| // 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. |
| |
| #ifdef ENABLE_DEBUGGER_SUPPORT |
| |
| #include <stdlib.h> |
| |
| #include "v8.h" |
| |
| #include "api.h" |
| #include "cctest.h" |
| #include "compilation-cache.h" |
| #include "debug.h" |
| #include "deoptimizer.h" |
| #include "platform.h" |
| #include "stub-cache.h" |
| #include "utils.h" |
| |
| |
| using ::v8::internal::EmbeddedVector; |
| using ::v8::internal::Object; |
| using ::v8::internal::OS; |
| using ::v8::internal::Handle; |
| using ::v8::internal::Heap; |
| using ::v8::internal::JSGlobalProxy; |
| using ::v8::internal::Code; |
| using ::v8::internal::Debug; |
| using ::v8::internal::Debugger; |
| using ::v8::internal::CommandMessage; |
| using ::v8::internal::CommandMessageQueue; |
| 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 |
| |
| // --- A d d i t i o n a l C h e c k H e l p e r s |
| |
| |
| // Helper function used by the CHECK_EQ function when given Address |
| // arguments. Should not be called directly. |
| static inline void CheckEqualsHelper(const char* file, int line, |
| const char* expected_source, |
| ::v8::internal::Address expected, |
| const char* value_source, |
| ::v8::internal::Address value) { |
| if (expected != value) { |
| V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n# " |
| "Expected: %i\n# Found: %i", |
| expected_source, value_source, expected, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK_NE function when given Address |
| // arguments. Should not be called directly. |
| static inline void CheckNonEqualsHelper(const char* file, int line, |
| const char* unexpected_source, |
| ::v8::internal::Address unexpected, |
| const char* value_source, |
| ::v8::internal::Address value) { |
| if (unexpected == value) { |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %i", |
| unexpected_source, value_source, value); |
| } |
| } |
| |
| |
| // Helper function used by the CHECK function when given code |
| // arguments. Should not be called directly. |
| static inline void CheckEqualsHelper(const char* file, int line, |
| const char* expected_source, |
| const Code* expected, |
| const char* value_source, |
| const Code* value) { |
| if (expected != value) { |
| V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n# " |
| "Expected: %p\n# Found: %p", |
| expected_source, value_source, expected, value); |
| } |
| } |
| |
| |
| static inline void CheckNonEqualsHelper(const char* file, int line, |
| const char* expected_source, |
| const Code* expected, |
| const char* value_source, |
| const Code* value) { |
| if (expected == value) { |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %p", |
| expected_source, value_source, value); |
| } |
| } |
| |
| |
| // --- 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::ExtensionConfiguration* extensions = 0, |
| v8::Handle<v8::ObjectTemplate> global_template = |
| v8::Handle<v8::ObjectTemplate>(), |
| v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) |
| : context_(v8::Context::New(extensions, global_template, global_object)) { |
| context_->Enter(); |
| } |
| inline ~DebugLocalContext() { |
| context_->Exit(); |
| context_.Dispose(); |
| } |
| inline v8::Context* operator->() { return *context_; } |
| inline v8::Context* operator*() { return *context_; } |
| inline bool IsReady() { return !context_.IsEmpty(); } |
| void ExposeDebug() { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| // Expose the debug context global object in the global object for testing. |
| debug->Load(); |
| debug->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->LookupAsciiSymbol("debug"); |
| SetProperty(global, debug_string, |
| Handle<Object>(debug->debug_context()->global_proxy()), DONT_ENUM, |
| ::v8::internal::kNonStrictMode); |
| } |
| |
| private: |
| v8::Persistent<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 fequested function. |
| static v8::Local<v8::Function> CompileFunction(DebugLocalContext* env, |
| const char* source, |
| const char* function_name) { |
| v8::Script::Compile(v8::String::New(source))->Run(); |
| return v8::Local<v8::Function>::Cast( |
| (*env)->Global()->Get(v8::String::New(function_name))); |
| } |
| |
| |
| // Compile and run the supplied source and return the requested function. |
| static v8::Local<v8::Function> CompileFunction(const char* source, |
| const char* function_name) { |
| v8::Script::Compile(v8::String::New(source))->Run(); |
| return v8::Local<v8::Function>::Cast( |
| v8::Context::GetCurrent()->Global()->Get(v8::String::New(function_name))); |
| } |
| |
| |
| // Is there any debug info for the function? |
| static bool HasDebugInfo(v8::Handle<v8::Function> fun) { |
| Handle<v8::internal::JSFunction> f = v8::Utils::OpenHandle(*fun); |
| Handle<v8::internal::SharedFunctionInfo> shared(f->shared()); |
| return Debug::HasDebugInfo(shared); |
| } |
| |
| |
| // 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; |
| Handle<v8::internal::SharedFunctionInfo> shared(fun->shared()); |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| debug->SetBreakPoint( |
| shared, |
| Handle<Object>(v8::internal::Smi::FromInt(++break_point)), |
| &position); |
| return break_point; |
| } |
| |
| |
| // Set a break point in a function and return the associated break point |
| // number. |
| static int SetBreakPoint(v8::Handle<v8::Function> fun, int position) { |
| return SetBreakPoint(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(const char* function_name, |
| int line, int position) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.setBreakPoint(%s,%d,%d)", |
| function_name, line, position); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Handle<v8::String> str = v8::String::New(buffer.start()); |
| return v8::Script::Compile(str)->Run()->Int32Value(); |
| } |
| |
| |
| // Set a break point in a script identified by id using the global Debug object. |
| static int SetScriptBreakPointByIdFromJS(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. |
| OS::SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointById(%d,%d,%d)", |
| script_id, line, column); |
| } else { |
| // Column not specified set script break point on line. |
| OS::SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointById(%d,%d)", |
| script_id, line); |
| } |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| { |
| v8::TryCatch try_catch; |
| v8::Handle<v8::String> str = v8::String::New(buffer.start()); |
| v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run(); |
| CHECK(!try_catch.HasCaught()); |
| return value->Int32Value(); |
| } |
| } |
| |
| |
| // Set a break point in a script identified by name using the global Debug |
| // object. |
| static int SetScriptBreakPointByNameFromJS(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. |
| OS::SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointByName(\"%s\",%d,%d)", |
| script_name, line, column); |
| } else { |
| // Column not specified set script break point on line. |
| OS::SNPrintF(buffer, |
| "debug.Debug.setScriptBreakPointByName(\"%s\",%d)", |
| script_name, line); |
| } |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| { |
| v8::TryCatch try_catch; |
| v8::Handle<v8::String> str = v8::String::New(buffer.start()); |
| v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run(); |
| CHECK(!try_catch.HasCaught()); |
| return value->Int32Value(); |
| } |
| } |
| |
| |
| // Clear a break point. |
| static void ClearBreakPoint(int break_point) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| debug->ClearBreakPoint( |
| Handle<Object>(v8::internal::Smi::FromInt(break_point))); |
| } |
| |
| |
| // Clear a break point using the global Debug object. |
| static void ClearBreakPointFromJS(int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.clearBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Script::Compile(v8::String::New(buffer.start()))->Run(); |
| } |
| |
| |
| static void EnableScriptBreakPointFromJS(int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.enableScriptBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Script::Compile(v8::String::New(buffer.start()))->Run(); |
| } |
| |
| |
| static void DisableScriptBreakPointFromJS(int break_point_number) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.disableScriptBreakPoint(%d)", |
| break_point_number); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Script::Compile(v8::String::New(buffer.start()))->Run(); |
| } |
| |
| |
| static void ChangeScriptBreakPointConditionFromJS(int break_point_number, |
| const char* condition) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.changeScriptBreakPointCondition(%d, \"%s\")", |
| break_point_number, condition); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Script::Compile(v8::String::New(buffer.start()))->Run(); |
| } |
| |
| |
| static void ChangeScriptBreakPointIgnoreCountFromJS(int break_point_number, |
| int ignoreCount) { |
| EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer; |
| OS::SNPrintF(buffer, |
| "debug.Debug.changeScriptBreakPointIgnoreCount(%d, %d)", |
| break_point_number, ignoreCount); |
| buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0'; |
| v8::Script::Compile(v8::String::New(buffer.start()))->Run(); |
| } |
| |
| |
| // Change break on exception. |
| static void ChangeBreakOnException(bool caught, bool uncaught) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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(bool caught, bool uncaught) { |
| if (caught) { |
| v8::Script::Compile( |
| v8::String::New("debug.Debug.setBreakOnException()"))->Run(); |
| } else { |
| v8::Script::Compile( |
| v8::String::New("debug.Debug.clearBreakOnException()"))->Run(); |
| } |
| if (uncaught) { |
| v8::Script::Compile( |
| v8::String::New("debug.Debug.setBreakOnUncaughtException()"))->Run(); |
| } else { |
| v8::Script::Compile( |
| v8::String::New("debug.Debug.clearBreakOnUncaughtException()"))->Run(); |
| } |
| } |
| |
| |
| // Prepare to step to next break location. |
| static void PrepareStep(StepAction step_action) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| debug->PrepareStep(step_action, 1); |
| } |
| |
| |
| // 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 = Isolate::Current()->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 = |
| 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; |
| } |
| |
| |
| static Handle<Code> ComputeCallDebugBreak(int argc) { |
| return Isolate::Current()->stub_cache()->ComputeCallDebugBreak(argc, |
| Code::CALL_IC); |
| } |
| |
| |
| // 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(Isolate::Current()->debug()->debug_context().is_null()); |
| CHECK_EQ(NULL, Isolate::Current()->debug()->debug_info_list_); |
| |
| // Collect garbage to ensure weak handles are cleared. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| HEAP->CollectAllGarbage(Heap::kMakeHeapIterableMask); |
| |
| // Iterate the head and check that there are no debugger related objects left. |
| HeapIterator iterator; |
| 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()); !it.done(); it.next()) { |
| RelocInfo::Mode rmode = it.rinfo()->rmode(); |
| if (RelocInfo::IsCodeTarget(rmode)) { |
| CHECK(!Debug::IsDebugBreak(it.rinfo()->target_address())); |
| } else if (RelocInfo::IsJSReturn(rmode)) { |
| CHECK(!Debug::IsDebugBreakAtReturn(it.rinfo())); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| |
| void ForceUnloadDebugger() { |
| Isolate::Current()->debugger()->never_unload_debugger_ = false; |
| Isolate::Current()->debugger()->UnloadDebugger(); |
| } |
| |
| |
| } } // namespace v8::internal |
| |
| |
| // Check that the debugger has been fully unloaded. |
| static void CheckDebuggerUnloaded(bool check_functions = false) { |
| // Let debugger to unload itself synchronously |
| v8::Debug::ProcessDebugMessages(); |
| |
| v8::internal::CheckDebuggerUnloaded(check_functions); |
| } |
| |
| |
| // Inherit from BreakLocationIterator to get access to protected parts for |
| // testing. |
| class TestBreakLocationIterator: public v8::internal::BreakLocationIterator { |
| public: |
| explicit TestBreakLocationIterator(Handle<v8::internal::DebugInfo> debug_info) |
| : BreakLocationIterator(debug_info, v8::internal::SOURCE_BREAK_LOCATIONS) {} |
| v8::internal::RelocIterator* it() { return reloc_iterator_; } |
| v8::internal::RelocIterator* it_original() { |
| return reloc_iterator_original_; |
| } |
| }; |
| |
| |
| // Compile a function, set a break point and check that the call at the break |
| // location in the code is the expected debug_break function. |
| void CheckDebugBreakFunction(DebugLocalContext* env, |
| const char* source, const char* name, |
| int position, v8::internal::RelocInfo::Mode mode, |
| Code* debug_break) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| |
| // Create function and set the break point. |
| Handle<v8::internal::JSFunction> fun = v8::Utils::OpenHandle( |
| *CompileFunction(env, source, name)); |
| int bp = SetBreakPoint(fun, position); |
| |
| // Check that the debug break function is as expected. |
| Handle<v8::internal::SharedFunctionInfo> shared(fun->shared()); |
| CHECK(Debug::HasDebugInfo(shared)); |
| TestBreakLocationIterator it1(Debug::GetDebugInfo(shared)); |
| it1.FindBreakLocationFromPosition(position); |
| v8::internal::RelocInfo::Mode actual_mode = it1.it()->rinfo()->rmode(); |
| if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) { |
| actual_mode = v8::internal::RelocInfo::CODE_TARGET; |
| } |
| CHECK_EQ(mode, actual_mode); |
| if (mode != v8::internal::RelocInfo::JS_RETURN) { |
| CHECK_EQ(debug_break, |
| Code::GetCodeFromTargetAddress(it1.it()->rinfo()->target_address())); |
| } else { |
| CHECK(Debug::IsDebugBreakAtReturn(it1.it()->rinfo())); |
| } |
| |
| // Clear the break point and check that the debug break function is no longer |
| // there |
| ClearBreakPoint(bp); |
| CHECK(!debug->HasDebugInfo(shared)); |
| CHECK(debug->EnsureDebugInfo(shared)); |
| TestBreakLocationIterator it2(Debug::GetDebugInfo(shared)); |
| it2.FindBreakLocationFromPosition(position); |
| actual_mode = it2.it()->rinfo()->rmode(); |
| if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) { |
| actual_mode = v8::internal::RelocInfo::CODE_TARGET; |
| } |
| CHECK_EQ(mode, actual_mode); |
| if (mode == v8::internal::RelocInfo::JS_RETURN) { |
| CHECK(!Debug::IsDebugBreakAtReturn(it2.it()->rinfo())); |
| } |
| } |
| |
| |
| // --- 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 picks out the script data for the |
| // top frame. |
| const char* frame_script_data_source = |
| "function frame_script_data(exec_state) {" |
| " return exec_state.frame(0).func().script().data();" |
| "}"; |
| v8::Local<v8::Function> frame_script_data; |
| |
| |
| // Source for the JavaScript function which picks out the script data from |
| // AfterCompile event |
| const char* compiled_script_data_source = |
| "function compiled_script_data(event_data) {" |
| " return event_data.script().data();" |
| "}"; |
| v8::Local<v8::Function> compiled_script_data; |
| |
| |
| // 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::Handle<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 and data for last script hit - used by some |
| // tests. |
| char last_script_name_hit[80]; |
| char last_script_data_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(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| Debug* debug = v8::internal::Isolate::Current()->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::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) }; |
| v8::Handle<v8::Value> result = frame_function_name->Call(exec_state, |
| argc, argv); |
| if (result->IsUndefined()) { |
| last_function_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> function_name(result->ToString()); |
| function_name->WriteAscii(last_function_hit); |
| } |
| } |
| |
| if (!frame_source_line.IsEmpty()) { |
| // Get the source line. |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| v8::Handle<v8::Value> result = frame_source_line->Call(exec_state, |
| argc, argv); |
| CHECK(result->IsNumber()); |
| last_source_line = result->Int32Value(); |
| } |
| |
| if (!frame_source_column.IsEmpty()) { |
| // Get the source column. |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| v8::Handle<v8::Value> result = frame_source_column->Call(exec_state, |
| argc, argv); |
| CHECK(result->IsNumber()); |
| last_source_column = result->Int32Value(); |
| } |
| |
| if (!frame_script_name.IsEmpty()) { |
| // Get the script name of the function script. |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| v8::Handle<v8::Value> result = frame_script_name->Call(exec_state, |
| argc, argv); |
| if (result->IsUndefined()) { |
| last_script_name_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> script_name(result->ToString()); |
| script_name->WriteAscii(last_script_name_hit); |
| } |
| } |
| |
| if (!frame_script_data.IsEmpty()) { |
| // Get the script data of the function script. |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| v8::Handle<v8::Value> result = frame_script_data->Call(exec_state, |
| argc, argv); |
| if (result->IsUndefined()) { |
| last_script_data_hit[0] = '\0'; |
| } else { |
| result = result->ToString(); |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> script_data(result->ToString()); |
| script_data->WriteAscii(last_script_data_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(); |
| } |
| } else if (event == v8::AfterCompile && !compiled_script_data.IsEmpty()) { |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { event_data }; |
| v8::Handle<v8::Value> result = compiled_script_data->Call(exec_state, |
| argc, argv); |
| if (result->IsUndefined()) { |
| last_script_data_hit[0] = '\0'; |
| } else { |
| result = result->ToString(); |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> script_data(result->ToString()); |
| script_data->WriteAscii(last_script_data_hit); |
| } |
| } |
| } |
| |
| |
| // 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; |
| |
| static void DebugEventCounterClear() { |
| break_point_hit_count = 0; |
| exception_hit_count = 0; |
| uncaught_exception_hit_count = 0; |
| } |
| |
| static void DebugEventCounter(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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::String::New("uncaught"); |
| v8::Local<v8::Function> fun = |
| v8::Function::Cast(*event_data->Get(fun_name)); |
| v8::Local<v8::Value> result = *fun->Call(event_data, 0, NULL); |
| 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::Handle<v8::Value> argv[kArgc] = { exec_state }; |
| // Using exec_state as receiver is just to have a receiver. |
| v8::Handle<v8::Value> result = frame_count->Call(exec_state, kArgc, argv); |
| last_js_stack_height = result->Int32Value(); |
| } |
| } |
| |
| |
| // 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::Handle<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(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(debug->break_id(), 0); |
| |
| if (event == v8::Break) { |
| for (int i = 0; checks[i].expr != NULL; i++) { |
| const int argc = 3; |
| v8::Handle<v8::Value> argv[argc] = { exec_state, |
| v8::String::New(checks[i].expr), |
| checks[i].expected }; |
| v8::Handle<v8::Value> result = |
| evaluate_check_function->Call(exec_state, argc, argv); |
| if (!result->IsTrue()) { |
| v8::String::AsciiValue ascii(checks[i].expected->ToString()); |
| V8_Fatal(__FILE__, __LINE__, "%s != %s", checks[i].expr, *ascii); |
| } |
| } |
| } |
| } |
| |
| |
| // This debug event listener removes a breakpoint in a function |
| int debug_event_remove_break_point = 0; |
| static void DebugEventRemoveBreakPoint(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) }; |
| v8::Handle<v8::Value> result = frame_function_name->Call(exec_state, |
| argc, argv); |
| CHECK(result->IsString()); |
| v8::String::AsciiValue function_name(result->ToString()); |
| 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( |
| v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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. |
| HEAP->CollectGarbage(v8::internal::NEW_SPACE); |
| } else { |
| // Mark sweep compact. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| } |
| } |
| } |
| |
| |
| // Debug event handler which re-issues a debug break and calls the garbage |
| // collector to have the heap verified. |
| static void DebugEventBreak(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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. |
| HEAP->CollectGarbage(v8::internal::NEW_SPACE); |
| |
| // Set the break flag again to come back here as soon as possible. |
| v8::Debug::DebugBreak(); |
| } |
| } |
| |
| |
| // 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(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->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++; |
| |
| // Collect the JavsScript stack height if the function frame_count is |
| // compiled. |
| if (!frame_count.IsEmpty()) { |
| static const int kArgc = 1; |
| v8::Handle<v8::Value> argv[kArgc] = { exec_state }; |
| // Using exec_state as receiver is just to have a receiver. |
| v8::Handle<v8::Value> result = |
| frame_count->Call(exec_state, kArgc, argv); |
| last_js_stack_height = result->Int32Value(); |
| } |
| |
| // Set the break flag again to come back here as soon as possible. |
| v8::Debug::DebugBreak(); |
| |
| } else if (terminate_after_max_break_point_hit) { |
| // Terminate execution after the last break if requested. |
| v8::V8::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(); |
| } |
| } |
| } |
| |
| |
| // --- 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::Handle<v8::Message> message, |
| v8::Handle<v8::Value> data) { |
| message_callback_count++; |
| } |
| |
| |
| // --- T h e A c t u a l T e s t s |
| |
| |
| // Test that the debug break function is the expected one for different kinds |
| // of break locations. |
| TEST(DebugStub) { |
| using ::v8::internal::Builtins; |
| using ::v8::internal::Isolate; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| CheckDebugBreakFunction(&env, |
| "function f1(){}", "f1", |
| 0, |
| v8::internal::RelocInfo::JS_RETURN, |
| NULL); |
| CheckDebugBreakFunction(&env, |
| "function f2(){x=1;}", "f2", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| Isolate::Current()->builtins()->builtin( |
| Builtins::kStoreIC_DebugBreak)); |
| CheckDebugBreakFunction(&env, |
| "function f3(){var a=x;}", "f3", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| Isolate::Current()->builtins()->builtin( |
| Builtins::kLoadIC_DebugBreak)); |
| |
| // TODO(1240753): Make the test architecture independent or split |
| // parts of the debugger into architecture dependent files. This |
| // part currently disabled as it is not portable between IA32/ARM. |
| // Currently on ICs for keyed store/load on ARM. |
| #if !defined (__arm__) && !defined(__thumb__) |
| CheckDebugBreakFunction( |
| &env, |
| "function f4(){var index='propertyName'; var a={}; a[index] = 'x';}", |
| "f4", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET, |
| Isolate::Current()->builtins()->builtin( |
| Builtins::kKeyedStoreIC_DebugBreak)); |
| CheckDebugBreakFunction( |
| &env, |
| "function f5(){var index='propertyName'; var a={}; return a[index];}", |
| "f5", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET, |
| Isolate::Current()->builtins()->builtin( |
| Builtins::kKeyedLoadIC_DebugBreak)); |
| #endif |
| |
| // Check the debug break code stubs for call ICs with different number of |
| // parameters. |
| Handle<Code> debug_break_0 = v8::internal::ComputeCallDebugBreak(0); |
| Handle<Code> debug_break_1 = v8::internal::ComputeCallDebugBreak(1); |
| Handle<Code> debug_break_4 = v8::internal::ComputeCallDebugBreak(4); |
| |
| CheckDebugBreakFunction(&env, |
| "function f4_0(){x();}", "f4_0", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| *debug_break_0); |
| |
| CheckDebugBreakFunction(&env, |
| "function f4_1(){x(1);}", "f4_1", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| *debug_break_1); |
| |
| CheckDebugBreakFunction(&env, |
| "function f4_4(){x(1,2,3,4);}", "f4_4", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| *debug_break_4); |
| } |
| |
| |
| // Test that the debug info in the VM is in sync with the functions being |
| // debugged. |
| TEST(DebugInfo) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| // 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)); |
| // 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); |
| 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; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function foo(){bar=0;}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that a break point can be set at an IC load location. |
| TEST(BreakPointICLoad) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("bar=1"))->Run(); |
| v8::Script::Compile(v8::String::New("function foo(){var x=bar;}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location. |
| TEST(BreakPointICCall) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function bar(){}"))->Run(); |
| v8::Script::Compile(v8::String::New("function foo(){bar();}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location and survive a GC. |
| TEST(BreakPointICCallWithGC) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function bar(){return 1;}"))->Run(); |
| v8::Script::Compile(v8::String::New("function foo(){return bar();}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that a break point can be set at an IC call location and survive a GC. |
| TEST(BreakPointConstructCallWithGC) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function bar(){ this.x = 1;}"))->Run(); |
| v8::Script::Compile(v8::String::New( |
| "function foo(){return new bar(1).x;}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint. |
| int bp = SetBreakPoint(foo, 0); |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value()); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPoint(bp); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that a break point can be set at a return store location. |
| TEST(BreakPointReturn) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function foo(){}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // Run without breakpoints. |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with breakpoint |
| int bp = SetBreakPoint(foo, 0); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, last_source_line); |
| CHECK_EQ(15, last_source_column); |
| foo->Call(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| static void CallWithBreakPoints(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(recv, 0, NULL); |
| CHECK_EQ((i + 1) * break_point_count, break_point_hit_count); |
| } |
| } |
| |
| // Test GC during break point processing. |
| TEST(GCDuringBreakPointProcessing) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage, |
| v8::Undefined()); |
| 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(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(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(env->Global(), foo, 1, 10); |
| |
| // Test return break point with garbage collection. |
| foo = CompileFunction(&env, "function foo(){}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallWithBreakPoints(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(env->Global(), foo, 1, 25); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // 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::Object> recv, |
| v8::Local<v8::Function> f) { |
| break_point_hit_count = 0; |
| |
| for (int i = 0; i < 3; i++) { |
| // Call function. |
| f->Call(recv, 0, NULL); |
| CHECK_EQ(1 + i * 3, break_point_hit_count); |
| |
| // Scavenge and call function. |
| HEAP->CollectGarbage(v8::internal::NEW_SPACE); |
| f->Call(recv, 0, NULL); |
| CHECK_EQ(2 + i * 3, break_point_hit_count); |
| |
| // Mark sweep (and perhaps compact) and call function. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| f->Call(recv, 0, NULL); |
| 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; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| 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(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(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(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(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(env->Global(), foo); |
| |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that break points can be set using the global Debug object. |
| TEST(BreakPointThroughJavaScript) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function bar(){}"))->Run(); |
| v8::Script::Compile(v8::String::New("function foo(){bar();bar();}"))->Run(); |
| // 012345678901234567890 |
| // 1 2 |
| // Break points are set at position 3 and 9 |
| v8::Local<v8::Script> foo = v8::Script::Compile(v8::String::New("foo()")); |
| |
| // Run without breakpoints. |
| foo->Run(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Run with one breakpoint |
| int bp1 = SetBreakPointFromJS("foo", 0, 3); |
| foo->Run(); |
| CHECK_EQ(1, break_point_hit_count); |
| foo->Run(); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Run with two breakpoints |
| int bp2 = SetBreakPointFromJS("foo", 0, 9); |
| foo->Run(); |
| CHECK_EQ(4, break_point_hit_count); |
| foo->Run(); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Run with one breakpoint |
| ClearBreakPointFromJS(bp2); |
| foo->Run(); |
| CHECK_EQ(7, break_point_hit_count); |
| foo->Run(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| // Run without breakpoints. |
| ClearBreakPointFromJS(bp1); |
| foo->Run(); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // 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; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script = v8::String::New( |
| "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::String::New("test")); |
| v8::Script::Compile(script, &origin)->Run(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| v8::Local<v8::Function> g = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g"))); |
| |
| // Call f and g without break points. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 12. |
| int sbp1 = SetScriptBreakPointByNameFromJS("test", 12, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Remove the break point again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(sbp1); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 2. |
| int sbp2 = SetScriptBreakPointByNameFromJS("test", 2, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| 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("test", 4, 0); |
| int sbp4 = SetScriptBreakPointByNameFromJS("test", 12, 0); |
| int sbp5 = SetScriptBreakPointByNameFromJS("test", 14, 0); |
| int sbp6 = SetScriptBreakPointByNameFromJS("test", 15, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Remove all the break points again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(sbp2); |
| ClearBreakPointFromJS(sbp3); |
| ClearBreakPointFromJS(sbp4); |
| ClearBreakPointFromJS(sbp5); |
| ClearBreakPointFromJS(sbp6); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // 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; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> source = v8::String::New( |
| "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::String::New("test")); |
| v8::Local<v8::Script> script = v8::Script::Compile(source, &origin); |
| script->Run(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| v8::Local<v8::Function> g = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g"))); |
| |
| // Get the script id knowing that internally it is a 32 integer. |
| uint32_t script_id = script->Id()->Uint32Value(); |
| |
| // Call f and g without break points. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 12. |
| int sbp1 = SetScriptBreakPointByIdFromJS(script_id, 12, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Remove the break point again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(sbp1); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Call f and g with break point on line 2. |
| int sbp2 = SetScriptBreakPointByIdFromJS(script_id, 2, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| 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(script_id, 4, 0); |
| int sbp4 = SetScriptBreakPointByIdFromJS(script_id, 12, 0); |
| int sbp5 = SetScriptBreakPointByIdFromJS(script_id, 14, 0); |
| int sbp6 = SetScriptBreakPointByIdFromJS(script_id, 15, 0); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Remove all the break points again. |
| break_point_hit_count = 0; |
| ClearBreakPointFromJS(sbp2); |
| ClearBreakPointFromJS(sbp3); |
| ClearBreakPointFromJS(sbp4); |
| ClearBreakPointFromJS(sbp5); |
| ClearBreakPointFromJS(sbp6); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // 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; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script = v8::String::New( |
| "function f() {\n" |
| " a = 0; // line 1\n" |
| "};"); |
| |
| // Compile the script and get function f. |
| v8::ScriptOrigin origin = |
| v8::ScriptOrigin(v8::String::New("test")); |
| v8::Script::Compile(script, &origin)->Run(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Set script break point on line 1 (in function f). |
| int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0); |
| |
| // Call f while enabeling and disabling the script break point. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| DisableScriptBreakPointFromJS(sbp); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| EnableScriptBreakPointFromJS(sbp); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| DisableScriptBreakPointFromJS(sbp); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Reload the script and get f again checking that the disabeling survives. |
| v8::Script::Compile(script, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| EnableScriptBreakPointFromJS(sbp); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test conditional script break points. |
| TEST(ConditionalScriptBreakPoint) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script = v8::String::New( |
| "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::ScriptOrigin origin = |
| v8::ScriptOrigin(v8::String::New("test")); |
| v8::Script::Compile(script, &origin)->Run(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Set script break point on line 5 (in function g). |
| int sbp1 = SetScriptBreakPointByNameFromJS("test", 5, 0); |
| |
| // Call f with different conditions on the script break point. |
| break_point_hit_count = 0; |
| ChangeScriptBreakPointConditionFromJS(sbp1, "false"); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| ChangeScriptBreakPointConditionFromJS(sbp1, "true"); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| ChangeScriptBreakPointConditionFromJS(sbp1, "x % 2 == 0"); |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env->Global(), 0, NULL); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Reload the script and get f again checking that the condition survives. |
| v8::Script::Compile(script, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env->Global(), 0, NULL); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test ignore count on script break points. |
| TEST(ScriptBreakPointIgnoreCount) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script = v8::String::New( |
| "function f() {\n" |
| " a = 0; // line 1\n" |
| "};"); |
| |
| // Compile the script and get function f. |
| v8::ScriptOrigin origin = |
| v8::ScriptOrigin(v8::String::New("test")); |
| v8::Script::Compile(script, &origin)->Run(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Set script break point on line 1 (in function f). |
| int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0); |
| |
| // Call f with different ignores on the script break point. |
| break_point_hit_count = 0; |
| ChangeScriptBreakPointIgnoreCountFromJS(sbp, 1); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| ChangeScriptBreakPointIgnoreCountFromJS(sbp, 5); |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env->Global(), 0, NULL); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Reload the script and get f again checking that the ignore survives. |
| v8::Script::Compile(script, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| break_point_hit_count = 0; |
| for (int i = 0; i < 10; i++) { |
| f->Call(env->Global(), 0, NULL); |
| } |
| CHECK_EQ(5, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that script break points survive when a script is reloaded. |
| TEST(ScriptBreakPointReload) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script = v8::String::New( |
| "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::String::New("1")); |
| v8::ScriptOrigin origin_2 = v8::ScriptOrigin(v8::String::New("2")); |
| |
| // Set a script break point before the script is loaded. |
| SetScriptBreakPointByNameFromJS("1", 2, 0); |
| |
| // Compile the script and get the function. |
| v8::Script::Compile(script, &origin_1)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Compile the script again with a different script data and get the |
| // function. |
| v8::Script::Compile(script, &origin_2)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Call f and check that no break points are set. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Compile the script again and get the function. |
| v8::Script::Compile(script, &origin_1)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test when several scripts has the same script data |
| TEST(ScriptBreakPointMultiple) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script_f = v8::String::New( |
| "function f() {\n" |
| " a = 0; // line 1\n" |
| "}"); |
| |
| v8::Local<v8::Function> g; |
| v8::Local<v8::String> script_g = v8::String::New( |
| "function g() {\n" |
| " b = 0; // line 1\n" |
| "}"); |
| |
| v8::ScriptOrigin origin = |
| v8::ScriptOrigin(v8::String::New("test")); |
| |
| // Set a script break point before the scripts are loaded. |
| int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0); |
| |
| // Compile the scripts with same script data and get the functions. |
| v8::Script::Compile(script_f, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| v8::Script::Compile(script_g, &origin)->Run(); |
| g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g"))); |
| |
| // Call f and g and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Clear the script break point. |
| ClearBreakPointFromJS(sbp); |
| |
| // Call f and g and check that the script break point is no longer active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set script break point with the scripts loaded. |
| sbp = SetScriptBreakPointByNameFromJS("test", 1, 0); |
| |
| // Call f and g and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test the script origin which has both name and line offset. |
| TEST(ScriptBreakPointLineOffset) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::Function> f; |
| v8::Local<v8::String> script = v8::String::New( |
| "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::String::New("test.html"), |
| v8::Integer::New(7)); |
| |
| // Set two script break points before the script is loaded. |
| int sbp1 = SetScriptBreakPointByNameFromJS("test.html", 8, 0); |
| int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 9, 0); |
| |
| // Compile the script and get the function. |
| v8::Script::Compile(script, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Clear the script break points. |
| ClearBreakPointFromJS(sbp1); |
| ClearBreakPointFromJS(sbp2); |
| |
| // Call f and check that no script break points are active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set a script break point with the script loaded. |
| sbp1 = SetScriptBreakPointByNameFromJS("test.html", 9, 0); |
| |
| // Call f and check that the script break point is active. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test script break points set on lines. |
| TEST(ScriptBreakPointLine) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| 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(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::Function> f; |
| v8::Local<v8::Function> g; |
| v8::Local<v8::String> script = v8::String::New( |
| "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("test.html", 0, -1); |
| int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 1, -1); |
| int sbp3 = SetScriptBreakPointByNameFromJS("test.html", 5, -1); |
| |
| // Compile the script and get the function. |
| break_point_hit_count = 0; |
| v8::ScriptOrigin origin(v8::String::New("test.html"), v8::Integer::New(0)); |
| v8::Script::Compile(script, &origin)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g"))); |
| |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ("f", last_function_hit); |
| |
| // Call g and check that the script break point. |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(3, break_point_hit_count); |
| CHECK_EQ("g", last_function_hit); |
| |
| // Clear the script break point on g and set one on h. |
| ClearBreakPointFromJS(sbp3); |
| int sbp4 = SetScriptBreakPointByNameFromJS("test.html", 6, -1); |
| |
| // Call g and check that the script break point in h is hit. |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(4, break_point_hit_count); |
| CHECK_EQ("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(sbp2); |
| ClearBreakPointFromJS(sbp4); |
| int sbp5 = SetScriptBreakPointByNameFromJS("test.html", 4, -1); |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| g->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Reload the script which should hit two break points. |
| break_point_hit_count = 0; |
| v8::Script::Compile(script, &origin)->Run(); |
| 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("test.html", 12, -1); |
| |
| // Reload the script which should hit three break points. |
| break_point_hit_count = 0; |
| v8::Script::Compile(script, &origin)->Run(); |
| 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(sbp1); |
| ClearBreakPointFromJS(sbp5); |
| ClearBreakPointFromJS(sbp6); |
| break_point_hit_count = 0; |
| v8::Script::Compile(script, &origin)->Run(); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test top level script break points set on lines. |
| TEST(ScriptBreakPointLineTopLevel) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script = v8::String::New( |
| "function f() {\n" |
| " a = 1; // line 1\n" |
| "}\n" |
| "a = 2; // line 3\n"); |
| v8::Local<v8::Function> f; |
| { |
| v8::HandleScope scope; |
| v8::Script::Compile(script, v8::String::New("test.html"))->Run(); |
| } |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| SetScriptBreakPointByNameFromJS("test.html", 3, -1); |
| |
| // Call f and check that there was no break points. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Recompile and run script and check that break point was hit. |
| break_point_hit_count = 0; |
| v8::Script::Compile(script, v8::String::New("test.html"))->Run(); |
| 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(v8::String::New("f"))); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| v8::Local<v8::String> script_source = v8::String::New( |
| "function f() {\n" |
| " return 0;\n" |
| "}\n" |
| "f()"); |
| |
| int sbp1 = SetScriptBreakPointByNameFromJS("test.html", 3, -1); |
| { |
| v8::HandleScope scope; |
| break_point_hit_count = 0; |
| v8::Script::Compile(script_source, v8::String::New("test.html"))->Run(); |
| CHECK_EQ(1, break_point_hit_count); |
| } |
| |
| int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 3, -1); |
| ClearBreakPointFromJS(sbp1); |
| ClearBreakPointFromJS(sbp2); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that it is possible to remove the last break point for a function |
| // inside the break handling of that break point. |
| TEST(RemoveBreakPointInBreak) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Local<v8::Function> foo = |
| CompileFunction(&env, "function foo(){a=1;}", "foo"); |
| debug_event_remove_break_point = SetBreakPoint(foo, 0); |
| |
| // Register the debug event listener pasing the function |
| v8::Debug::SetDebugEventListener(DebugEventRemoveBreakPoint, foo); |
| |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that the debugger statement causes a break. |
| TEST(DebuggerStatement) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function bar(){debugger}"))->Run(); |
| v8::Script::Compile(v8::String::New( |
| "function foo(){debugger;debugger;}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| v8::Local<v8::Function> bar = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("bar"))); |
| |
| // Run function with debugger statement |
| bar->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Run function with two debugger statement |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test setting a breakpoint on the debugger statement. |
| TEST(DebuggerStatementBreakpoint) { |
| break_point_hit_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| v8::Script::Compile(v8::String::New("function foo(){debugger;}"))->Run(); |
| v8::Local<v8::Function> foo = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo"))); |
| |
| // The debugger statement triggers breakpint hit |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| int bp = SetBreakPoint(foo, 0); |
| |
| // Set breakpoint does not duplicate hits |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| ClearBreakPoint(bp); |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Thest that the evaluation of expressions when a break point is hit generates |
| // the correct results. |
| TEST(DebugEvaluate) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| 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(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()}, |
| {"a", v8::Undefined()}, |
| {NULL, v8::Handle<v8::Value>()} |
| }; |
| struct EvaluateCheck checks_hu[] = { |
| {"x", v8::String::New("Hello, world!")}, |
| {"a", v8::Undefined()}, |
| {NULL, v8::Handle<v8::Value>()} |
| }; |
| struct EvaluateCheck checks_hh[] = { |
| {"x", v8::String::New("Hello, world!")}, |
| {"a", v8::String::New("Hello, world!")}, |
| {NULL, v8::Handle<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 barbar 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; |
| |
| // Arguments with one parameter "Hello, world!" |
| v8::Handle<v8::Value> argv_foo[1] = { v8::String::New("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(env->Global(), 0, NULL); |
| |
| // Call foo with breakpoint set before a=x and parameter "Hello, world!". |
| checks = checks_hu; |
| foo->Call(env->Global(), 1, argv_foo); |
| |
| // 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(env->Global(), 1, argv_foo); |
| |
| // 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::Handle<v8::Value> argv_bar_1[2] = { |
| v8::Undefined(), |
| v8::Number::New(barbar_break_position) |
| }; |
| bar->Call(env->Global(), 2, argv_bar_1); |
| |
| // Call bar setting breakpoint before a=x in barbar and parameter |
| // "Hello, world!". |
| checks = checks_hu; |
| v8::Handle<v8::Value> argv_bar_2[2] = { |
| v8::String::New("Hello, world!"), |
| v8::Number::New(barbar_break_position) |
| }; |
| bar->Call(env->Global(), 2, argv_bar_2); |
| |
| // Call bar setting breakpoint after a=x in barbar and parameter |
| // "Hello, world!". |
| checks = checks_hh; |
| v8::Handle<v8::Value> argv_bar_3[2] = { |
| v8::String::New("Hello, world!"), |
| v8::Number::New(barbar_break_position + 1) |
| }; |
| bar->Call(env->Global(), 2, argv_bar_3); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| // 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; |
| } |
| OS::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 uint16_t* message, |
| int length, |
| v8::Debug::ClientData* client_data) { |
| |
| const int kBufferSize = 100000; |
| char print_buffer[kBufferSize]; |
| Utf16ToAscii(message, length, print_buffer, kBufferSize); |
| |
| EvaluateResult* array_item = process_debug_messages_data.current(); |
| |
| bool res = GetEvaluateStringResult(print_buffer, |
| 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) { |
| v8::Debug::SetMessageHandler(DebugProcessDebugMessagesHandler); |
| |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| const char* source = |
| "var v1 = 'Pinguin';\n function getAnimal() { return 'Capy' + 'bara'; }"; |
| |
| v8::Script::Compile(v8::String::New(source))->Run(); |
| |
| v8::Debug::ProcessDebugMessages(); |
| |
| 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::Debug::SendCommand(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(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(buffer, AsciiToUtf16(command_113, buffer)); |
| |
| v8::Debug::ProcessDebugMessages(); |
| |
| 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(NULL); |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Simple test of the stepping mechanism using only store ICs. |
| TEST(DebugStepLinear) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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();"); |
| |
| SetBreakPoint(foo, 3); |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(4, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount); |
| |
| SetBreakPoint(foo, 3); |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test of the stepping mechanism for keyed load in a loop. |
| TEST(DebugStepKeyedLoadLoop) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(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"); |
| |
| // Create array [0,1,2,3,4,5,6,7,8,9] |
| v8::Local<v8::Array> a = v8::Array::New(10); |
| for (int i = 0; i < 10; i++) { |
| a->Set(v8::Number::New(i), v8::Number::New(i)); |
| } |
| |
| // Call function without any break points to ensure inlining is in place. |
| const int kArgc = 1; |
| v8::Handle<v8::Value> args[kArgc] = { a }; |
| foo->Call(env->Global(), kArgc, args); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), kArgc, args); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(33, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test of the stepping mechanism for keyed store in a loop. |
| TEST(DebugStepKeyedStoreLoop) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(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"); |
| |
| // Create array [0,1,2,3,4,5,6,7,8,9] |
| v8::Local<v8::Array> a = v8::Array::New(10); |
| for (int i = 0; i < 10; i++) { |
| a->Set(v8::Number::New(i), v8::Number::New(i)); |
| } |
| |
| // Call function without any break points to ensure inlining is in place. |
| const int kArgc = 1; |
| v8::Handle<v8::Value> args[kArgc] = { a }; |
| foo->Call(env->Global(), kArgc, args); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), kArgc, args); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(32, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test of the stepping mechanism for named load in a loop. |
| TEST(DebugStepNamedLoadLoop) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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(env->Global(), 0, NULL); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 4); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(53, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| static void DoDebugStepNamedStoreLoop(int expected) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // Create a function for testing stepping of named store. |
| 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(env->Global(), 0, NULL); |
| |
| // Set up break point and step through the function. |
| SetBreakPoint(foo, 3); |
| step_action = StepNext; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // With stepping all expected break locations are hit. |
| CHECK_EQ(expected, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test of the stepping mechanism for named load in a loop. |
| TEST(DebugStepNamedStoreLoop) { |
| DoDebugStepNamedStoreLoop(22); |
| } |
| |
| |
| // Test the stepping mechanism with different ICs. |
| TEST(DebugStepLinearMixedICs) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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(env->Global(), 0, NULL); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(11, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount); |
| |
| SetBreakPoint(foo, 0); |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepDeclarations) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepLocals) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepIf) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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::Handle<v8::Value> argv_true[argc] = { v8::True() }; |
| foo->Call(env->Global(), argc, argv_true); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Stepping through the false part. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_false[argc] = { v8::False() }; |
| foo->Call(env->Global(), argc, argv_false); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepSwitch) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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::Handle<v8::Value> argv_1[argc] = { v8::Number::New(1) }; |
| foo->Call(env->Global(), argc, argv_1); |
| CHECK_EQ(6, break_point_hit_count); |
| |
| // Another case. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_2[argc] = { v8::Number::New(2) }; |
| foo->Call(env->Global(), argc, argv_2); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Last case. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_3[argc] = { v8::Number::New(3) }; |
| foo->Call(env->Global(), argc, argv_3); |
| CHECK_EQ(7, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepWhile) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) }; |
| foo->Call(env->Global(), argc, argv_10); |
| CHECK_EQ(22, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) }; |
| foo->Call(env->Global(), argc, argv_100); |
| CHECK_EQ(202, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepDoWhile) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) }; |
| foo->Call(env->Global(), argc, argv_10); |
| CHECK_EQ(22, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) }; |
| foo->Call(env->Global(), argc, argv_100); |
| CHECK_EQ(202, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepFor) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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 10 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) }; |
| foo->Call(env->Global(), argc, argv_10); |
| CHECK_EQ(23, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) }; |
| foo->Call(env->Global(), argc, argv_100); |
| CHECK_EQ(203, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepForContinue) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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::Handle<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::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) }; |
| result = foo->Call(env->Global(), argc, argv_10); |
| CHECK_EQ(5, result->Int32Value()); |
| CHECK_EQ(50, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) }; |
| result = foo->Call(env->Global(), argc, argv_100); |
| CHECK_EQ(50, result->Int32Value()); |
| CHECK_EQ(455, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepForBreak) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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::Handle<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::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) }; |
| result = foo->Call(env->Global(), argc, argv_10); |
| CHECK_EQ(9, result->Int32Value()); |
| CHECK_EQ(53, break_point_hit_count); |
| |
| // Looping 100 times. |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) }; |
| result = foo->Call(env->Global(), argc, argv_100); |
| CHECK_EQ(99, result->Int32Value()); |
| CHECK_EQ(503, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepForIn) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(6, 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(env->Global(), 0, NULL); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugStepWith) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // 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()"; |
| env->Global()->Set(v8::String::New("b"), v8::Object::New()); |
| v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo"); |
| v8::Handle<v8::Value> result; |
| SetBreakPoint(foo, 8); // "var a = {};" |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(4, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugConditional) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which steps and counts. |
| v8::Debug::SetDebugEventListener(DebugEventStep); |
| |
| // Create a function for testing stepping. Run it to allow it to get |
| // optimized. |
| const char* src = "function foo(x) { " |
| " var a;" |
| " a = x ? 1 : 2;" |
| " return a;" |
| "}" |
| "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(env->Global(), 0, NULL); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| const int argc = 1; |
| v8::Handle<v8::Value> argv_true[argc] = { v8::True() }; |
| foo->Call(env->Global(), argc, argv_true); |
| CHECK_EQ(5, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(StepInOutSimple) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStepSequence); |
| |
| // 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(StepInOutTree) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStepSequence); |
| |
| // 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(true); |
| } |
| |
| |
| TEST(StepInOutBranch) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStepSequence); |
| |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that step in does not step into native functions. |
| TEST(DebugStepNatives) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStep); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(3, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // Without stepping only active break points are hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that step in works with function.apply. |
| TEST(DebugStepFunctionApply) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStep); |
| |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // With stepping all break locations are hit. |
| CHECK_EQ(7, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // Without stepping only the debugger statement is hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Test that step in works with function.call. |
| TEST(DebugStepFunctionCall) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStep); |
| step_action = StepIn; |
| |
| // Check stepping where the if condition in bar is false. |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| 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::Handle<v8::Value> argv[argc] = { v8::True() }; |
| foo->Call(env->Global(), argc, argv); |
| CHECK_EQ(8, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Register a debug event listener which just counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount); |
| |
| break_point_hit_count = 0; |
| foo->Call(env->Global(), 0, NULL); |
| |
| // Without stepping only the debugger statement is hit. |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Tests that breakpoint will be hit if it's set in script. |
| TEST(PauseInScript) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| // Register a debug event listener which counts. |
| v8::Debug::SetDebugEventListener(DebugEventCounter); |
| |
| // Create a script that returns a function. |
| const char* src = "(function (evt) {})"; |
| const char* script_name = "StepInHandlerTest"; |
| |
| // Set breakpoint in the script. |
| SetScriptBreakPointByNameFromJS(script_name, 0, -1); |
| break_point_hit_count = 0; |
| |
| v8::ScriptOrigin origin(v8::String::New(script_name), v8::Integer::New(0)); |
| v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(src), |
| &origin); |
| v8::Local<v8::Value> r = script->Run(); |
| |
| CHECK(r->IsFunction()); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::internal::Isolate::Current()->TraceException(false); |
| |
| // 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::V8::AddMessageListener(MessageCallbackCount); |
| v8::Debug::SetDebugEventListener(DebugEventCounter); |
| |
| // Initial state should be no break on exceptions. |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // No break on exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(false, false); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on uncaught exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(false, true); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on exception and uncaught exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(true, true); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on exception |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnException(true, false); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // No break on exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(false, false); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on uncaught exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(false, true); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on exception and uncaught exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(true, true); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| // Break on exception using JavaScript |
| DebugEventCounterClear(); |
| MessageCallbackCountClear(); |
| ChangeBreakOnExceptionFromJS(true, false); |
| caught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, exception_hit_count); |
| CHECK_EQ(0, uncaught_exception_hit_count); |
| CHECK_EQ(0, message_callback_count); |
| notCaught->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, exception_hit_count); |
| CHECK_EQ(1, uncaught_exception_hit_count); |
| CHECK_EQ(1, message_callback_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| v8::V8::RemoveMessageListeners(MessageCallbackCount); |
| } |
| |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // For this test, we want to break on uncaught exceptions: |
| ChangeBreakOnException(false, true); |
| |
| v8::internal::Isolate::Current()->TraceException(false); |
| |
| // Create a function for checking the function when hitting a break point. |
| frame_count = CompileFunction(&env, frame_count_source, "frame_count"); |
| |
| v8::V8::AddMessageListener(MessageCallbackCount); |
| v8::Debug::SetDebugEventListener(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 |
| v8::Script::Compile(v8::String::New("+++")); |
| 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 |
| v8::Script::Compile(v8::String::New("x x")); |
| 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 |
| v8::Script::Compile(v8::String::New("eval('+++')"))->Run(); |
| 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 |
| v8::Script::Compile(v8::String::New("eval('x x')"))->Run(); |
| 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventStepSequence); |
| |
| // 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. |
| v8::Local<v8::Function> a = CompileFunction(&env, src, "a"); |
| SetBreakPoint(a, 0); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "aa"; |
| a->Call(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of b + c. |
| v8::Local<v8::Function> b = CompileFunction(&env, src, "b"); |
| SetBreakPoint(b, 0); |
| step_action = StepIn; |
| break_point_hit_count = 0; |
| expected_step_sequence = "bcc"; |
| b->Call(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| // Step through invocation of d + e. |
| 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Step through invocation of f + g + h. |
| 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(env->Global(), 0, NULL); |
| 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(env->Global(), 0, NULL); |
| CHECK_EQ(StrLength(expected_step_sequence), |
| break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugBreak) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // This test should be run with option --verify-heap. As --verify-heap is |
| // only available in debug mode only check for it in that case. |
| #ifdef DEBUG |
| CHECK(v8::internal::FLAG_verify_heap); |
| #endif |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreak); |
| |
| // 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::Handle<v8::Value> argv[] = { v8::Number::New(1), |
| v8::Number::New(1), |
| v8::Number::New(1), |
| v8::Number::New(1) }; |
| |
| // Call all functions to make sure that they are compiled. |
| f0->Call(env->Global(), 0, NULL); |
| f1->Call(env->Global(), 0, NULL); |
| f2->Call(env->Global(), 0, NULL); |
| f3->Call(env->Global(), 0, NULL); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(); |
| |
| // Call all functions with different argument count. |
| break_point_hit_count = 0; |
| for (unsigned int i = 0; i < ARRAY_SIZE(argv); i++) { |
| f0->Call(env->Global(), i, argv); |
| f1->Call(env->Global(), i, argv); |
| f2->Call(env->Global(), i, argv); |
| f3->Call(env->Global(), i, argv); |
| } |
| |
| // One break for each function called. |
| CHECK_EQ(4 * ARRAY_SIZE(argv), break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(DebugEventCounter); |
| |
| // 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 the debug break flag. |
| v8::Debug::DebugBreak(); |
| |
| // Call all functions with different argument count. |
| break_point_hit_count = 0; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| { |
| v8::Debug::DebugBreak(); |
| v8::internal::DisableBreak disable_break(true); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| } |
| |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| 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::HandleScope scope; |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(DebugEventCounter); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(); |
| 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::Persistent<v8::Context> context = v8::Context::New(&extensions); |
| context.Dispose(); |
| } |
| // 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(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| static v8::Handle<v8::Array> NamedEnum(const v8::AccessorInfo&) { |
| v8::Handle<v8::Array> result = v8::Array::New(3); |
| result->Set(v8::Integer::New(0), v8::String::New("a")); |
| result->Set(v8::Integer::New(1), v8::String::New("b")); |
| result->Set(v8::Integer::New(2), v8::String::New("c")); |
| return result; |
| } |
| |
| |
| static v8::Handle<v8::Array> IndexedEnum(const v8::AccessorInfo&) { |
| v8::Handle<v8::Array> result = v8::Array::New(2); |
| result->Set(v8::Integer::New(0), v8::Number::New(1)); |
| result->Set(v8::Integer::New(1), v8::Number::New(10)); |
| return result; |
| } |
| |
| |
| static v8::Handle<v8::Value> NamedGetter(v8::Local<v8::String> name, |
| const v8::AccessorInfo& info) { |
| v8::String::AsciiValue n(name); |
| if (strcmp(*n, "a") == 0) { |
| return v8::String::New("AA"); |
| } else if (strcmp(*n, "b") == 0) { |
| return v8::String::New("BB"); |
| } else if (strcmp(*n, "c") == 0) { |
| return v8::String::New("CC"); |
| } else { |
| return v8::Undefined(); |
| } |
| |
| return name; |
| } |
| |
| |
| static v8::Handle<v8::Value> IndexedGetter(uint32_t index, |
| const v8::AccessorInfo& info) { |
| return v8::Number::New(index + 1); |
| } |
| |
| |
| TEST(InterceptorPropertyMirror) { |
| // Create a V8 environment with debug access. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| // Create object with named interceptor. |
| v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(); |
| named->SetNamedPropertyHandler(NamedGetter, NULL, NULL, NULL, NamedEnum); |
| env->Global()->Set(v8::String::New("intercepted_named"), |
| named->NewInstance()); |
| |
| // Create object with indexed interceptor. |
| v8::Handle<v8::ObjectTemplate> indexed = v8::ObjectTemplate::New(); |
| indexed->SetIndexedPropertyHandler(IndexedGetter, |
| NULL, |
| NULL, |
| NULL, |
| IndexedEnum); |
| env->Global()->Set(v8::String::New("intercepted_indexed"), |
| indexed->NewInstance()); |
| |
| // Create object with both named and indexed interceptor. |
| v8::Handle<v8::ObjectTemplate> both = v8::ObjectTemplate::New(); |
| both->SetNamedPropertyHandler(NamedGetter, NULL, NULL, NULL, NamedEnum); |
| both->SetIndexedPropertyHandler(IndexedGetter, NULL, NULL, NULL, IndexedEnum); |
| env->Global()->Set(v8::String::New("intercepted_both"), both->NewInstance()); |
| |
| // Get mirrors for the three objects with interceptor. |
| CompileRun( |
| "named_mirror = debug.MakeMirror(intercepted_named);" |
| "indexed_mirror = debug.MakeMirror(intercepted_indexed);" |
| "both_mirror = debug.MakeMirror(intercepted_both)"); |
| CHECK(CompileRun( |
| "named_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CHECK(CompileRun( |
| "indexed_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CHECK(CompileRun( |
| "both_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| |
| // 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()); |
| CHECK_EQ(2, CompileRun("indexed_names.length")->Int32Value()); |
| CHECK_EQ(5, CompileRun("both_names.length")->Int32Value()); |
| |
| // Check the expected number of properties. |
| const char* source; |
| source = "named_mirror.properties().length"; |
| CHECK_EQ(3, CompileRun(source)->Int32Value()); |
| |
| source = "indexed_mirror.properties().length"; |
| CHECK_EQ(2, CompileRun(source)->Int32Value()); |
| |
| source = "both_mirror.properties().length"; |
| CHECK_EQ(5, CompileRun(source)->Int32Value()); |
| |
| // 1 is PropertyKind.Named; |
| source = "both_mirror.properties(1).length"; |
| CHECK_EQ(3, CompileRun(source)->Int32Value()); |
| |
| // 2 is PropertyKind.Indexed; |
| source = "both_mirror.properties(2).length"; |
| CHECK_EQ(2, CompileRun(source)->Int32Value()); |
| |
| // 3 is PropertyKind.Named | PropertyKind.Indexed; |
| source = "both_mirror.properties(3).length"; |
| CHECK_EQ(5, CompileRun(source)->Int32Value()); |
| |
| // Get the interceptor properties for the object with only named interceptor. |
| CompileRun("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; |
| OS::SNPrintF(buffer, |
| "named_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue()); |
| |
| // 5 is PropertyType.Interceptor |
| OS::SNPrintF(buffer, "named_values[%d].propertyType()", i); |
| CHECK_EQ(5, CompileRun(buffer.start())->Int32Value()); |
| |
| OS::SNPrintF(buffer, "named_values[%d].isNative()", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue()); |
| } |
| |
| // Get the interceptor properties for the object with only indexed |
| // interceptor. |
| CompileRun("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; |
| OS::SNPrintF(buffer, |
| "indexed_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue()); |
| } |
| |
| // Get the interceptor properties for the object with both types of |
| // interceptors. |
| CompileRun("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; |
| OS::SNPrintF(buffer, "both_values[%d] instanceof debug.PropertyMirror", i); |
| CHECK(CompileRun(buffer.start())->BooleanValue()); |
| } |
| |
| // Check the property names. |
| source = "both_values[0].name() == 'a'"; |
| CHECK(CompileRun(source)->BooleanValue()); |
| |
| source = "both_values[1].name() == 'b'"; |
| CHECK(CompileRun(source)->BooleanValue()); |
| |
| source = "both_values[2].name() == 'c'"; |
| CHECK(CompileRun(source)->BooleanValue()); |
| |
| source = "both_values[3].name() == 1"; |
| CHECK(CompileRun(source)->BooleanValue()); |
| |
| source = "both_values[4].name() == 10"; |
| CHECK(CompileRun(source)->BooleanValue()); |
| } |
| |
| |
| TEST(HiddenPrototypePropertyMirror) { |
| // Create a V8 environment with debug access. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(); |
| t0->InstanceTemplate()->Set(v8::String::New("x"), v8::Number::New(0)); |
| v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(); |
| t1->SetHiddenPrototype(true); |
| t1->InstanceTemplate()->Set(v8::String::New("y"), v8::Number::New(1)); |
| v8::Handle<v8::FunctionTemplate> t2 = v8::FunctionTemplate::New(); |
| t2->SetHiddenPrototype(true); |
| t2->InstanceTemplate()->Set(v8::String::New("z"), v8::Number::New(2)); |
| v8::Handle<v8::FunctionTemplate> t3 = v8::FunctionTemplate::New(); |
| t3->InstanceTemplate()->Set(v8::String::New("u"), v8::Number::New(3)); |
| |
| // Create object and set them on the global object. |
| v8::Handle<v8::Object> o0 = t0->GetFunction()->NewInstance(); |
| env->Global()->Set(v8::String::New("o0"), o0); |
| v8::Handle<v8::Object> o1 = t1->GetFunction()->NewInstance(); |
| env->Global()->Set(v8::String::New("o1"), o1); |
| v8::Handle<v8::Object> o2 = t2->GetFunction()->NewInstance(); |
| env->Global()->Set(v8::String::New("o2"), o2); |
| v8::Handle<v8::Object> o3 = t3->GetFunction()->NewInstance(); |
| env->Global()->Set(v8::String::New("o3"), o3); |
| |
| // Get mirrors for the four objects. |
| CompileRun( |
| "o0_mirror = debug.MakeMirror(o0);" |
| "o1_mirror = debug.MakeMirror(o1);" |
| "o2_mirror = debug.MakeMirror(o2);" |
| "o3_mirror = debug.MakeMirror(o3)"); |
| CHECK(CompileRun("o0_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CHECK(CompileRun("o1_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CHECK(CompileRun("o2_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CHECK(CompileRun("o3_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| |
| // Check that each object has one property. |
| CHECK_EQ(1, CompileRun( |
| "o0_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o1_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o2_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o3_mirror.propertyNames().length")->Int32Value()); |
| |
| // Set o1 as prototype for o0. o1 has the hidden prototype flag so all |
| // properties on o1 should be seen on o0. |
| o0->Set(v8::String::New("__proto__"), o1); |
| CHECK_EQ(2, CompileRun( |
| "o0_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(0, CompileRun( |
| "o0_mirror.property('x').value().value()")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o0_mirror.property('y').value().value()")->Int32Value()); |
| |
| // 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. |
| o0->Set(v8::String::New("__proto__"), o2); |
| CHECK_EQ(3, CompileRun( |
| "o0_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(0, CompileRun( |
| "o0_mirror.property('x').value().value()")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o0_mirror.property('y').value().value()")->Int32Value()); |
| CHECK_EQ(2, CompileRun( |
| "o0_mirror.property('z').value().value()")->Int32Value()); |
| |
| // 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: ^^ ^^ |
| o0->Set(v8::String::New("__proto__"), o3); |
| CHECK_EQ(3, CompileRun( |
| "o0_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o3_mirror.propertyNames().length")->Int32Value()); |
| CHECK_EQ(0, CompileRun( |
| "o0_mirror.property('x').value().value()")->Int32Value()); |
| CHECK_EQ(1, CompileRun( |
| "o0_mirror.property('y').value().value()")->Int32Value()); |
| CHECK_EQ(2, CompileRun( |
| "o0_mirror.property('z').value().value()")->Int32Value()); |
| CHECK(CompileRun("o0_mirror.property('u').isUndefined()")->BooleanValue()); |
| |
| // The prototype (__proto__) for o0 should be o3 as o1 and o2 are hidden. |
| CHECK(CompileRun("o0_mirror.protoObject() == o3_mirror")->BooleanValue()); |
| } |
| |
| |
| static v8::Handle<v8::Value> ProtperyXNativeGetter( |
| v8::Local<v8::String> property, const v8::AccessorInfo& info) { |
| return v8::Integer::New(10); |
| } |
| |
| |
| TEST(NativeGetterPropertyMirror) { |
| // Create a V8 environment with debug access. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Handle<v8::String> name = v8::String::New("x"); |
| // Create object with named accessor. |
| v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(); |
| named->SetAccessor(name, &ProtperyXNativeGetter, NULL, |
| v8::Handle<v8::Value>(), v8::DEFAULT, v8::None); |
| |
| // Create object with named property getter. |
| env->Global()->Set(v8::String::New("instance"), named->NewInstance()); |
| CHECK_EQ(10, CompileRun("instance.x")->Int32Value()); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("instance_mirror = debug.MakeMirror(instance);"); |
| CHECK(CompileRun( |
| "instance_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| |
| CompileRun("named_names = instance_mirror.propertyNames();"); |
| CHECK_EQ(1, CompileRun("named_names.length")->Int32Value()); |
| CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue()); |
| CHECK(CompileRun( |
| "instance_mirror.property('x').value().isNumber()")->BooleanValue()); |
| CHECK(CompileRun( |
| "instance_mirror.property('x').value().value() == 10")->BooleanValue()); |
| } |
| |
| |
| static v8::Handle<v8::Value> ProtperyXNativeGetterThrowingError( |
| v8::Local<v8::String> property, const v8::AccessorInfo& info) { |
| return CompileRun("throw new Error('Error message');"); |
| } |
| |
| |
| TEST(NativeGetterThrowingErrorPropertyMirror) { |
| // Create a V8 environment with debug access. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| v8::Handle<v8::String> name = v8::String::New("x"); |
| // Create object with named accessor. |
| v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(); |
| named->SetAccessor(name, &ProtperyXNativeGetterThrowingError, NULL, |
| v8::Handle<v8::Value>(), v8::DEFAULT, v8::None); |
| |
| // Create object with named property getter. |
| env->Global()->Set(v8::String::New("instance"), named->NewInstance()); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("instance_mirror = debug.MakeMirror(instance);"); |
| CHECK(CompileRun( |
| "instance_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| CompileRun("named_names = instance_mirror.propertyNames();"); |
| CHECK_EQ(1, CompileRun("named_names.length")->Int32Value()); |
| CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue()); |
| CHECK(CompileRun( |
| "instance_mirror.property('x').value().isError()")->BooleanValue()); |
| |
| // Check that the message is that passed to the Error constructor. |
| CHECK(CompileRun( |
| "instance_mirror.property('x').value().message() == 'Error message'")-> |
| BooleanValue()); |
| } |
| |
| |
| // 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. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| // Create an object in the global scope. |
| const char* source = "var obj = {a: 1};"; |
| v8::Script::Compile(v8::String::New(source))->Run(); |
| v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast( |
| env->Global()->Get(v8::String::New("obj"))); |
| // Set a hidden property on the object. |
| obj->SetHiddenValue(v8::String::New("v8::test-debug::a"), |
| v8::Int32::New(11)); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var obj_mirror = debug.MakeMirror(obj);"); |
| CHECK(CompileRun( |
| "obj_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| 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()); |
| CHECK(CompileRun("named_names[0] == 'a'")->BooleanValue()); |
| CHECK(CompileRun( |
| "obj_mirror.property('a').value().value() == 1")->BooleanValue()); |
| |
| // Object created by t0 will become hidden prototype of object 'obj'. |
| v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(); |
| t0->InstanceTemplate()->Set(v8::String::New("b"), v8::Number::New(2)); |
| t0->SetHiddenPrototype(true); |
| v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(); |
| t1->InstanceTemplate()->Set(v8::String::New("c"), v8::Number::New(3)); |
| |
| // Create proto objects, add hidden properties to them and set them on |
| // the global object. |
| v8::Handle<v8::Object> protoObj = t0->GetFunction()->NewInstance(); |
| protoObj->SetHiddenValue(v8::String::New("v8::test-debug::b"), |
| v8::Int32::New(12)); |
| env->Global()->Set(v8::String::New("protoObj"), protoObj); |
| v8::Handle<v8::Object> grandProtoObj = t1->GetFunction()->NewInstance(); |
| grandProtoObj->SetHiddenValue(v8::String::New("v8::test-debug::c"), |
| v8::Int32::New(13)); |
| env->Global()->Set(v8::String::New("grandProtoObj"), grandProtoObj); |
| |
| // Setting prototypes: obj->protoObj->grandProtoObj |
| protoObj->Set(v8::String::New("__proto__"), grandProtoObj); |
| obj->Set(v8::String::New("__proto__"), protoObj); |
| |
| // Get mirror for the object with property getter. |
| CompileRun("var obj_mirror = debug.MakeMirror(obj);"); |
| CHECK(CompileRun( |
| "obj_mirror instanceof debug.ObjectMirror")->BooleanValue()); |
| 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()); |
| CHECK(CompileRun("named_names.sort(); named_names[0] == 'a' &&" |
| "named_names[1] == 'b'")->BooleanValue()); |
| CHECK(CompileRun( |
| "obj_mirror.property('a').value().value() == 1")->BooleanValue()); |
| CHECK(CompileRun( |
| "obj_mirror.property('b').value().value() == 2")->BooleanValue()); |
| } |
| |
| |
| // Multithreaded tests of JSON debugger protocol |
| |
| // Support classes |
| |
| // Provides synchronization between k threads, where k is an input to the |
| // constructor. The Wait() call blocks a thread until it is called for the |
| // k'th time, then all calls return. Each ThreadBarrier object can only |
| // be used once. |
| class ThreadBarrier { |
| public: |
| explicit ThreadBarrier(int num_threads); |
| ~ThreadBarrier(); |
| void Wait(); |
| private: |
| int num_threads_; |
| int num_blocked_; |
| v8::internal::Mutex* lock_; |
| v8::internal::Semaphore* sem_; |
| bool invalid_; |
| }; |
| |
| ThreadBarrier::ThreadBarrier(int num_threads) |
| : num_threads_(num_threads), num_blocked_(0) { |
| lock_ = OS::CreateMutex(); |
| sem_ = OS::CreateSemaphore(0); |
| invalid_ = false; // A barrier may only be used once. Then it is invalid. |
| } |
| |
| // Do not call, due to race condition with Wait(). |
| // Could be resolved with Pthread condition variables. |
| ThreadBarrier::~ThreadBarrier() { |
| lock_->Lock(); |
| delete lock_; |
| delete sem_; |
| } |
| |
| void ThreadBarrier::Wait() { |
| lock_->Lock(); |
| CHECK(!invalid_); |
| if (num_blocked_ == num_threads_ - 1) { |
| // Signal and unblock all waiting threads. |
| for (int i = 0; i < num_threads_ - 1; ++i) { |
| sem_->Signal(); |
| } |
| invalid_ = true; |
| printf("BARRIER\n\n"); |
| fflush(stdout); |
| lock_->Unlock(); |
| } else { // Wait for the semaphore. |
| ++num_blocked_; |
| lock_->Unlock(); // Potential race condition with destructor because |
| sem_->Wait(); // these two lines are not atomic. |
| } |
| } |
| |
| // A set containing enough barriers and semaphores for any of the tests. |
| class Barriers { |
| public: |
| Barriers(); |
| void Initialize(); |
| ThreadBarrier barrier_1; |
| ThreadBarrier barrier_2; |
| ThreadBarrier barrier_3; |
| ThreadBarrier barrier_4; |
| ThreadBarrier barrier_5; |
| v8::internal::Semaphore* semaphore_1; |
| v8::internal::Semaphore* semaphore_2; |
| }; |
| |
| Barriers::Barriers() : barrier_1(2), barrier_2(2), |
| barrier_3(2), barrier_4(2), barrier_5(2) {} |
| |
| void Barriers::Initialize() { |
| semaphore_1 = OS::CreateSemaphore(0); |
| semaphore_2 = OS::CreateSemaphore(0); |
| } |
| |
| |
| // 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::internal::Thread { |
| public: |
| MessageQueueDebuggerThread() |
| : Thread("MessageQueueDebuggerThread") { } |
| void Run(); |
| }; |
| |
| static void MessageHandler(const uint16_t* message, int length, |
| v8::Debug::ClientData* client_data) { |
| static char print_buffer[1000]; |
| Utf16ToAscii(message, length, print_buffer); |
| if (IsBreakEventMessage(print_buffer)) { |
| // 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::Debug::SendCommand(buffer_1, AsciiToUtf16(command_1, buffer_1)); |
| v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2)); |
| v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand(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(buffer_1, AsciiToUtf16(command_1, buffer_1)); |
| v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2)); |
| v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2)); |
| v8::Debug::SendCommand(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(buffer_1, AsciiToUtf16(command_2, buffer_1)); |
| v8::Debug::SendCommand(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 |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| message_queue_barriers.Initialize(); |
| v8::Debug::SetMessageHandler(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 |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| TestClientData::ResetCounters(); |
| handled_client_data_instances_count = 0; |
| v8::Debug::SetMessageHandler2(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(buffer, AsciiToUtf16(command_1, buffer), |
| new TestClientData()); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer), NULL); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer), |
| new TestClientData()); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer), |
| new TestClientData()); |
| // All the messages will be processed on beforeCompile event. |
| CompileRun(source_1); |
| v8::Debug::SendCommand(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::internal::Thread { |
| public: |
| V8Thread() : Thread("V8Thread") { } |
| void Run(); |
| }; |
| |
| class DebuggerThread : public v8::internal::Thread { |
| public: |
| DebuggerThread() : Thread("DebuggerThread") { } |
| void Run(); |
| }; |
| |
| |
| static v8::Handle<v8::Value> ThreadedAtBarrier1(const v8::Arguments& args) { |
| threaded_debugging_barriers.barrier_1.Wait(); |
| return v8::Undefined(); |
| } |
| |
| |
| 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(8 <= source_line && source_line <= 13); |
| threaded_debugging_barriers.barrier_2.Wait(); |
| } |
| } |
| |
| |
| void V8Thread::Run() { |
| const char* source = |
| "flag = true;\n" |
| "function bar( new_value ) {\n" |
| " flag = new_value;\n" |
| " return \"Return from bar(\" + new_value + \")\";\n" |
| "}\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::V8::Initialize(); |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetMessageHandler2(&ThreadedMessageHandler); |
| v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); |
| global_template->Set(v8::String::New("ThreadedAtBarrier1"), |
| v8::FunctionTemplate::New(ThreadedAtBarrier1)); |
| v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template); |
| v8::Context::Scope context_scope(context); |
| |
| CompileRun(source); |
| } |
| |
| void DebuggerThread::Run() { |
| const int kBufSize = 1000; |
| uint16_t buffer[kBufSize]; |
| |
| const char* command_1 = "{\"seq\":102," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"bar(false)\"}}"; |
| const char* command_2 = "{\"seq\":103," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| threaded_debugging_barriers.barrier_1.Wait(); |
| v8::Debug::DebugBreak(); |
| threaded_debugging_barriers.barrier_2.Wait(); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer)); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer)); |
| } |
| |
| |
| TEST(ThreadedDebugging) { |
| DebuggerThread debugger_thread; |
| V8Thread v8_thread; |
| |
| // Create a V8 environment |
| threaded_debugging_barriers.Initialize(); |
| |
| v8_thread.Start(); |
| 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::internal::Thread { |
| public: |
| BreakpointsV8Thread() : Thread("BreakpointsV8Thread") { } |
| void Run(); |
| }; |
| |
| class BreakpointsDebuggerThread : public v8::internal::Thread { |
| public: |
| explicit BreakpointsDebuggerThread(bool global_evaluate) |
| : Thread("BreakpointsDebuggerThread"), |
| global_evaluate_(global_evaluate) {} |
| void Run(); |
| |
| private: |
| bool global_evaluate_; |
| }; |
| |
| |
| 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::V8::Initialize(); |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetMessageHandler2(&BreakpointsMessageHandler); |
| |
| CompileRun(source_1); |
| breakpoints_barriers->barrier_1.Wait(); |
| breakpoints_barriers->barrier_2.Wait(); |
| CompileRun(source_2); |
| } |
| |
| |
| 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(buffer, AsciiToUtf16(command_1, buffer)); |
| // 2:Set breakpoint in dog() (will get id 2). |
| v8::Debug::SendCommand(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(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(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(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(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(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(buffer, AsciiToUtf16(command_8, buffer)); |
| } |
| |
| void TestRecursiveBreakpointsGeneric(bool global_evaluate) { |
| i::FLAG_debugger_auto_break = true; |
| |
| BreakpointsDebuggerThread breakpoints_debugger_thread(global_evaluate); |
| BreakpointsV8Thread breakpoints_v8_thread; |
| |
| // Create a V8 environment |
| Barriers stack_allocated_breakpoints_barriers; |
| stack_allocated_breakpoints_barriers.Initialize(); |
| breakpoints_barriers = &stack_allocated_breakpoints_barriers; |
| |
| breakpoints_v8_thread.Start(); |
| breakpoints_debugger_thread.Start(); |
| |
| breakpoints_v8_thread.Join(); |
| breakpoints_debugger_thread.Join(); |
| } |
| |
| TEST(RecursiveBreakpoints) { |
| TestRecursiveBreakpointsGeneric(false); |
| } |
| |
| TEST(RecursiveBreakpointsGlobal) { |
| TestRecursiveBreakpointsGeneric(true); |
| } |
| |
| |
| static void DummyDebugEventListener(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| } |
| |
| |
| TEST(SetDebugEventListenerOnUninitializedVM) { |
| v8::Debug::SetDebugEventListener(DummyDebugEventListener); |
| } |
| |
| |
| static void DummyMessageHandler(const v8::Debug::Message& message) { |
| } |
| |
| |
| TEST(SetMessageHandlerOnUninitializedVM) { |
| v8::Debug::SetMessageHandler2(DummyMessageHandler); |
| } |
| |
| |
| TEST(DebugBreakOnUninitializedVM) { |
| v8::Debug::DebugBreak(); |
| } |
| |
| |
| TEST(SendCommandToUninitializedVM) { |
| const char* dummy_command = "{}"; |
| uint16_t dummy_buffer[80]; |
| int dummy_length = AsciiToUtf16(dummy_command, dummy_buffer); |
| v8::Debug::SendCommand(dummy_buffer, dummy_length); |
| } |
| |
| |
| // 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::Handle<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::Handle<v8::Function> debugger_call_with_closure; |
| |
| // Function to retrieve the number of JavaScript frames by calling a JavaScript |
| // in the debugger. |
| static v8::Handle<v8::Value> CheckFrameCount(const v8::Arguments& args) { |
| CHECK(v8::Debug::Call(frame_count)->IsNumber()); |
| CHECK_EQ(args[0]->Int32Value(), |
| v8::Debug::Call(frame_count)->Int32Value()); |
| return v8::Undefined(); |
| } |
| |
| |
| // Function to retrieve the source line of the top JavaScript frame by calling a |
| // JavaScript function in the debugger. |
| static v8::Handle<v8::Value> CheckSourceLine(const v8::Arguments& args) { |
| CHECK(v8::Debug::Call(frame_source_line)->IsNumber()); |
| CHECK_EQ(args[0]->Int32Value(), |
| v8::Debug::Call(frame_source_line)->Int32Value()); |
| return v8::Undefined(); |
| } |
| |
| |
| // 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 v8::Handle<v8::Value> CheckDataParameter(const v8::Arguments& args) { |
| v8::Handle<v8::String> data = v8::String::New("Test"); |
| CHECK(v8::Debug::Call(debugger_call_with_data, data)->IsString()); |
| |
| CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty()); |
| CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty()); |
| |
| v8::TryCatch catcher; |
| v8::Debug::Call(debugger_call_with_data); |
| CHECK(catcher.HasCaught()); |
| CHECK(catcher.Exception()->IsString()); |
| |
| return v8::Undefined(); |
| } |
| |
| |
| // Function to test using a JavaScript with closure in the debugger. |
| static v8::Handle<v8::Value> CheckClosure(const v8::Arguments& args) { |
| CHECK(v8::Debug::Call(debugger_call_with_closure)->IsNumber()); |
| CHECK_EQ(3, v8::Debug::Call(debugger_call_with_closure)->Int32Value()); |
| return v8::Undefined(); |
| } |
| |
| |
| // Test functions called through the debugger. |
| TEST(CallFunctionInDebugger) { |
| // Create and enter a context with the functions CheckFrameCount, |
| // CheckSourceLine and CheckDataParameter installed. |
| v8::HandleScope scope; |
| v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); |
| global_template->Set(v8::String::New("CheckFrameCount"), |
| v8::FunctionTemplate::New(CheckFrameCount)); |
| global_template->Set(v8::String::New("CheckSourceLine"), |
| v8::FunctionTemplate::New(CheckSourceLine)); |
| global_template->Set(v8::String::New("CheckDataParameter"), |
| v8::FunctionTemplate::New(CheckDataParameter)); |
| global_template->Set(v8::String::New("CheckClosure"), |
| v8::FunctionTemplate::New(CheckClosure)); |
| v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template); |
| v8::Context::Scope context_scope(context); |
| |
| // Compile a function for checking the number of JavaScript frames. |
| v8::Script::Compile(v8::String::New(frame_count_source))->Run(); |
| frame_count = v8::Local<v8::Function>::Cast( |
| context->Global()->Get(v8::String::New("frame_count"))); |
| |
| // Compile a function for returning the source line for the top frame. |
| v8::Script::Compile(v8::String::New(frame_source_line_source))->Run(); |
| frame_source_line = v8::Local<v8::Function>::Cast( |
| context->Global()->Get(v8::String::New("frame_source_line"))); |
| |
| // Compile a function returning the data parameter. |
| v8::Script::Compile(v8::String::New(debugger_call_with_data_source))->Run(); |
| debugger_call_with_data = v8::Local<v8::Function>::Cast( |
| context->Global()->Get(v8::String::New("debugger_call_with_data"))); |
| |
| // Compile a function capturing closure. |
| debugger_call_with_closure = v8::Local<v8::Function>::Cast( |
| v8::Script::Compile( |
| v8::String::New(debugger_call_with_closure_source))->Run()); |
| |
| // Calling a function through the debugger returns 0 frames if there are |
| // no JavaScript frames. |
| CHECK_EQ(v8::Integer::New(0), v8::Debug::Call(frame_count)); |
| |
| // Test that the number of frames can be retrieved. |
| v8::Script::Compile(v8::String::New("CheckFrameCount(1)"))->Run(); |
| v8::Script::Compile(v8::String::New("function f() {" |
| " CheckFrameCount(2);" |
| "}; f()"))->Run(); |
| |
| // Test that the source line can be retrieved. |
| v8::Script::Compile(v8::String::New("CheckSourceLine(0)"))->Run(); |
| v8::Script::Compile(v8::String::New("function f() {\n" |
| " CheckSourceLine(1)\n" |
| " CheckSourceLine(2)\n" |
| " CheckSourceLine(3)\n" |
| "}; f()"))->Run(); |
| |
| // Test that a parameter can be passed to a function called in the debugger. |
| v8::Script::Compile(v8::String::New("CheckDataParameter()"))->Run(); |
| |
| // Test that a function with closure can be run in the debugger. |
| v8::Script::Compile(v8::String::New("CheckClosure()"))->Run(); |
| |
| |
| // Test that the source line is correct when there is a line offset. |
| v8::ScriptOrigin origin(v8::String::New("test"), |
| v8::Integer::New(7)); |
| v8::Script::Compile(v8::String::New("CheckSourceLine(7)"), &origin)->Run(); |
| v8::Script::Compile(v8::String::New("function f() {\n" |
| " CheckSourceLine(8)\n" |
| " CheckSourceLine(9)\n" |
| " CheckSourceLine(10)\n" |
| "}; f()"), &origin)->Run(); |
| } |
| |
| |
| // 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(); |
| |
| // Set a debug event listener. |
| break_point_hit_count = 0; |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| { |
| v8::HandleScope scope; |
| // 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(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| bar->Call(env->Global(), 0, NULL); |
| CHECK_EQ(4, break_point_hit_count); |
| } |
| |
| // Remove the debug event listener without clearing breakpoints. Do this |
| // outside a handle scope. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(true); |
| |
| // Now set a debug message handler. |
| break_point_hit_count = 0; |
| v8::Debug::SetMessageHandler2(MessageHandlerBreakPointHitCount); |
| { |
| v8::HandleScope scope; |
| |
| // Get the test functions again. |
| v8::Local<v8::Function> foo(v8::Local<v8::Function>::Cast( |
| env->Global()->Get(v8::String::New("foo")))); |
| |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(0, break_point_hit_count); |
| |
| // Set break points and run again. |
| SetBreakPoint(foo, 0); |
| SetBreakPoint(foo, 4); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| } |
| |
| // Remove the debug message handler without clearing breakpoints. Do this |
| // outside a handle scope. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(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(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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(); |
| |
| // Set a debug message handler. |
| v8::Debug::SetMessageHandler2(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(NULL); |
| |
| // 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(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(NULL); |
| } |
| |
| |
| // Test clearing the debug message handler while processing a debug event. |
| TEST(DebuggerClearMessageHandlerWhileActive) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(); |
| |
| // Set a debug message handler. |
| v8::Debug::SetMessageHandler2(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(true); |
| } |
| |
| |
| /* Test DebuggerHostDispatch */ |
| /* In this test, the debugger waits for a command on a breakpoint |
| * and is dispatching host commands while in the infinite loop. |
| */ |
| |
| class HostDispatchV8Thread : public v8::internal::Thread { |
| public: |
| HostDispatchV8Thread() : Thread("HostDispatchV8Thread") { } |
| void Run(); |
| }; |
| |
| class HostDispatchDebuggerThread : public v8::internal::Thread { |
| public: |
| HostDispatchDebuggerThread() : Thread("HostDispatchDebuggerThread") { } |
| void Run(); |
| }; |
| |
| Barriers* host_dispatch_barriers; |
| |
| static void HostDispatchMessageHandler(const v8::Debug::Message& message) { |
| static char print_buffer[1000]; |
| v8::String::Value json(message.GetJSON()); |
| Utf16ToAscii(*json, json.length(), print_buffer); |
| } |
| |
| |
| static void HostDispatchDispatchHandler() { |
| host_dispatch_barriers->semaphore_1->Signal(); |
| } |
| |
| |
| void HostDispatchV8Thread::Run() { |
| const char* source_1 = "var y_global = 3;\n" |
| "function cat( new_value ) {\n" |
| " var x = new_value;\n" |
| " y_global = 4;\n" |
| " x = 3 * x + 1;\n" |
| " y_global = 5;\n" |
| " return x;\n" |
| "}\n" |
| "\n"; |
| const char* source_2 = "cat(17);\n"; |
| |
| v8::V8::Initialize(); |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Set up message and host dispatch handlers. |
| v8::Debug::SetMessageHandler2(HostDispatchMessageHandler); |
| v8::Debug::SetHostDispatchHandler(HostDispatchDispatchHandler, 10 /* ms */); |
| |
| CompileRun(source_1); |
| host_dispatch_barriers->barrier_1.Wait(); |
| host_dispatch_barriers->barrier_2.Wait(); |
| CompileRun(source_2); |
| } |
| |
| |
| void HostDispatchDebuggerThread::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\":\"continue\"}"; |
| |
| // v8 thread initializes, runs source_1 |
| host_dispatch_barriers->barrier_1.Wait(); |
| // 1: Set breakpoint in cat(). |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer)); |
| |
| host_dispatch_barriers->barrier_2.Wait(); |
| // v8 thread starts compiling source_2. |
| // Break happens, to run queued commands and host dispatches. |
| // Wait for host dispatch to be processed. |
| host_dispatch_barriers->semaphore_1->Wait(); |
| // 2: Continue evaluation |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer)); |
| } |
| |
| |
| TEST(DebuggerHostDispatch) { |
| HostDispatchDebuggerThread host_dispatch_debugger_thread; |
| HostDispatchV8Thread host_dispatch_v8_thread; |
| i::FLAG_debugger_auto_break = true; |
| |
| // Create a V8 environment |
| Barriers stack_allocated_host_dispatch_barriers; |
| stack_allocated_host_dispatch_barriers.Initialize(); |
| host_dispatch_barriers = &stack_allocated_host_dispatch_barriers; |
| |
| host_dispatch_v8_thread.Start(); |
| host_dispatch_debugger_thread.Start(); |
| |
| host_dispatch_v8_thread.Join(); |
| host_dispatch_debugger_thread.Join(); |
| } |
| |
| |
| /* Test DebugMessageDispatch */ |
| /* In this test, the V8 thread waits for a message from the debug thread. |
| * The DebugMessageDispatchHandler is executed from the debugger thread |
| * which signals the V8 thread to wake up. |
| */ |
| |
| class DebugMessageDispatchV8Thread : public v8::internal::Thread { |
| public: |
| DebugMessageDispatchV8Thread() : Thread("DebugMessageDispatchV8Thread") { } |
| void Run(); |
| }; |
| |
| class DebugMessageDispatchDebuggerThread : public v8::internal::Thread { |
| public: |
| DebugMessageDispatchDebuggerThread() |
| : Thread("DebugMessageDispatchDebuggerThread") { } |
| void Run(); |
| }; |
| |
| Barriers* debug_message_dispatch_barriers; |
| |
| |
| static void DebugMessageHandler() { |
| debug_message_dispatch_barriers->semaphore_1->Signal(); |
| } |
| |
| |
| void DebugMessageDispatchV8Thread::Run() { |
| v8::V8::Initialize(); |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Set up debug message dispatch handler. |
| v8::Debug::SetDebugMessageDispatchHandler(DebugMessageHandler); |
| |
| CompileRun("var y = 1 + 2;\n"); |
| debug_message_dispatch_barriers->barrier_1.Wait(); |
| debug_message_dispatch_barriers->semaphore_1->Wait(); |
| debug_message_dispatch_barriers->barrier_2.Wait(); |
| } |
| |
| |
| void DebugMessageDispatchDebuggerThread::Run() { |
| debug_message_dispatch_barriers->barrier_1.Wait(); |
| SendContinueCommand(); |
| debug_message_dispatch_barriers->barrier_2.Wait(); |
| } |
| |
| |
| TEST(DebuggerDebugMessageDispatch) { |
| DebugMessageDispatchDebuggerThread debug_message_dispatch_debugger_thread; |
| DebugMessageDispatchV8Thread debug_message_dispatch_v8_thread; |
| |
| i::FLAG_debugger_auto_break = true; |
| |
| // Create a V8 environment |
| Barriers stack_allocated_debug_message_dispatch_barriers; |
| stack_allocated_debug_message_dispatch_barriers.Initialize(); |
| debug_message_dispatch_barriers = |
| &stack_allocated_debug_message_dispatch_barriers; |
| |
| debug_message_dispatch_v8_thread.Start(); |
| debug_message_dispatch_debugger_thread.Start(); |
| |
| debug_message_dispatch_v8_thread.Join(); |
| debug_message_dispatch_debugger_thread.Join(); |
| } |
| |
| |
| TEST(DebuggerAgent) { |
| v8::V8::Initialize(); |
| i::Debugger* debugger = i::Isolate::Current()->debugger(); |
| // Make sure these ports is not used by other tests to allow tests to run in |
| // parallel. |
| const int kPort1 = 5858; |
| const int kPort2 = 5857; |
| const int kPort3 = 5856; |
| |
| // Make a string with the port2 number. |
| const int kPortBufferLen = 6; |
| char port2_str[kPortBufferLen]; |
| OS::SNPrintF(i::Vector<char>(port2_str, kPortBufferLen), "%d", kPort2); |
| |
| bool ok; |
| |
| // Initialize the socket library. |
| i::Socket::SetUp(); |
| |
| // Test starting and stopping the agent without any client connection. |
| debugger->StartAgent("test", kPort1); |
| debugger->StopAgent(); |
| // Test starting the agent, connecting a client and shutting down the agent |
| // with the client connected. |
| ok = debugger->StartAgent("test", kPort2); |
| CHECK(ok); |
| debugger->WaitForAgent(); |
| i::Socket* client = i::OS::CreateSocket(); |
| ok = client->Connect("localhost", port2_str); |
| CHECK(ok); |
| // It is important to wait for a message from the agent. Otherwise, |
| // we can close the server socket during "accept" syscall, making it failing |
| // (at least on Linux), and the test will work incorrectly. |
| char buf; |
| ok = client->Receive(&buf, 1) == 1; |
| CHECK(ok); |
| debugger->StopAgent(); |
| delete client; |
| |
| // Test starting and stopping the agent with the required port already |
| // occoupied. |
| i::Socket* server = i::OS::CreateSocket(); |
| server->Bind(kPort3); |
| |
| debugger->StartAgent("test", kPort3); |
| debugger->StopAgent(); |
| |
| delete server; |
| } |
| |
| |
| class DebuggerAgentProtocolServerThread : public i::Thread { |
| public: |
| explicit DebuggerAgentProtocolServerThread(int port) |
| : Thread("DebuggerAgentProtocolServerThread"), |
| port_(port), |
| server_(NULL), |
| client_(NULL), |
| listening_(OS::CreateSemaphore(0)) { |
| } |
| ~DebuggerAgentProtocolServerThread() { |
| // Close both sockets. |
| delete client_; |
| delete server_; |
| delete listening_; |
| } |
| |
| void Run(); |
| void WaitForListening() { listening_->Wait(); } |
| char* body() { return *body_; } |
| |
| private: |
| int port_; |
| i::SmartArrayPointer<char> body_; |
| i::Socket* server_; // Server socket used for bind/accept. |
| i::Socket* client_; // Single client connection used by the test. |
| i::Semaphore* listening_; // Signalled when the server is in listen mode. |
| }; |
| |
| |
| void DebuggerAgentProtocolServerThread::Run() { |
| bool ok; |
| |
| // Create the server socket and bind it to the requested port. |
| server_ = i::OS::CreateSocket(); |
| CHECK(server_ != NULL); |
| ok = server_->Bind(port_); |
| CHECK(ok); |
| |
| // Listen for new connections. |
| ok = server_->Listen(1); |
| CHECK(ok); |
| listening_->Signal(); |
| |
| // Accept a connection. |
| client_ = server_->Accept(); |
| CHECK(client_ != NULL); |
| |
| // Receive a debugger agent protocol message. |
| i::DebuggerAgentUtil::ReceiveMessage(client_); |
| } |
| |
| |
| TEST(DebuggerAgentProtocolOverflowHeader) { |
| // Make sure this port is not used by other tests to allow tests to run in |
| // parallel. |
| const int kPort = 5860; |
| static const char* kLocalhost = "localhost"; |
| |
| // Make a string with the port number. |
| const int kPortBufferLen = 6; |
| char port_str[kPortBufferLen]; |
| OS::SNPrintF(i::Vector<char>(port_str, kPortBufferLen), "%d", kPort); |
| |
| // Initialize the socket library. |
| i::Socket::SetUp(); |
| |
| // Create a socket server to receive a debugger agent message. |
| DebuggerAgentProtocolServerThread* server = |
| new DebuggerAgentProtocolServerThread(kPort); |
| server->Start(); |
| server->WaitForListening(); |
| |
| // Connect. |
| i::Socket* client = i::OS::CreateSocket(); |
| CHECK(client != NULL); |
| bool ok = client->Connect(kLocalhost, port_str); |
| CHECK(ok); |
| |
| // Send headers which overflow the receive buffer. |
| static const int kBufferSize = 1000; |
| char buffer[kBufferSize]; |
| |
| // Long key and short value: XXXX....XXXX:0\r\n. |
| for (int i = 0; i < kBufferSize - 4; i++) { |
| buffer[i] = 'X'; |
| } |
| buffer[kBufferSize - 4] = ':'; |
| buffer[kBufferSize - 3] = '0'; |
| buffer[kBufferSize - 2] = '\r'; |
| buffer[kBufferSize - 1] = '\n'; |
| client->Send(buffer, kBufferSize); |
| |
| // Short key and long value: X:XXXX....XXXX\r\n. |
| buffer[0] = 'X'; |
| buffer[1] = ':'; |
| for (int i = 2; i < kBufferSize - 2; i++) { |
| buffer[i] = 'X'; |
| } |
| buffer[kBufferSize - 2] = '\r'; |
| buffer[kBufferSize - 1] = '\n'; |
| client->Send(buffer, kBufferSize); |
| |
| // Add empty body to request. |
| const char* content_length_zero_header = "Content-Length:0\r\n"; |
| client->Send(content_length_zero_header, |
| StrLength(content_length_zero_header)); |
| client->Send("\r\n", 2); |
| |
| // Wait until data is received. |
| server->Join(); |
| |
| // Check for empty body. |
| CHECK(server->body() == NULL); |
| |
| // Close the client before the server to avoid TIME_WAIT issues. |
| client->Shutdown(); |
| delete client; |
| delete server; |
| } |
| |
| |
| // 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(DebugGetLoadedScripts) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| EmptyExternalStringResource source_ext_str; |
| v8::Local<v8::String> source = v8::String::NewExternal(&source_ext_str); |
| v8::Handle<v8::Script> evil_script(v8::Script::Compile(source)); |
| // "use" evil_script to make the compiler happy. |
| (void) evil_script; |
| Handle<i::ExternalTwoByteString> i_source( |
| i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source))); |
| // This situation can happen if source was an external string disposed |
| // by its owner. |
| i_source->set_resource(0); |
| |
| bool allow_natives_syntax = i::FLAG_allow_natives_syntax; |
| i::FLAG_allow_natives_syntax = true; |
| CompileRun( |
| "var scripts = %DebugGetLoadedScripts();" |
| "var count = scripts.length;" |
| "for (var i = 0; i < count; ++i) {" |
| " scripts[i].line_ends;" |
| "}"); |
| // Must not crash while accessing line_ends. |
| i::FLAG_allow_natives_syntax = allow_natives_syntax; |
| |
| // Some scripts are retrieved - at least the number of native scripts. |
| CHECK_GT((*env)->Global()->Get(v8::String::New("count"))->Int32Value(), 8); |
| } |
| |
| |
| // Test script break points set on lines. |
| TEST(ScriptNameAndData) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| 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"); |
| frame_script_data = CompileFunction(&env, |
| frame_script_data_source, |
| "frame_script_data"); |
| compiled_script_data = CompileFunction(&env, |
| compiled_script_data_source, |
| "compiled_script_data"); |
| |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| |
| // Test function source. |
| v8::Local<v8::String> script = v8::String::New( |
| "function f() {\n" |
| " debugger;\n" |
| "}\n"); |
| |
| v8::ScriptOrigin origin1 = v8::ScriptOrigin(v8::String::New("name")); |
| v8::Handle<v8::Script> script1 = v8::Script::Compile(script, &origin1); |
| script1->SetData(v8::String::New("data")); |
| script1->Run(); |
| v8::Local<v8::Function> f; |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ("name", last_script_name_hit); |
| CHECK_EQ("data", last_script_data_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(script, &origin1)->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ("name", last_script_name_hit); |
| CHECK_EQ("", last_script_data_hit); // Undefined results in empty string. |
| |
| v8::Local<v8::String> data_obj_source = v8::String::New( |
| "({ a: 'abc',\n" |
| " b: 123,\n" |
| " toString: function() { return this.a + ' ' + this.b; }\n" |
| "})\n"); |
| v8::Local<v8::Value> data_obj = v8::Script::Compile(data_obj_source)->Run(); |
| v8::ScriptOrigin origin2 = v8::ScriptOrigin(v8::String::New("new name")); |
| v8::Handle<v8::Script> script2 = v8::Script::Compile(script, &origin2); |
| script2->Run(); |
| script2->SetData(data_obj->ToString()); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(3, break_point_hit_count); |
| CHECK_EQ("new name", last_script_name_hit); |
| CHECK_EQ("abc 123", last_script_data_hit); |
| |
| v8::Handle<v8::Script> script3 = |
| v8::Script::Compile(script, &origin2, NULL, |
| v8::String::New("in compile")); |
| CHECK_EQ("in compile", last_script_data_hit); |
| script3->Run(); |
| f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(4, break_point_hit_count); |
| CHECK_EQ("in compile", last_script_data_hit); |
| } |
| |
| |
| static v8::Persistent<v8::Context> expected_context; |
| static v8::Handle<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()->GetData()->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::HandleScope scope; |
| |
| v8::Debug::SetMessageHandler2(ContextCheckMessageHandler); |
| |
| // Create two contexts. |
| v8::Persistent<v8::Context> context_1; |
| v8::Persistent<v8::Context> context_2; |
| v8::Handle<v8::ObjectTemplate> global_template = |
| v8::Handle<v8::ObjectTemplate>(); |
| v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>(); |
| context_1 = v8::Context::New(NULL, global_template, global_object); |
| context_2 = v8::Context::New(NULL, global_template, global_object); |
| |
| // Default data value is undefined. |
| CHECK(context_1->GetData()->IsUndefined()); |
| CHECK(context_2->GetData()->IsUndefined()); |
| |
| // Set and check different data values. |
| v8::Handle<v8::String> data_1 = v8::String::New("1"); |
| v8::Handle<v8::String> data_2 = v8::String::New("2"); |
| context_1->SetData(data_1); |
| context_2->SetData(data_2); |
| CHECK(context_1->GetData()->StrictEquals(data_1)); |
| CHECK(context_2->GetData()->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(source, "f"); |
| f->Call(context_1->Global(), 0, NULL); |
| } |
| |
| |
| // 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(source, "f"); |
| f->Call(context_2->Global(), 0, NULL); |
| } |
| |
| // Two times compile event and two times break event. |
| CHECK_GT(message_handler_hit_count, 4); |
| |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // 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(); |
| } |
| } |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Debug::SetMessageHandler2(DebugBreakMessageHandler); |
| |
| // 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(v8::String::New("f"))); |
| v8::Local<v8::Function> g = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g"))); |
| |
| // Call f then g. The debugger statement in f will casue a break which will |
| // cause another break. |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, message_handler_break_hit_count); |
| // Calling g will not cause any additional breaks. |
| g->Call(env->Global(), 0, NULL); |
| 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( |
| v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| |
| 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::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) }; |
| v8::Handle<v8::Value> result = frame_function_name->Call(exec_state, |
| argc, argv); |
| if (result->IsUndefined()) { |
| last_function_hit[0] = '\0'; |
| } else { |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> function_name(result->ToString()); |
| function_name->WriteAscii(last_function_hit); |
| } |
| } |
| |
| // Keep forcing breaks. |
| if (break_point_hit_count < 20) { |
| v8::Debug::DebugBreak(); |
| } |
| } |
| } |
| |
| |
| TEST(RegExpDebugBreak) { |
| // This test only applies to native regexps. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(script, "f"); |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { v8::String::New(" /* xxx */ a=0;") }; |
| v8::Local<v8::Value> result = f->Call(env->Global(), argc, argv); |
| CHECK_EQ(12, result->Int32Value()); |
| |
| v8::Debug::SetDebugEventListener(DebugEventDebugBreak); |
| v8::Debug::DebugBreak(); |
| result = f->Call(env->Global(), argc, argv); |
| |
| // Check that there was only one break event. Matching RegExp should not |
| // cause Break events. |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ("f", last_function_hit); |
| } |
| #endif // V8_INTERPRETED_REGEXP |
| |
| |
| // Common part of EvalContextData and NestedBreakEventContextData tests. |
| static void ExecuteScriptForContextCheck() { |
| // Create a context. |
| v8::Persistent<v8::Context> context_1; |
| v8::Handle<v8::ObjectTemplate> global_template = |
| v8::Handle<v8::ObjectTemplate>(); |
| context_1 = v8::Context::New(NULL, global_template); |
| |
| // Default data value is undefined. |
| CHECK(context_1->GetData()->IsUndefined()); |
| |
| // Set and check a data value. |
| v8::Handle<v8::String> data_1 = v8::String::New("1"); |
| context_1->SetData(data_1); |
| CHECK(context_1->GetData()->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(source, "f"); |
| f->Call(context_1->Global(), 0, NULL); |
| } |
| } |
| |
| |
| // 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; |
| v8::Debug::SetMessageHandler2(ContextCheckMessageHandler); |
| |
| ExecuteScriptForContextCheck(); |
| |
| // One time compile event and one time break event. |
| CHECK_GT(message_handler_hit_count, 2); |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| 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()->GetData()->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); |
| |
| 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(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; |
| break_count = 0; |
| message_handler_hit_count = 0; |
| v8::Debug::SetMessageHandler2(DebugEvalContextCheckMessageHandler); |
| |
| ExecuteScriptForContextCheck(); |
| |
| // 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); |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Debug event listener which counts the script collected events. |
| int script_collected_count = 0; |
| static void DebugEventScriptCollectedEvent(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| // Count the number of breaks. |
| if (event == v8::ScriptCollected) { |
| script_collected_count++; |
| } |
| } |
| |
| |
| // Test that scripts collected are reported through the debug event listener. |
| TEST(ScriptCollectedEvent) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| break_point_hit_count = 0; |
| script_collected_count = 0; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Request the loaded scripts to initialize the debugger script cache. |
| debug->GetLoadedScripts(); |
| |
| // Do garbage collection to ensure that only the script in this test will be |
| // collected afterwards. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| script_collected_count = 0; |
| v8::Debug::SetDebugEventListener(DebugEventScriptCollectedEvent, |
| v8::Undefined()); |
| { |
| v8::Script::Compile(v8::String::New("eval('a=1')"))->Run(); |
| v8::Script::Compile(v8::String::New("eval('a=2')"))->Run(); |
| } |
| |
| // Do garbage collection to collect the script above which is no longer |
| // referenced. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| CHECK_EQ(2, script_collected_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| // Debug event listener which counts the script collected events. |
| int script_collected_message_count = 0; |
| static void ScriptCollectedMessageHandler(const v8::Debug::Message& message) { |
| // Count the number of scripts collected. |
| if (message.IsEvent() && message.GetEvent() == v8::ScriptCollected) { |
| script_collected_message_count++; |
| v8::Handle<v8::Context> context = message.GetEventContext(); |
| CHECK(context.IsEmpty()); |
| } |
| } |
| |
| |
| // Test that GetEventContext doesn't fail and return empty handle for |
| // ScriptCollected events. |
| TEST(ScriptCollectedEventContext) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| script_collected_message_count = 0; |
| v8::HandleScope scope; |
| |
| { // Scope for the DebugLocalContext. |
| DebugLocalContext env; |
| |
| // Request the loaded scripts to initialize the debugger script cache. |
| debug->GetLoadedScripts(); |
| |
| // Do garbage collection to ensure that only the script in this test will be |
| // collected afterwards. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| v8::Debug::SetMessageHandler2(ScriptCollectedMessageHandler); |
| { |
| v8::Script::Compile(v8::String::New("eval('a=1')"))->Run(); |
| v8::Script::Compile(v8::String::New("eval('a=2')"))->Run(); |
| } |
| } |
| |
| // Do garbage collection to collect the script above which is no longer |
| // referenced. |
| HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| CHECK_EQ(2, script_collected_message_count); |
| |
| v8::Debug::SetMessageHandler2(NULL); |
| } |
| |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| after_compile_message_count = 0; |
| const char* script = "var a=1"; |
| |
| v8::Debug::SetMessageHandler2(AfterCompileMessageHandler); |
| v8::Script::Compile(v8::String::New(script))->Run(); |
| v8::Debug::SetMessageHandler2(NULL); |
| |
| v8::Debug::SetMessageHandler2(AfterCompileMessageHandler); |
| v8::Debug::DebugBreak(); |
| v8::Script::Compile(v8::String::New(script))->Run(); |
| |
| // Setting listener to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // Compilation cache should be disabled when debugger is active. |
| CHECK_EQ(2, after_compile_message_count); |
| } |
| |
| |
| // Tests that break event is sent when message handler is reset. |
| TEST(BreakMessageWhenMessageHandlerIsReset) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| after_compile_message_count = 0; |
| const char* script = "function f() {};"; |
| |
| v8::Debug::SetMessageHandler2(AfterCompileMessageHandler); |
| v8::Script::Compile(v8::String::New(script))->Run(); |
| v8::Debug::SetMessageHandler2(NULL); |
| |
| v8::Debug::SetMessageHandler2(AfterCompileMessageHandler); |
| v8::Debug::DebugBreak(); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| |
| // Setting message handler to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| |
| // 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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::SetMessageHandler2(AfterCompileMessageHandler); |
| v8::Script::Compile(v8::String::New(script))->Run(); |
| v8::Debug::SetMessageHandler2(NULL); |
| |
| v8::Debug::SetMessageHandler2(ExceptionMessageHandler); |
| v8::Local<v8::Function> f = |
| v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f"))); |
| f->Call(env->Global(), 0, NULL); |
| |
| // Setting message handler to NULL should cause debugger unload. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| |
| 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| const char* script = "function f() {};"; |
| const char* resource_name = "test_resource"; |
| |
| // Set a couple of provisional breakpoint on lines out of the script lines |
| // range. |
| int sbp1 = SetScriptBreakPointByNameFromJS(resource_name, 3, |
| -1 /* no column */); |
| int sbp2 = SetScriptBreakPointByNameFromJS(resource_name, 5, 5); |
| |
| after_compile_message_count = 0; |
| v8::Debug::SetMessageHandler2(AfterCompileMessageHandler); |
| |
| v8::ScriptOrigin origin( |
| v8::String::New(resource_name), |
| v8::Integer::New(10), |
| v8::Integer::New(1)); |
| // Compile a script whose first line number is greater than the breakpoints' |
| // lines. |
| v8::Script::Compile(v8::String::New(script), &origin)->Run(); |
| |
| // 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(sbp1); |
| ClearBreakPointFromJS(sbp2); |
| v8::Debug::SetMessageHandler2(NULL); |
| } |
| |
| |
| static void BreakMessageHandler(const v8::Debug::Message& message) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| if (message.IsEvent() && message.GetEvent() == v8::Break) { |
| // Count the number of breaks. |
| break_point_hit_count++; |
| |
| v8::HandleScope scope; |
| message.GetJSON(); |
| |
| SendContinueCommand(); |
| } else if (message.IsEvent() && message.GetEvent() == v8::AfterCompile) { |
| v8::HandleScope scope; |
| |
| bool is_debug_break = isolate->stack_guard()->IsDebugBreak(); |
| // Force DebugBreak flag while serializer is working. |
| isolate->stack_guard()->DebugBreak(); |
| |
| // Force serialization to trigger some internal JS execution. |
| message.GetJSON(); |
| |
| // Restore previous state. |
| if (is_debug_break) { |
| isolate->stack_guard()->DebugBreak(); |
| } else { |
| isolate->stack_guard()->Continue(i::DEBUGBREAK); |
| } |
| } |
| } |
| |
| |
| // Test that if DebugBreak is forced it is ignored when code from |
| // debug-delay.js is executed. |
| TEST(NoDebugBreakInAfterCompileMessageHandler) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetMessageHandler2(BreakMessageHandler); |
| |
| // Set the debug break flag. |
| v8::Debug::DebugBreak(); |
| |
| // 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(); |
| f->Call(env->Global(), 0, NULL); |
| // 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::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| static int counting_message_handler_counter; |
| |
| static void CountingMessageHandler(const v8::Debug::Message& message) { |
| counting_message_handler_counter++; |
| } |
| |
| // Test that debug messages get processed when ProcessDebugMessages is called. |
| TEST(ProcessDebugMessages) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| counting_message_handler_counter = 0; |
| |
| v8::Debug::SetMessageHandler2(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(buffer, AsciiToUtf16(scripts_command, buffer)); |
| |
| CHECK_EQ(0, counting_message_handler_counter); |
| v8::Debug::ProcessDebugMessages(); |
| // At least one message should come |
| CHECK_GE(counting_message_handler_counter, 1); |
| |
| counting_message_handler_counter = 0; |
| |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer)); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer)); |
| CHECK_EQ(0, counting_message_handler_counter); |
| v8::Debug::ProcessDebugMessages(); |
| // At least two messages should come |
| CHECK_GE(counting_message_handler_counter, 2); |
| |
| // Get rid of the debug message handler. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| 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) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| v8::Debug::SetMessageHandler2(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(buffer, AsciiToUtf16(scripts_command, buffer)); |
| v8::Debug::ProcessDebugMessages(); |
| CHECK_EQ(BacktraceData::frame_counter, 0); |
| |
| v8::Handle<v8::String> void0 = v8::String::New("void(0)"); |
| v8::Handle<v8::Script> script = v8::Script::Compile(void0, void0); |
| |
| // Check backtrace from "void(0)" script. |
| BacktraceData::frame_counter = -10; |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer)); |
| script->Run(); |
| CHECK_EQ(BacktraceData::frame_counter, 1); |
| |
| // Get rid of the debug message handler. |
| v8::Debug::SetMessageHandler2(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(GetMirror) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Handle<v8::Value> obj = v8::Debug::GetMirror(v8::String::New("hodja")); |
| v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast( |
| v8::Script::New( |
| v8::String::New( |
| "function runTest(mirror) {" |
| " return mirror.isString() && (mirror.length() == 5);" |
| "}" |
| "" |
| "runTest;"))->Run()); |
| v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj); |
| CHECK(result->IsTrue()); |
| } |
| |
| |
| // Test that the debug break flag works with function.apply. |
| TEST(DebugBreakFunctionApply) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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(DebugEventBreakMax); |
| |
| // Set the debug break flag before calling the code using function.apply. |
| v8::Debug::DebugBreak(); |
| |
| // 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(env->Global(), 0, NULL); |
| |
| // When keeping the debug break several break will happen. |
| CHECK_GT(break_point_hit_count, 1); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| v8::Handle<v8::Context> debugee_context; |
| v8::Handle<v8::Context> debugger_context; |
| |
| |
| // Property getter that checks that current and calling contexts |
| // are both the debugee contexts. |
| static v8::Handle<v8::Value> NamedGetterWithCallingContextCheck( |
| v8::Local<v8::String> name, |
| const v8::AccessorInfo& info) { |
| CHECK_EQ(0, strcmp(*v8::String::AsciiValue(name), "a")); |
| v8::Handle<v8::Context> current = v8::Context::GetCurrent(); |
| CHECK(current == debugee_context); |
| CHECK(current != debugger_context); |
| v8::Handle<v8::Context> calling = v8::Context::GetCalling(); |
| CHECK(calling == debugee_context); |
| CHECK(calling != debugger_context); |
| return v8::Int32::New(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( |
| v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| CHECK(debugger_context == v8::Context::GetCurrent()); |
| v8::Handle<v8::Function> func(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::Handle<v8::Value> argv[argc] = { exec_state }; |
| v8::Handle<v8::Value> result = func->Call(exec_state, argc, argv); |
| CHECK(result->IsTrue()); |
| } |
| } |
| |
| |
| TEST(CallingContextIsNotDebugContext) { |
| v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug(); |
| // Create and enter a debugee context. |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| env.ExposeDebug(); |
| |
| // Save handles to the debugger and debugee contexts to be used in |
| // NamedGetterWithCallingContextCheck. |
| debugee_context = v8::Local<v8::Context>(*env); |
| debugger_context = v8::Utils::ToLocal(debug->debug_context()); |
| |
| // Create object with 'a' property accessor. |
| v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(); |
| named->SetAccessor(v8::String::New("a"), |
| NamedGetterWithCallingContextCheck); |
| env->Global()->Set(v8::String::New("obj"), |
| named->NewInstance()); |
| |
| // Register the debug event listener |
| v8::Debug::SetDebugEventListener(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(env->Global(), 0, NULL); |
| CHECK_EQ(1, break_point_hit_count); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| debugee_context = v8::Handle<v8::Context>(); |
| debugger_context = v8::Handle<v8::Context>(); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| TEST(DebugContextIsPreservedBetweenAccesses) { |
| v8::HandleScope scope; |
| v8::Local<v8::Context> context1 = v8::Debug::GetDebugContext(); |
| v8::Local<v8::Context> context2 = v8::Debug::GetDebugContext(); |
| CHECK_EQ(*context1, *context2); |
| } |
| |
| |
| static v8::Handle<v8::Value> expected_callback_data; |
| static void DebugEventContextChecker(const v8::Debug::EventDetails& details) { |
| CHECK(details.GetEventContext() == expected_context); |
| CHECK_EQ(expected_callback_data, details.GetCallbackData()); |
| } |
| |
| // Check that event details contain context where debug event occured. |
| TEST(DebugEventContext) { |
| v8::HandleScope scope; |
| expected_callback_data = v8::Int32::New(2010); |
| v8::Debug::SetDebugEventListener2(DebugEventContextChecker, |
| expected_callback_data); |
| expected_context = v8::Context::New(); |
| v8::Context::Scope context_scope(expected_context); |
| v8::Script::Compile(v8::String::New("(function(){debugger;})();"))->Run(); |
| expected_context.Dispose(); |
| expected_context.Clear(); |
| v8::Debug::SetDebugEventListener(NULL); |
| expected_context_data = v8::Handle<v8::Value>(); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| static void* expected_break_data; |
| static bool was_debug_break_called; |
| static bool was_debug_event_called; |
| static void DebugEventBreakDataChecker(const v8::Debug::EventDetails& details) { |
| if (details.GetEvent() == v8::BreakForCommand) { |
| CHECK_EQ(expected_break_data, details.GetClientData()); |
| was_debug_event_called = true; |
| } else if (details.GetEvent() == v8::Break) { |
| was_debug_break_called = true; |
| } |
| } |
| |
| |
| // Check that event details contain context where debug event occured. |
| TEST(DebugEventBreakData) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetDebugEventListener2(DebugEventBreakDataChecker); |
| |
| TestClientData::constructor_call_counter = 0; |
| TestClientData::destructor_call_counter = 0; |
| |
| expected_break_data = NULL; |
| was_debug_event_called = false; |
| was_debug_break_called = false; |
| v8::Debug::DebugBreakForCommand(); |
| v8::Script::Compile(v8::String::New("(function(x){return x;})(1);"))->Run(); |
| CHECK(was_debug_event_called); |
| CHECK(!was_debug_break_called); |
| |
| TestClientData* data1 = new TestClientData(); |
| expected_break_data = data1; |
| was_debug_event_called = false; |
| was_debug_break_called = false; |
| v8::Debug::DebugBreakForCommand(data1); |
| v8::Script::Compile(v8::String::New("(function(x){return x+1;})(1);"))->Run(); |
| CHECK(was_debug_event_called); |
| CHECK(!was_debug_break_called); |
| |
| expected_break_data = NULL; |
| was_debug_event_called = false; |
| was_debug_break_called = false; |
| v8::Debug::DebugBreak(); |
| v8::Script::Compile(v8::String::New("(function(x){return x+2;})(1);"))->Run(); |
| CHECK(!was_debug_event_called); |
| CHECK(was_debug_break_called); |
| |
| TestClientData* data2 = new TestClientData(); |
| expected_break_data = data2; |
| was_debug_event_called = false; |
| was_debug_break_called = false; |
| v8::Debug::DebugBreak(); |
| v8::Debug::DebugBreakForCommand(data2); |
| v8::Script::Compile(v8::String::New("(function(x){return x+3;})(1);"))->Run(); |
| CHECK(was_debug_event_called); |
| CHECK(was_debug_break_called); |
| |
| CHECK_EQ(2, TestClientData::constructor_call_counter); |
| CHECK_EQ(TestClientData::constructor_call_counter, |
| TestClientData::destructor_call_counter); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| static bool debug_event_break_deoptimize_done = false; |
| |
| static void DebugEventBreakDeoptimize(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| if (event == v8::Break) { |
| if (!frame_function_name.IsEmpty()) { |
| // Get the name of the function. |
| const int argc = 2; |
| v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) }; |
| v8::Handle<v8::Value> result = |
| frame_function_name->Call(exec_state, argc, argv); |
| if (!result->IsUndefined()) { |
| char fn[80]; |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> function_name(result->ToString()); |
| function_name->WriteAscii(fn); |
| if (strcmp(fn, "bar") == 0) { |
| i::Deoptimizer::DeoptimizeAll(); |
| debug_event_break_deoptimize_done = true; |
| } |
| } |
| } |
| |
| v8::Debug::DebugBreak(); |
| } |
| } |
| |
| |
| // Test deoptimization when execution is broken using the debug break stack |
| // check interrupt. |
| TEST(DeoptimizeDuringDebugBreak) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| 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"); |
| |
| |
| // 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(DebugEventBreakDeoptimize, |
| v8::Undefined()); |
| |
| // Compile and run function bar which will optimize it for some flag settings. |
| v8::Script::Compile(v8::String::New("function bar(){}; bar()"))->Run(); |
| |
| // Set debug break and call bar again. |
| v8::Debug::DebugBreak(); |
| v8::Script::Compile(v8::String::New("bar()"))->Run(); |
| |
| CHECK(debug_event_break_deoptimize_done); |
| |
| v8::Debug::SetDebugEventListener(NULL); |
| } |
| |
| |
| static void DebugEventBreakWithOptimizedStack(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| if (event == v8::Break) { |
| if (!frame_function_name.IsEmpty()) { |
| for (int i = 0; i < 2; i++) { |
| const int argc = 2; |
| v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(i) }; |
| // Get the name of the function in frame i. |
| v8::Handle<v8::Value> result = |
| frame_function_name->Call(exec_state, argc, argv); |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> function_name(result->ToString()); |
| CHECK(function_name->Equals(v8::String::New("loop"))); |
| // Get the name of the first argument in frame i. |
| result = frame_argument_name->Call(exec_state, argc, argv); |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> argument_name(result->ToString()); |
| CHECK(argument_name->Equals(v8::String::New("count"))); |
| // Get the value of the first argument in frame i. If the |
| // funtion 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(exec_state, argc, argv); |
| CHECK(result->IsUndefined() || (result->Int32Value() == 1 - i)); |
| // Get the name of the first local variable. |
| result = frame_local_name->Call(exec_state, argc, argv); |
| CHECK(result->IsString()); |
| v8::Handle<v8::String> local_name(result->ToString()); |
| CHECK(local_name->Equals(v8::String::New("local"))); |
| // 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(exec_state, argc, argv); |
| CHECK(result->IsUndefined() || (result->Int32Value() == 42)); |
| } |
| } |
| } |
| } |
| |
| |
| static v8::Handle<v8::Value> ScheduleBreak(const v8::Arguments& args) { |
| v8::Debug::SetDebugEventListener(DebugEventBreakWithOptimizedStack, |
| v8::Undefined()); |
| v8::Debug::DebugBreak(); |
| return v8::Undefined(); |
| } |
| |
| |
| TEST(DebugBreakStackInspection) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| 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::Handle<v8::FunctionTemplate> schedule_break_template = |
| v8::FunctionTemplate::New(ScheduleBreak); |
| v8::Handle<v8::Function> schedule_break = |
| schedule_break_template->GetFunction(); |
| env->Global()->Set(v8_str("scheduleBreak"), schedule_break); |
| |
| const char* src = |
| "function loop(count) {" |
| " var local = 42;" |
| " if (count < 1) { scheduleBreak(); loop(count + 1); }" |
| "}" |
| "loop(0);"; |
| v8::Script::Compile(v8::String::New(src))->Run(); |
| } |
| |
| |
| // 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 100 breaks for each test and then terminate JavaScript execution. |
| static const int kBreaksPerTest = 100; |
| |
| for (int i = 0; i < 1 && loop_bodies[i] != NULL; i++) { |
| // Perform a lazy deoptimization after various numbers of breaks |
| // have been hit. |
| for (int j = 0; j < 10; j++) { |
| break_point_hit_count_deoptimize = j; |
| if (j == 10) { |
| break_point_hit_count_deoptimize = kBreaksPerTest; |
| } |
| |
| break_point_hit_count = 0; |
| max_break_point_hit_count = kBreaksPerTest; |
| terminate_after_max_break_point_hit = true; |
| |
| EmbeddedVector<char, 1024> buffer; |
| OS::SNPrintF(buffer, |
| "function f() {%s%s%s}", |
| loop_head, loop_bodies[i], loop_tail); |
| |
| // Function with infinite loop. |
| CompileRun(buffer.start()); |
| |
| // Set the debug break to enter the debugger as soon as possible. |
| v8::Debug::DebugBreak(); |
| |
| // Call function with infinite loop. |
| CompileRun("f();"); |
| CHECK_EQ(kBreaksPerTest, break_point_hit_count); |
| |
| CHECK(!v8::V8::IsExecutionTerminating()); |
| } |
| } |
| } |
| |
| |
| TEST(DebugBreakLoop) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Register a debug event listener which sets the break flag and counts. |
| v8::Debug::SetDebugEventListener(DebugEventBreakMax); |
| |
| // Create a function for getting the frame count when hitting the break. |
| frame_count = CompileFunction(&env, frame_count_source, "frame_count"); |
| |
| CompileRun("var a = 1;"); |
| CompileRun("function g() { }"); |
| CompileRun("function h() { }"); |
| |
| const char* loop_bodies[] = { |
| "", |
| "g()", |
| "if (a == 0) { g() }", |
| "if (a == 1) { g() }", |
| "if (a == 0) { g() } else { h() }", |
| "if (a == 0) { continue }", |
| "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 |
| }; |
| |
| TestDebugBreakInLoop("while (true) {", loop_bodies, "}"); |
| TestDebugBreakInLoop("while (a == 1) {", loop_bodies, "}"); |
| |
| TestDebugBreakInLoop("do {", loop_bodies, "} while (true)"); |
| TestDebugBreakInLoop("do {", loop_bodies, "} while (a == 1)"); |
| |
| TestDebugBreakInLoop("for (;;) {", loop_bodies, "}"); |
| TestDebugBreakInLoop("for (;a == 1;) {", loop_bodies, "}"); |
| |
| // Get rid of the debug event listener. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(); |
| } |
| |
| |
| v8::Local<v8::Script> inline_script; |
| |
| static void DebugBreakInlineListener(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| 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 = v8::internal::Isolate::Current()->debug()->break_id(); |
| char script[128]; |
| i::Vector<char> script_vector(script, sizeof(script)); |
| OS::SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id); |
| v8::Local<v8::Value> result = CompileRun(script); |
| |
| int frame_count = result->Int32Value(); |
| 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. |
| OS::SNPrintF(script_vector, "%%GetFrameDetails(%d, %d)[5]", break_id, i); |
| v8::Local<v8::Value> result = CompileRun(script); |
| CHECK_EQ(expected_line_number[i], |
| i::GetScriptLineNumber(source_script, result->Int32Value())); |
| } |
| v8::Debug::SetDebugEventListener(NULL); |
| v8::V8::TerminateExecution(); |
| } |
| |
| |
| TEST(DebugBreakInline) { |
| i::FLAG_allow_natives_syntax = true; |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| 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(DebugBreakInlineListener); |
| inline_script = v8::Script::Compile(v8::String::New(source)); |
| inline_script->Run(); |
| } |
| |
| |
| #endif // ENABLE_DEBUGGER_SUPPORT |