| |
| |
| static void ScheduleBreak(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Debug::SetDebugEventListener(args.GetIsolate(), |
| DebugEventBreakWithOptimizedStack); |
| v8::Debug::DebugBreak(args.GetIsolate()); |
| } |
| |
| |
| TEST(DebugBreakStackInspection) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| |
| frame_function_name = |
| CompileFunction(&env, frame_function_name_source, "frame_function_name"); |
| frame_argument_name = |
| CompileFunction(&env, frame_argument_name_source, "frame_argument_name"); |
| frame_argument_value = CompileFunction(&env, |
| frame_argument_value_source, |
| "frame_argument_value"); |
| frame_local_name = |
| CompileFunction(&env, frame_local_name_source, "frame_local_name"); |
| frame_local_value = |
| CompileFunction(&env, frame_local_value_source, "frame_local_value"); |
| |
| v8::Local<v8::FunctionTemplate> schedule_break_template = |
| v8::FunctionTemplate::New(env->GetIsolate(), ScheduleBreak); |
| v8::Local<v8::Function> schedule_break = |
| schedule_break_template->GetFunction(context).ToLocalChecked(); |
| CHECK(env->Global() |
| ->Set(context, v8_str("scheduleBreak"), schedule_break) |
| .FromJust()); |
| |
| const char* src = |
| "function loop(count) {" |
| " var local = 42;" |
| " if (count < 1) { scheduleBreak(); loop(count + 1); }" |
| "}" |
| "loop(0);"; |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), src)) |
| .ToLocalChecked() |
| ->Run(context) |
| .ToLocalChecked(); |
| } |
| |
| |
| // Test that setting the terminate execution flag during debug break processing. |
| static void TestDebugBreakInLoop(const char* loop_head, |
| const char** loop_bodies, |
| const char* loop_tail) { |
| // Receive 10 breaks for each test and then terminate JavaScript execution. |
| static const int kBreaksPerTest = 10; |
| |
| for (int i = 0; loop_bodies[i] != NULL; i++) { |
| // Perform a lazy deoptimization after various numbers of breaks |
| // have been hit. |
| |
| EmbeddedVector<char, 1024> buffer; |
| SNPrintF(buffer, "function f() {%s%s%s}", loop_head, loop_bodies[i], |
| loop_tail); |
| |
| i::PrintF("%s\n", buffer.start()); |
| |
| for (int j = 0; j < 3; j++) { |
| break_point_hit_count_deoptimize = j; |
| if (j == 2) { |
| break_point_hit_count_deoptimize = kBreaksPerTest; |
| } |
| |
| break_point_hit_count = 0; |
| max_break_point_hit_count = kBreaksPerTest; |
| terminate_after_max_break_point_hit = true; |
| |
| // Function with infinite loop. |
| CompileRun(buffer.start()); |
| |
| // Set the debug break to enter the debugger as soon as possible. |
| v8::Debug::DebugBreak(CcTest::isolate()); |
| |
| // Call function with infinite loop. |
| CompileRun("f();"); |
| CHECK_EQ(kBreaksPerTest, break_point_hit_count); |
| |
| CHECK(!CcTest::isolate()->IsExecutionTerminating()); |
| } |
| } |
| } |
| |
| |
| static const char* loop_bodies_1[] = {"", |
| "g()", |
| "if (a == 0) { g() }", |
| "if (a == 1) { g() }", |
| "if (a == 0) { g() } else { h() }", |
| "if (a == 0) { continue }", |
| NULL}; |
| |
| |
| static const char* loop_bodies_2[] = { |
| "if (a == 1) { continue }", |
| "switch (a) { case 1: g(); }", |
| "switch (a) { case 1: continue; }", |
| "switch (a) { case 1: g(); break; default: h() }", |
| "switch (a) { case 1: continue; break; default: h() }", |
| NULL}; |
| |
| |
| void DebugBreakLoop(const char* loop_header, const char** loop_bodies, |
| const char* loop_footer) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventBreakMax); |
| |
| CompileRun( |
| "var a = 1;\n" |
| "function g() { }\n" |
| "function h() { }"); |
| |
| TestDebugBreakInLoop(loop_header, loop_bodies, loop_footer); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| TEST(DebugBreakInWhileTrue1) { |
| DebugBreakLoop("while (true) {", loop_bodies_1, "}"); |
| } |
| |
| |
| TEST(DebugBreakInWhileTrue2) { |
| DebugBreakLoop("while (true) {", loop_bodies_2, "}"); |
| } |
| |
| |
| TEST(DebugBreakInWhileCondition1) { |
| DebugBreakLoop("while (a == 1) {", loop_bodies_1, "}"); |
| } |
| |
| |
| TEST(DebugBreakInWhileCondition2) { |
| DebugBreakLoop("while (a == 1) {", loop_bodies_2, "}"); |
| } |
| |
| |
| TEST(DebugBreakInDoWhileTrue1) { |
| DebugBreakLoop("do {", loop_bodies_1, "} while (true)"); |
| } |
| |
| |
| TEST(DebugBreakInDoWhileTrue2) { |
| DebugBreakLoop("do {", loop_bodies_2, "} while (true)"); |
| } |
| |
| |
| TEST(DebugBreakInDoWhileCondition1) { |
| DebugBreakLoop("do {", loop_bodies_1, "} while (a == 1)"); |
| } |
| |
| |
| TEST(DebugBreakInDoWhileCondition2) { |
| DebugBreakLoop("do {", loop_bodies_2, "} while (a == 1)"); |
| } |
| |
| |
| TEST(DebugBreakInFor1) { DebugBreakLoop("for (;;) {", loop_bodies_1, "}"); } |
| |
| |
| TEST(DebugBreakInFor2) { DebugBreakLoop("for (;;) {", loop_bodies_2, "}"); } |
| |
| |
| TEST(DebugBreakInForCondition1) { |
| DebugBreakLoop("for (;a == 1;) {", loop_bodies_1, "}"); |
| } |
| |
| |
| TEST(DebugBreakInForCondition2) { |
| DebugBreakLoop("for (;a == 1;) {", loop_bodies_2, "}"); |
| } |
| |
| |
| v8::Local<v8::Script> inline_script; |
| |
| static void DebugBreakInlineListener( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext(); |
| if (event != v8::Break) return; |
| |
| int expected_frame_count = 4; |
| int expected_line_number[] = {1, 4, 7, 12}; |
| |
| i::Handle<i::Object> compiled_script = v8::Utils::OpenHandle(*inline_script); |
| i::Handle<i::Script> source_script = i::Handle<i::Script>(i::Script::cast( |
| i::JSFunction::cast(*compiled_script)->shared()->script())); |
| |
| int break_id = CcTest::i_isolate()->debug()->break_id(); |
| char script[128]; |
| i::Vector<char> script_vector(script, sizeof(script)); |
| SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id); |
| v8::Local<v8::Value> result = CompileRun(script); |
| |
| int frame_count = result->Int32Value(context).FromJust(); |
| CHECK_EQ(expected_frame_count, frame_count); |
| |
| for (int i = 0; i < frame_count; i++) { |
| // The 5. element in the returned array of GetFrameDetails contains the |
| // source position of that frame. |
| SNPrintF(script_vector, "%%GetFrameDetails(%d, %d)[5]", break_id, i); |
| v8::Local<v8::Value> result = CompileRun(script); |
| CHECK_EQ(expected_line_number[i], |
| i::Script::GetLineNumber(source_script, |
| result->Int32Value(context).FromJust())); |
| } |
| v8::Debug::SetDebugEventListener(CcTest::isolate(), nullptr); |
| CcTest::isolate()->TerminateExecution(); |
| } |
| |
| |
| TEST(DebugBreakInline) { |
| i::FLAG_allow_natives_syntax = true; |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Local<v8::Context> context = env.context(); |
| const char* source = |
| "function debug(b) { \n" |
| " if (b) debugger; \n" |
| "} \n" |
| "function f(b) { \n" |
| " debug(b) \n" |
| "}; \n" |
| "function g(b) { \n" |
| " f(b); \n" |
| "}; \n" |
| "g(false); \n" |
| "g(false); \n" |
| "%OptimizeFunctionOnNextCall(g); \n" |
| "g(true);"; |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugBreakInlineListener); |
| inline_script = |
| v8::Script::Compile(context, v8_str(env->GetIsolate(), source)) |
| .ToLocalChecked(); |
| inline_script->Run(context).ToLocalChecked(); |
| } |
| |
| |
| static void DebugEventStepNext( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| if (event == v8::Break) { |
| PrepareStep(StepNext); |
| } |
| } |
| |
| |
| static void RunScriptInANewCFrame(const char* source) { |
| v8::TryCatch try_catch(CcTest::isolate()); |
| CompileRun(source); |
| CHECK(try_catch.HasCaught()); |
| } |
| |
| |
| TEST(Regress131642) { |
| // Bug description: |
| // When doing StepNext through the first script, the debugger is not reset |
| // after exiting through exception. A flawed implementation enabling the |
| // debugger to step into Array.prototype.forEach breaks inside the callback |
| // for forEach in the second script under the assumption that we are in a |
| // recursive call. In an attempt to step out, we crawl the stack using the |
| // recorded frame pointer from the first script and fail when not finding it |
| // on the stack. |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventStepNext); |
| |
| // We step through the first script. It exits through an exception. We run |
| // this inside a new frame to record a different FP than the second script |
| // would expect. |
| const char* script_1 = "debugger; throw new Error();"; |
| RunScriptInANewCFrame(script_1); |
| |
| // The second script uses forEach. |
| const char* script_2 = "[0].forEach(function() { });"; |
| CompileRun(script_2); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| } |
| |
| |
| // Import from test-heap.cc |
| namespace v8 { |
| namespace internal { |
| |
| int CountNativeContexts(); |
| } |
| } |
| |
| |
| static void NopListener(const v8::Debug::EventDetails& event_details) { |
| } |
| |
| |
| TEST(DebuggerCreatesContextIffActive) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| CHECK_EQ(1, v8::internal::CountNativeContexts()); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CompileRun("debugger;"); |
| CHECK_EQ(1, v8::internal::CountNativeContexts()); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), NopListener); |
| CompileRun("debugger;"); |
| CHECK_EQ(2, v8::internal::CountNativeContexts()); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| } |
| |
| |
| TEST(LiveEditEnabled) { |
| v8::internal::FLAG_allow_natives_syntax = true; |
| LocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetLiveEditEnabled(env->GetIsolate(), true); |
| CompileRun("%LiveEditCompareStrings('', '')"); |
| } |
| |
| |
| TEST(LiveEditDisabled) { |
| v8::internal::FLAG_allow_natives_syntax = true; |
| LocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetLiveEditEnabled(env->GetIsolate(), false); |
| CompileRun("%LiveEditCompareStrings('', '')"); |
| } |
| |
| |
| TEST(PrecompiledFunction) { |
| // Regression test for crbug.com/346207. If we have preparse data, parsing the |
| // function in the presence of the debugger (and breakpoints) should still |
| // succeed. The bug was that preparsing was done lazily and parsing was done |
| // eagerly, so, the symbol streams didn't match. |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| env.ExposeDebug(); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugBreakInlineListener); |
| |
| v8::Local<v8::Function> break_here = |
| CompileFunction(&env, "function break_here(){}", "break_here"); |
| SetBreakPoint(break_here, 0); |
| |
| const char* source = |
| "var a = b = c = 1; \n" |
| "function this_is_lazy() { \n" |
| // This symbol won't appear in the preparse data. |
| " var a; \n" |
| "} \n" |
| "function bar() { \n" |
| " return \"bar\"; \n" |
| "}; \n" |
| "a = b = c = 2; \n" |
| "bar(); \n"; |
| v8::Local<v8::Value> result = ParserCacheCompileRun(source); |
| CHECK(result->IsString()); |
| v8::String::Utf8Value utf8(result); |
| CHECK_EQ(0, strcmp("bar", *utf8)); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CheckDebuggerUnloaded(env->GetIsolate()); |
| } |
| |
| |
| static void DebugBreakStackTraceListener( |
| const v8::Debug::EventDetails& event_details) { |
| v8::StackTrace::CurrentStackTrace(CcTest::isolate(), 10); |
| } |
| |
| |
| static void AddDebugBreak(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::Debug::DebugBreak(args.GetIsolate()); |
| } |
| |
| |
| TEST(DebugBreakStackTrace) { |
| DebugLocalContext env; |
| v8::HandleScope scope(env->GetIsolate()); |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), |
| DebugBreakStackTraceListener); |
| v8::Local<v8::Context> context = env.context(); |
| v8::Local<v8::FunctionTemplate> add_debug_break_template = |
| v8::FunctionTemplate::New(env->GetIsolate(), AddDebugBreak); |
| v8::Local<v8::Function> add_debug_break = |
| add_debug_break_template->GetFunction(context).ToLocalChecked(); |
| CHECK(env->Global() |
| ->Set(context, v8_str("add_debug_break"), add_debug_break) |
| .FromJust()); |
| |
| CompileRun("(function loop() {" |
| " for (var j = 0; j < 1000; j++) {" |
| " for (var i = 0; i < 1000; i++) {" |
| " if (i == 999) add_debug_break();" |
| " }" |
| " }" |
| "})()"); |
| } |
| |
| |
| v8::base::Semaphore terminate_requested_semaphore(0); |
| v8::base::Semaphore terminate_fired_semaphore(0); |
| bool terminate_already_fired = false; |
| |
| |
| static void DebugBreakTriggerTerminate( |
| const v8::Debug::EventDetails& event_details) { |
| if (event_details.GetEvent() != v8::Break || terminate_already_fired) return; |
| terminate_requested_semaphore.Signal(); |
| // Wait for at most 2 seconds for the terminate request. |
| CHECK(terminate_fired_semaphore.WaitFor(v8::base::TimeDelta::FromSeconds(2))); |
| terminate_already_fired = true; |
| } |
| |
| |
| class TerminationThread : public v8::base::Thread { |
| public: |
| explicit TerminationThread(v8::Isolate* isolate) |
| : Thread(Options("terminator")), isolate_(isolate) {} |
| |
| virtual void Run() { |
| terminate_requested_semaphore.Wait(); |
| isolate_->TerminateExecution(); |
| terminate_fired_semaphore.Signal(); |
| } |
| |
| private: |
| v8::Isolate* isolate_; |
| }; |
| |
| |
| TEST(DebugBreakOffThreadTerminate) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Debug::SetDebugEventListener(isolate, DebugBreakTriggerTerminate); |
| TerminationThread terminator(isolate); |
| terminator.Start(); |
| v8::TryCatch try_catch(env->GetIsolate()); |
| v8::Debug::DebugBreak(isolate); |
| CompileRun("while (true);"); |
| CHECK(try_catch.HasTerminated()); |
| } |
| |
| |
| static void DebugEventExpectNoException( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| CHECK_NE(v8::Exception, event); |
| } |
| |
| |
| static void TryCatchWrappedThrowCallback( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch(args.GetIsolate()); |
| CompileRun("throw 'rejection';"); |
| CHECK(try_catch.HasCaught()); |
| } |
| |
| |
| TEST(DebugPromiseInterceptedByTryCatch) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Debug::SetDebugEventListener(isolate, &DebugEventExpectNoException); |
| v8::Local<v8::Context> context = env.context(); |
| ChangeBreakOnException(false, true); |
| |
| v8::Local<v8::FunctionTemplate> fun = |
| v8::FunctionTemplate::New(isolate, TryCatchWrappedThrowCallback); |
| CHECK(env->Global() |
| ->Set(context, v8_str("fun"), |
| fun->GetFunction(context).ToLocalChecked()) |
| .FromJust()); |
| |
| CompileRun("var p = new Promise(function(res, rej) { fun(); res(); });"); |
| CompileRun( |
| "var r;" |
| "p.then(function() { r = 'resolved'; }," |
| " function() { r = 'rejected'; });"); |
| CHECK(CompileRun("r")->Equals(context, v8_str("resolved")).FromJust()); |
| } |
| |
| |
| static int exception_event_counter = 0; |
| |
| |
| static void DebugEventCountException( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| if (event == v8::Exception) exception_event_counter++; |
| } |
| |
| |
| static void ThrowCallback(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CompileRun("throw 'rejection';"); |
| } |
| |
| |
| TEST(DebugPromiseRejectedByCallback) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Debug::SetDebugEventListener(isolate, &DebugEventCountException); |
| v8::Local<v8::Context> context = env.context(); |
| ChangeBreakOnException(false, true); |
| exception_event_counter = 0; |
| |
| v8::Local<v8::FunctionTemplate> fun = |
| v8::FunctionTemplate::New(isolate, ThrowCallback); |
| CHECK(env->Global() |
| ->Set(context, v8_str("fun"), |
| fun->GetFunction(context).ToLocalChecked()) |
| .FromJust()); |
| |
| CompileRun("var p = new Promise(function(res, rej) { fun(); res(); });"); |
| CompileRun( |
| "var r;" |
| "p.then(function() { r = 'resolved'; }," |
| " function(e) { r = 'rejected' + e; });"); |
| CHECK( |
| CompileRun("r")->Equals(context, v8_str("rejectedrejection")).FromJust()); |
| CHECK_EQ(1, exception_event_counter); |
| } |
| |
| |
| static void DebugHarmonyScopingListener( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| if (event != v8::Break) return; |
| |
| int break_id = CcTest::i_isolate()->debug()->break_id(); |
| |
| char script[128]; |
| i::Vector<char> script_vector(script, sizeof(script)); |
| SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id); |
| ExpectInt32(script, 1); |
| |
| SNPrintF(script_vector, "var frame = new FrameMirror(%d, 0);", break_id); |
| CompileRun(script); |
| ExpectInt32("frame.evaluate('x').value_", 1); |
| ExpectInt32("frame.evaluate('y').value_", 2); |
| |
| CompileRun("var allScopes = frame.allScopes()"); |
| ExpectInt32("allScopes.length", 2); |
| |
| ExpectBoolean("allScopes[0].scopeType() === ScopeType.Script", true); |
| |
| ExpectInt32("allScopes[0].scopeObject().value_.x", 1); |
| |
| ExpectInt32("allScopes[0].scopeObject().value_.y", 2); |
| |
| CompileRun("allScopes[0].setVariableValue('x', 5);"); |
| CompileRun("allScopes[0].setVariableValue('y', 6);"); |
| ExpectInt32("frame.evaluate('x + y').value_", 11); |
| } |
| |
| |
| TEST(DebugBreakInLexicalScopes) { |
| i::FLAG_allow_natives_syntax = true; |
| |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Debug::SetDebugEventListener(isolate, DebugHarmonyScopingListener); |
| |
| CompileRun( |
| "'use strict'; \n" |
| "let x = 1; \n"); |
| ExpectInt32( |
| "'use strict'; \n" |
| "let y = 2; \n" |
| "debugger; \n" |
| "x * y", |
| 30); |
| ExpectInt32( |
| "x = 1; y = 2; \n" |
| "debugger;" |
| "x * y", |
| 30); |
| } |
| |
| static int after_compile_handler_depth = 0; |
| static void HandleInterrupt(v8::Isolate* isolate, void* data) { |
| CHECK_EQ(0, after_compile_handler_depth); |
| } |
| |
| static void NoInterruptsOnDebugEvent( |
| const v8::Debug::EventDetails& event_details) { |
| if (event_details.GetEvent() != v8::AfterCompile) return; |
| ++after_compile_handler_depth; |
| // Do not allow nested AfterCompile events. |
| CHECK(after_compile_handler_depth <= 1); |
| v8::Isolate* isolate = event_details.GetEventContext()->GetIsolate(); |
| isolate->RequestInterrupt(&HandleInterrupt, nullptr); |
| CompileRun("function foo() {}; foo();"); |
| --after_compile_handler_depth; |
| } |
| |
| |
| TEST(NoInterruptsInDebugListener) { |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), NoInterruptsOnDebugEvent); |
| CompileRun("void(0);"); |
| } |
| |
| class TestBreakLocation : public i::BreakLocation { |
| public: |
| using i::BreakLocation::GetIterator; |
| using i::BreakLocation::Iterator; |
| }; |
| |
| TEST(BreakLocationIterator) { |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| v8::HandleScope scope(isolate); |
| |
| v8::Local<v8::Value> result = CompileRun( |
| "function f() {\n" |
| " debugger; \n" |
| " f(); \n" |
| " debugger; \n" |
| "} \n" |
| "f"); |
| Handle<i::Object> function_obj = v8::Utils::OpenHandle(*result); |
| Handle<i::JSFunction> function = Handle<i::JSFunction>::cast(function_obj); |
| Handle<i::SharedFunctionInfo> shared(function->shared()); |
| |
| EnableDebugger(isolate); |
| CHECK(i_isolate->debug()->EnsureDebugInfo(shared, function)); |
| |
| Handle<i::DebugInfo> debug_info(shared->GetDebugInfo()); |
| int code_size = debug_info->abstract_code()->Size(); |
| |
| bool found_return = false; |
| bool found_call = false; |
| bool found_debugger = false; |
| |
| // Test public interface. |
| for (int i = 0; i < code_size; i++) { |
| i::BreakLocation location = i::BreakLocation::FromCodeOffset(debug_info, i); |
| if (location.IsCall()) found_call = true; |
| if (location.IsReturn()) found_return = true; |
| if (location.IsDebuggerStatement()) found_debugger = true; |
| } |
| CHECK(found_call); |
| CHECK(found_return); |
| CHECK(found_debugger); |
| |
| // Test underlying implementation. |
| TestBreakLocation::Iterator* iterator = |
| TestBreakLocation::GetIterator(debug_info, i::ALL_BREAK_LOCATIONS); |
| CHECK(iterator->GetBreakLocation().IsDebuggerStatement()); |
| CHECK_EQ(7, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->GetBreakLocation().IsDebugBreakSlot()); |
| CHECK_EQ(22, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->GetBreakLocation().IsCall()); |
| CHECK_EQ(22, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->GetBreakLocation().IsDebuggerStatement()); |
| CHECK_EQ(37, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->GetBreakLocation().IsReturn()); |
| CHECK_EQ(50, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->Done()); |
| delete iterator; |
| |
| iterator = TestBreakLocation::GetIterator(debug_info, i::CALLS_AND_RETURNS); |
| CHECK(iterator->GetBreakLocation().IsCall()); |
| CHECK_EQ(22, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->GetBreakLocation().IsReturn()); |
| CHECK_EQ(50, iterator->GetBreakLocation().position()); |
| iterator->Next(); |
| CHECK(iterator->Done()); |
| delete iterator; |
| |
| DisableDebugger(isolate); |
| } |
| |
| TEST(DisableTailCallElimination) { |
| i::FLAG_allow_natives_syntax = true; |
| i::FLAG_harmony_tailcalls = true; |
| // TODO(ishell, 4698): Investigate why TurboFan in --always-opt mode makes |
| // stack[2].getFunctionName() return null. |
| i::FLAG_turbo_inlining = false; |
| |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| CHECK(v8::Debug::IsTailCallEliminationEnabled(isolate)); |
| |
| CompileRun( |
| "'use strict'; \n" |
| "Error.prepareStackTrace = (error,stack) => { \n" |
| " error.strace = stack; \n" |
| " return error.message + \"\\n at \" + stack.join(\"\\n at \"); \n" |
| "} \n" |
| " \n" |
| "function getCaller() { \n" |
| " var e = new Error(); \n" |
| " e.stack; // prepare stack trace \n" |
| " var stack = e.strace; \n" |
| " %GlobalPrint('caller: '); \n" |
| " %GlobalPrint(stack[2].getFunctionName()); \n" |
| " %GlobalPrint('\\n'); \n" |
| " return stack[2].getFunctionName(); \n" |
| "} \n" |
| "function f() { \n" |
| " var caller = getCaller(); \n" |
| " if (caller === 'g') return 1; \n" |
| " if (caller === 'h') return 2; \n" |
| " return 0; \n" |
| "} \n" |
| "function g() { \n" |
| " return f(); \n" |
| "} \n" |
| "function h() { \n" |
| " var result = g(); \n" |
| " return result; \n" |
| "} \n" |
| "%NeverOptimizeFunction(getCaller); \n" |
| "%NeverOptimizeFunction(f); \n" |
| "%NeverOptimizeFunction(h); \n" |
| ""); |
| ExpectInt32("h();", 2); |
| ExpectInt32("h(); %OptimizeFunctionOnNextCall(g); h();", 2); |
| v8::Debug::SetTailCallEliminationEnabled(isolate, false); |
| CHECK(!v8::Debug::IsTailCallEliminationEnabled(isolate)); |
| ExpectInt32("h();", 1); |
| ExpectInt32("h(); %OptimizeFunctionOnNextCall(g); h();", 1); |
| v8::Debug::SetTailCallEliminationEnabled(isolate, true); |
| CHECK(v8::Debug::IsTailCallEliminationEnabled(isolate)); |
| ExpectInt32("h();", 2); |
| ExpectInt32("h(); %OptimizeFunctionOnNextCall(g); h();", 2); |
| } |
| |
| TEST(DebugStepNextTailCallEliminiation) { |
| i::FLAG_allow_natives_syntax = true; |
| i::FLAG_harmony_tailcalls = true; |
| // TODO(ishell, 4698): Investigate why TurboFan in --always-opt mode makes |
| // stack[2].getFunctionName() return null. |
| i::FLAG_turbo_inlining = false; |
| |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| CHECK(v8::Debug::IsTailCallEliminationEnabled(isolate)); |
| |
| const char* source = |
| "'use strict'; \n" |
| "var Debug = debug.Debug; \n" |
| "var exception = null; \n" |
| "var breaks = 0; \n" |
| "var log = []; \n" |
| "function f(x) { \n" |
| " if (x == 2) { \n" |
| " debugger; // Break a \n" |
| " } \n" |
| " if (x-- > 0) { // Break b \n" |
| " return f(x); // Break c \n" |
| " } \n" |
| "} // Break e \n" |
| "function listener(event, exec_state, event_data, data) {\n" |
| " if (event != Debug.DebugEvent.Break) return; \n" |
| " try { \n" |
| " var line = exec_state.frame(0).sourceLineText(); \n" |
| " var col = exec_state.frame(0).sourceColumn(); \n" |
| " var match = line.match(/\\/\\/ Break (\\w)/); \n" |
| " log.push(match[1] + col); \n" |
| " exec_state.prepareStep(Debug.StepAction.StepNext); \n" |
| " } catch (e) { \n" |
| " exception = e; \n" |
| " }; \n" |
| "}; \n" |
| "Debug.setListener(listener); \n" |
| "f(4); \n" |
| "Debug.setListener(null); // Break d \n"; |
| |
| CompileRun(source); |
| ExpectNull("exception"); |
| ExpectString("JSON.stringify(log)", "[\"a4\",\"b2\",\"c4\",\"c11\",\"d0\"]"); |
| |
| v8::Debug::SetTailCallEliminationEnabled(isolate, false); |
| CompileRun( |
| "log = []; \n" |
| "Debug.setListener(listener); \n" |
| "f(5); \n" |
| "Debug.setListener(null); // Break f \n"); |
| ExpectNull("exception"); |
| ExpectString("JSON.stringify(log)", |
| "[\"a4\",\"b2\",\"c4\",\"e0\",\"e0\",\"e0\",\"e0\",\"f0\"]"); |
| } |
| |
| size_t current_action = 0; |
| StepAction actions[] = {StepNext, StepNext}; |
| static void DebugStepOverFunctionWithCaughtExceptionListener( |
| const v8::Debug::EventDetails& event_details) { |
| v8::DebugEvent event = event_details.GetEvent(); |
| if (event != v8::Break) return; |
| ++break_point_hit_count; |
| if (current_action >= 2) return; |
| PrepareStep(actions[current_action]); |
| } |
| |
| TEST(DebugStepOverFunctionWithCaughtException) { |
| i::FLAG_allow_natives_syntax = true; |
| |
| DebugLocalContext env; |
| v8::Isolate* isolate = env->GetIsolate(); |
| v8::HandleScope scope(isolate); |
| v8::Debug::SetDebugEventListener( |
| isolate, DebugStepOverFunctionWithCaughtExceptionListener); |
| |
| break_point_hit_count = 0; |
| CompileRun( |
| "function foo() {\n" |
| " try { throw new Error(); } catch (e) {}\n" |
| "}\n" |
| "debugger;\n" |
| "foo();\n" |
| "foo();\n"); |
| |
| v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr); |
| CHECK_EQ(break_point_hit_count, 4); |
| } |