| // Copyright 2007-2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| |
| #include "v8.h" |
| |
| #include "api.h" |
| #include "debug.h" |
| #include "platform.h" |
| #include "stub-cache.h" |
| #include "cctest.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::StepAction; |
| using ::v8::internal::StepIn; // From StepAction enum |
| using ::v8::internal::StepNext; // From StepAction enum |
| using ::v8::internal::StepOut; // From StepAction enum |
| |
| |
| // 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() { |
| // 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 = |
| v8::internal::Factory::LookupAsciiSymbol("debug"); |
| SetProperty(global, debug_string, |
| Handle<Object>(Debug::debug_context()->global_proxy()), DONT_ENUM); |
| } |
| 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))); |
| } |
| |
| // Helper function that compiles and runs the source. |
| static v8::Local<v8::Value> CompileRun(const char* source) { |
| return v8::Script::Compile(v8::String::New(source))->Run(); |
| } |
| |
| // 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()); |
| Debug::SetBreakPoint( |
| shared, position, |
| Handle<Object>(v8::internal::Smi::FromInt(++break_point))); |
| 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(); |
| ASSERT(!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(); |
| ASSERT(!try_catch.HasCaught()); |
| return value->Int32Value(); |
| } |
| } |
| |
| |
| // Clear a break point. |
| static void ClearBreakPoint(int break_point) { |
| 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) { |
| 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) { |
| Debug::PrepareStep(step_action, 1); |
| } |
| |
| |
| // This function is in namespace v8::internal to be friend with class |
| // v8::internal::Debug. |
| namespace v8 { namespace internal { // NOLINT |
| |
| // Collect the currently debugged functions. |
| Handle<FixedArray> GetDebuggedFunctions() { |
| 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 = |
| v8::internal::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) { |
| CALL_HEAP_FUNCTION(v8::internal::StubCache::ComputeCallDebugBreak(argc), |
| Code); |
| } |
| |
| |
| // 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(Debug::debug_context().is_null()); |
| CHECK_EQ(NULL, Debug::debug_info_list_); |
| |
| // Collect garbage to ensure weak handles are cleared. |
| Heap::CollectAllGarbage(); |
| Heap::CollectAllGarbage(); |
| |
| // Iterate the head and check that there are no debugger related objects left. |
| HeapIterator iterator; |
| while (iterator.has_next()) { |
| HeapObject* obj = iterator.next(); |
| CHECK(obj != NULL); |
| 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())); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| |
| } } // namespace v8::internal |
| |
| |
| // Check that the debugger has been fully unloaded. |
| static void CheckDebuggerUnloaded(bool check_functions = false) { |
| 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) { |
| // 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); |
| CHECK_EQ(mode, it1.it()->rinfo()->rmode()); |
| if (mode != v8::internal::RelocInfo::JS_RETURN) { |
| CHECK_EQ(debug_break, |
| Code::GetCodeFromTargetAddress(it1.it()->rinfo()->target_address())); |
| } else { |
| // TODO(1240753): Make the test architecture independent or split |
| // parts of the debugger into architecture dependent files. |
| CHECK_EQ(0xE8, *(it1.rinfo()->pc())); |
| } |
| |
| // 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); |
| CHECK_EQ(mode, it2.it()->rinfo()->rmode()); |
| if (mode == v8::internal::RelocInfo::JS_RETURN) { |
| // TODO(1240753): Make the test architecture independent or split |
| // parts of the debugger into architecture dependent files. |
| CHECK_NE(0xE8, *(it2.rinfo()->pc())); |
| } |
| } |
| |
| |
| // --- 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 the |
| // top frame. |
| const char* frame_function_name_source = |
| "function frame_function_name(exec_state) {" |
| " return exec_state.frame(0).func().name();" |
| "}"; |
| v8::Local<v8::Function> frame_function_name; |
| |
| |
| // 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 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 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; |
| static void DebugEventBreakPointHitCount(v8::DebugEvent event, |
| v8::Handle<v8::Object> exec_state, |
| v8::Handle<v8::Object> event_data, |
| v8::Handle<v8::Value> data) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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 = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| 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(); |
| } |
| } |
| } |
| |
| |
| // 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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::Debug::break_id(), 0); |
| |
| if (event == v8::Break) { |
| break_point_hit_count++; |
| v8::Handle<v8::Function> fun = v8::Handle<v8::Function>::Cast(data); |
| 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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::Debug::break_id(), 0); |
| |
| if (event == v8::Break || event == v8::Exception) { |
| // Check that the current function is the expected. |
| CHECK(break_point_hit_count < |
| static_cast<int>(strlen(expected_step_sequence))); |
| const int argc = 1; |
| v8::Handle<v8::Value> argv[argc] = { exec_state }; |
| 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, strlen(*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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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(0, v8::internal::NEW_SPACE); |
| } else { |
| // Mark sweep (and perhaps compact). |
| Heap::CollectAllGarbage(); |
| } |
| } |
| } |
| |
| |
| // 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) { |
| // When hitting a debug event listener there must be a break set. |
| CHECK_NE(v8::internal::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(0, v8::internal::NEW_SPACE); |
| |
| // Set the break flag again to come back here as soon as possible. |
| v8::Debug::DebugBreak(); |
| } |
| } |
| |
| |
| // --- 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; |
| 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, |
| Builtins::builtin(Builtins::StoreIC_DebugBreak)); |
| CheckDebugBreakFunction(&env, |
| "function f3(){var a=x;}", "f3", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET_CONTEXT, |
| Builtins::builtin(Builtins::LoadIC_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, |
| Builtins::builtin(Builtins::KeyedStoreIC_DebugBreak)); |
| CheckDebugBreakFunction( |
| &env, |
| "function f5(){var index='propertyName'; var a={}; return a[index];}", |
| "f5", |
| 0, |
| v8::internal::RelocInfo::CODE_TARGET, |
| Builtins::builtin(Builtins::KeyedLoadIC_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 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(16, last_source_column); |
| foo->Call(env->Global(), 0, NULL); |
| CHECK_EQ(2, break_point_hit_count); |
| CHECK_EQ(0, last_source_line); |
| CHECK_EQ(16, 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); |
| |
| 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(0, 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(); |
| 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. |
| foo = CompileFunction(&env, "function foo(){bar=0;}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallAndGC(env->Global(), foo); |
| |
| // Test IC load break point with garbage collection. |
| 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. |
| foo = CompileFunction(&env, "function bar(){};function foo(){bar();}", "foo"); |
| SetBreakPoint(foo, 0); |
| CallAndGC(env->Global(), foo); |
| |
| // Test return break point with garbage collection. |
| foo = CompileFunction(&env, "function foo(){}", "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, "a % 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"))); |
| |
| // Chesk that a break point was hit when the script was run. |
| CHECK_EQ(1, break_point_hit_count); |
| CHECK_EQ(0, strlen(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, strlen(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, strlen(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 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(); |
| } |
| |
| |
| // 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.*/" |
| " a=x;" |
| "}", |
| "foo"); |
| const int foo_break_position = 15; |
| |
| // 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); |
| 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 + 1); |
| 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(); |
| } |
| |
| |
| // 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"); |
| 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 the stepping mechanism with different ICs. |
| TEST(DebugStepLinearMixedICs) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // 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"); |
| SetBreakPoint(foo, 0); |
| |
| // 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. For ARM the keyed load/store |
| // is not hit as they are not implemented as ICs. |
| #if defined (__arm__) || defined(__thumb__) |
| CHECK_EQ(6, break_point_hit_count); |
| #else |
| CHECK_EQ(8, break_point_hit_count); |
| #endif |
| |
| 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(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. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " a = 1;" |
| " if (x) {" |
| " b = 1;" |
| " } else {" |
| " c = 1;" |
| " d = 1;" |
| " }" |
| "}"; |
| 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(3, 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(4, 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. |
| 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;" |
| " break;" |
| " }" |
| "}"; |
| 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(4, 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(3, 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(4, 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. |
| const int argc = 1; |
| const char* src = "function foo(x) { " |
| " a = 1;" |
| " for (i = 0; i < x; i++) {" |
| " b = 1;" |
| " }" |
| "}"; |
| 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(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 functions for testing stepping. |
| const char* src = "function a() {b();c();}; " |
| "function b() {c();}; " |
| "function 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(strlen(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(strlen(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(strlen(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 functions for testing stepping. |
| const char* src = "function a() {b(c(d()),d());c(d());d()}; " |
| "function b(x,y) {c();}; " |
| "function c(x) {}; " |
| "function 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(strlen(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(strlen(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(strlen(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 functions for testing stepping. |
| const char* src = "function a() {b(false);c();}; " |
| "function b(x) {if(x){c();};}; " |
| "function 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 = "abaca"; |
| a->Call(env->Global(), 0, NULL); |
| CHECK_EQ(strlen(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(6, 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(4, 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(6, 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 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::Top::TraceException(false); |
| |
| // Create functions for testing break on exception. |
| v8::Local<v8::Function> throws = |
| 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 break on uncaught exception. |
| 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(1, exception_hit_count); |
| CHECK_EQ(1, 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; |
| |
| v8::internal::Top::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; |
| |
| // 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(strlen(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(strlen(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 = "dded"; |
| d->Call(env->Global(), 0, NULL); |
| CHECK_EQ(strlen(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 = "ddeed"; |
| d->Call(env->Global(), 0, NULL); |
| CHECK_EQ(strlen(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 = "ffghf"; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(strlen(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 = "ffghhf"; |
| f->Call(env->Global(), 0, NULL); |
| CHECK_EQ(strlen(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. This is an ASSERT and |
| // not a CHECK as --verify-heap is only available in debug mode. |
| ASSERT(v8::internal::FLAG_verify_heap); |
| |
| // 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 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()); |
| |
| // 4 is PropertyType.Interceptor |
| OS::SNPrintF(buffer, "named_values[%d].propertyType()", i); |
| CHECK_EQ(4, 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()); |
| } |
| |
| |
| // Multithreaded tests of JSON debugger protocol |
| |
| // Support classes |
| |
| // 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) { |
| for (int i = 0; i < length; ++i) { |
| output_buffer[i] = static_cast<char>(input_buffer[i]); |
| } |
| output_buffer[length] = '\0'; |
| return length; |
| } |
| |
| // 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(); |
| ASSERT(!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; |
| } |
| |
| |
| /* 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: |
| void Run(); |
| }; |
| |
| static void MessageHandler(const uint16_t* message, int length, void *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(); |
| printf("%s\n", print_buffer); |
| fflush(stdout); |
| } |
| |
| |
| 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.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. |
| message_queue_barriers.barrier_3.Wait(); |
| // Free the message handler to process all the messages from the queue. |
| for (int i = 0; i < 20 ; ++i) { |
| message_queue_barriers.semaphore_1->Signal(); |
| } |
| // Main thread compiles and runs source_3. |
| // 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_2, AsciiToUtf16(command_single_step, buffer_2)); |
| // 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)); |
| // Main thread continues running source_3 to end, waits for this thread. |
| } |
| |
| MessageQueueDebuggerThread message_queue_debugger_thread; |
| |
| // This thread runs the v8 engine. |
| TEST(MessageQueues) { |
| // 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); |
| } |
| |
| /* 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: |
| void Run(); |
| }; |
| |
| class DebuggerThread : public v8::internal::Thread { |
| public: |
| 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 uint16_t* message, int length, |
| void *data) { |
| static char print_buffer[1000]; |
| Utf16ToAscii(message, length, print_buffer); |
| if (IsBreakEventMessage(print_buffer)) { |
| threaded_debugging_barriers.barrier_2.Wait(); |
| } |
| printf("%s\n", print_buffer); |
| fflush(stdout); |
| } |
| |
| |
| 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::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetMessageHandler(&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)); |
| } |
| |
| DebuggerThread debugger_thread; |
| V8Thread v8_thread; |
| |
| TEST(ThreadedDebugging) { |
| // 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: |
| void Run(); |
| }; |
| |
| class BreakpointsDebuggerThread : public v8::internal::Thread { |
| public: |
| void Run(); |
| }; |
| |
| |
| Barriers* breakpoints_barriers; |
| |
| static void BreakpointsMessageHandler(const uint16_t* message, |
| int length, |
| void *data) { |
| static char print_buffer[1000]; |
| Utf16ToAscii(message, length, print_buffer); |
| printf("%s\n", print_buffer); |
| fflush(stdout); |
| |
| // Is break_template a prefix of the message? |
| if (IsBreakEventMessage(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 = 4;\n" |
| " x = 3 * x + 1;\n" |
| " 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::HandleScope scope; |
| DebugLocalContext env; |
| v8::Debug::SetMessageHandler(&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 = "{\"seq\":104," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false}}"; |
| const char* command_4 = "{\"seq\":105," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"x\",\"disable_break\":true}}"; |
| const char* command_5 = "{\"seq\":106," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| const char* command_6 = "{\"seq\":107," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| const char* command_7 = "{\"seq\":108," |
| "\"type\":\"request\"," |
| "\"command\":\"evaluate\"," |
| "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true}}"; |
| const char* command_8 = "{\"seq\":109," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| |
| // v8 thread initializes, runs source_1 |
| breakpoints_barriers->barrier_1.Wait(); |
| // 1:Set breakpoint in cat(). |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer)); |
| // 2:Set breakpoint in dog() |
| 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(); |
| // 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 |
| // 5:Evaluate x |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_4, buffer)); |
| // 6:Continue evaluation of dog() |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_5, buffer)); |
| // dog() finishes. |
| // 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 |
| // 8: Evaluate dog() with breaks disabled |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_7, buffer)); |
| // 9: Continue evaluation of source2, reach end. |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_8, buffer)); |
| } |
| |
| BreakpointsDebuggerThread breakpoints_debugger_thread; |
| BreakpointsV8Thread breakpoints_v8_thread; |
| |
| TEST(RecursiveBreakpoints) { |
| i::FLAG_debugger_auto_break = true; |
| |
| // 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(); |
| } |
| |
| |
| 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 uint16_t* message, |
| int length, void *data) { |
| } |
| |
| |
| TEST(SetMessageHandlerOnUninitializedVM) { |
| v8::Debug::SetMessageHandler(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 undefined if there are no |
| // JavaScript frames. |
| CHECK(v8::Debug::Call(frame_count)->IsUndefined()); |
| CHECK(v8::Debug::Call(frame_source_line)->IsUndefined()); |
| CHECK(v8::Debug::Call(debugger_call_with_data)->IsUndefined()); |
| |
| // 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(); |
| } |
| |
| |
| // Test that clearing the debug event listener actually clears all break points |
| // and related information. |
| TEST(DebuggerUnload) { |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| // Check debugger is unloaded before it is used. |
| CheckDebuggerUnloaded(); |
| |
| // Add debug event listener. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| // 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. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(true); |
| |
| // Set a new debug event listener. |
| v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount, |
| v8::Undefined()); |
| // Check that the break points was actually cleared. |
| break_point_hit_count = 0; |
| 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 event listener without clearing breakpoints again. |
| v8::Debug::SetDebugEventListener(NULL); |
| CheckDebuggerUnloaded(true); |
| } |
| |
| |
| // Debugger message handler which counts the number of times it is called. |
| static int message_handler_hit_count = 0; |
| static void MessageHandlerHitCount(const uint16_t* message, |
| int length, void* data) { |
| message_handler_hit_count++; |
| |
| 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)); |
| } |
| |
| |
| // 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::SetMessageHandler(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 uint16_t* message, |
| int length, |
| void* data) { |
| 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::SetMessageHandler(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); |
| } |
| |
| |
| int host_dispatch_hit_count = 0; |
| static void HostDispatchHandlerHitCount(void* dispatch, void *data) { |
| host_dispatch_hit_count++; |
| } |
| |
| |
| // Test that clearing the debug event listener actually clears all break points |
| // and related information. |
| TEST(DebuggerHostDispatch) { |
| i::FLAG_debugger_auto_break = true; |
| |
| v8::HandleScope scope; |
| DebugLocalContext env; |
| |
| const int kBufferSize = 1000; |
| uint16_t buffer[kBufferSize]; |
| const char* command_continue = |
| "{\"seq\":0," |
| "\"type\":\"request\"," |
| "\"command\":\"continue\"}"; |
| |
| // Setup message and host dispatch handlers. |
| v8::Debug::SetMessageHandler(DummyMessageHandler); |
| v8::Debug::SetHostDispatchHandler(HostDispatchHandlerHitCount, |
| NULL); |
| |
| // Fill a host dispatch and a continue command on the command queue before |
| // running some code. |
| v8::Debug::SendHostDispatch(NULL); |
| v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer)); |
| CompileRun("void 0"); |
| |
| // The host dispatch callback should be called. |
| CHECK_EQ(1, host_dispatch_hit_count); |
| } |
| |
| |
| TEST(DebuggerAgent) { |
| // Make sure this port is not used by other tests to allow tests to run in |
| // parallel. |
| const int kPort = 5858; |
| |
| // 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); |
| |
| bool ok; |
| |
| // Initialize the socket library. |
| i::Socket::Setup(); |
| |
| // Test starting and stopping the agent without any client connection. |
| i::Debugger::StartAgent("test", kPort); |
| i::Debugger::StopAgent(); |
| |
| // Test starting the agent, connecting a client and shutting down the agent |
| // with the client connected. |
| ok = i::Debugger::StartAgent("test", kPort); |
| CHECK(ok); |
| i::Socket* client = i::OS::CreateSocket(); |
| ok = client->Connect("localhost", port_str); |
| CHECK(ok); |
| i::Debugger::StopAgent(); |
| delete client; |
| |
| // Test starting and stopping the agent with the required port already |
| // occoupied. |
| i::Socket* server = i::OS::CreateSocket(); |
| server->Bind(kPort); |
| |
| i::Debugger::StartAgent("test", kPort); |
| i::Debugger::StopAgent(); |
| |
| delete server; |
| } |
| |
| |
| class DebuggerAgentProtocolServerThread : public i::Thread { |
| public: |
| explicit DebuggerAgentProtocolServerThread(int port) |
| : 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::SmartPointer<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, strlen(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; |
| 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); |
| 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();" |
| "for (var i = 0; i < scripts.length; ++i) {" |
| " scripts[i].line_ends;" |
| "}"); |
| // Must not crash while accessing line_ends. |
| i::FLAG_allow_natives_syntax = allow_natives_syntax; |
| } |