Move V8 to external/v8
Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
new file mode 100644
index 0000000..1da363c
--- /dev/null
+++ b/test/cctest/test-debug.cc
@@ -0,0 +1,5370 @@
+// 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 "compilation-cache.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::CommandMessage;
+using ::v8::internal::CommandMessageQueue;
+using ::v8::internal::StepAction;
+using ::v8::internal::StepIn; // From StepAction enum
+using ::v8::internal::StepNext; // From StepAction enum
+using ::v8::internal::StepOut; // From StepAction enum
+using ::v8::internal::Vector;
+
+
+// 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)));
+}
+
+
+// Compile and run the supplied source and return the requested function.
+static v8::Local<v8::Function> CompileFunction(const char* source,
+ const char* function_name) {
+ v8::Script::Compile(v8::String::New(source))->Run();
+ return v8::Local<v8::Function>::Cast(
+ v8::Context::GetCurrent()->Global()->Get(v8::String::New(function_name)));
+}
+
+
+// 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();
+ CHECK(!try_catch.HasCaught());
+ return value->Int32Value();
+ }
+}
+
+
+// Set a break point in a script identified by name using the global Debug
+// object.
+static int SetScriptBreakPointByNameFromJS(const char* script_name,
+ int line, int column) {
+ EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
+ if (column >= 0) {
+ // Column specified set script break point on precise location.
+ OS::SNPrintF(buffer,
+ "debug.Debug.setScriptBreakPointByName(\"%s\",%d,%d)",
+ script_name, line, column);
+ } else {
+ // Column not specified set script break point on line.
+ OS::SNPrintF(buffer,
+ "debug.Debug.setScriptBreakPointByName(\"%s\",%d)",
+ script_name, line);
+ }
+ buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
+ {
+ v8::TryCatch try_catch;
+ v8::Handle<v8::String> str = v8::String::New(buffer.start());
+ v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run();
+ CHECK(!try_catch.HasCaught());
+ return value->Int32Value();
+ }
+}
+
+
+// Clear a break point.
+static void ClearBreakPoint(int break_point) {
+ 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 {
+
+// 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(false);
+ Heap::CollectAllGarbage(false);
+
+ // 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 {
+ CHECK(Debug::IsDebugBreakAtReturn(it1.it()->rinfo()));
+ }
+
+ // Clear the break point and check that the debug break function is no longer
+ // there
+ ClearBreakPoint(bp);
+ CHECK(!Debug::HasDebugInfo(shared));
+ CHECK(Debug::EnsureDebugInfo(shared));
+ TestBreakLocationIterator it2(Debug::GetDebugInfo(shared));
+ it2.FindBreakLocationFromPosition(position);
+ CHECK_EQ(mode, it2.it()->rinfo()->rmode());
+ if (mode == v8::internal::RelocInfo::JS_RETURN) {
+ CHECK(!Debug::IsDebugBreakAtReturn(it2.it()->rinfo()));
+ }
+}
+
+
+// --- D e b u g E v e n t H a n d l e r s
+// ---
+// --- The different tests uses a number of debug event handlers.
+// ---
+
+
+// Source for The JavaScript function which picks out the function name of 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 picks out the script name for the
+// top frame.
+const char* frame_script_name_source =
+ "function frame_script_name(exec_state) {"
+ " return exec_state.frame(0).func().script().name();"
+ "}";
+v8::Local<v8::Function> frame_script_name;
+
+
+// Source for The JavaScript function which picks out the script data for the
+// top frame.
+const char* frame_script_data_source =
+ "function frame_script_data(exec_state) {"
+ " return exec_state.frame(0).func().script().data();"
+ "}";
+v8::Local<v8::Function> frame_script_data;
+
+
+// Source for The JavaScript function which returns the number of frames.
+static const char* frame_count_source =
+ "function frame_count(exec_state) {"
+ " return exec_state.frameCount();"
+ "}";
+v8::Handle<v8::Function> frame_count;
+
+
+// Global variable to store the last function hit - used by some tests.
+char last_function_hit[80];
+
+// Global variable to store the name and data for last script hit - used by some
+// tests.
+char last_script_name_hit[80];
+char last_script_data_hit[80];
+
+// Global variables to store the last source position - used by some tests.
+int last_source_line = -1;
+int last_source_column = -1;
+
+// Debug event handler which counts the break points which have been hit.
+int break_point_hit_count = 0;
+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();
+ }
+
+ if (!frame_script_name.IsEmpty()) {
+ // Get the script name of the function script.
+ const int argc = 1;
+ v8::Handle<v8::Value> argv[argc] = { exec_state };
+ v8::Handle<v8::Value> result = frame_script_name->Call(exec_state,
+ argc, argv);
+ if (result->IsUndefined()) {
+ last_script_name_hit[0] = '\0';
+ } else {
+ CHECK(result->IsString());
+ v8::Handle<v8::String> script_name(result->ToString());
+ script_name->WriteAscii(last_script_name_hit);
+ }
+ }
+
+ if (!frame_script_data.IsEmpty()) {
+ // Get the script data of the function script.
+ const int argc = 1;
+ v8::Handle<v8::Value> argv[argc] = { exec_state };
+ v8::Handle<v8::Value> result = frame_script_data->Call(exec_state,
+ argc, argv);
+ if (result->IsUndefined()) {
+ last_script_data_hit[0] = '\0';
+ } else {
+ result = result->ToString();
+ CHECK(result->IsString());
+ v8::Handle<v8::String> script_data(result->ToString());
+ script_data->WriteAscii(last_script_data_hit);
+ }
+ }
+ }
+}
+
+
+// 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(false);
+ }
+ }
+}
+
+
+// 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(false);
+ 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 of the stepping mechanism for keyed load in a loop.
+TEST(DebugStepKeyedLoadLoop) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Create a function for testing stepping of keyed load. The statement 'y=1'
+ // is there to have more than one breakable statement in the loop, TODO(315).
+ v8::Local<v8::Function> foo = CompileFunction(
+ &env,
+ "function foo(a) {\n"
+ " var x;\n"
+ " var len = a.length;\n"
+ " for (var i = 0; i < len; i++) {\n"
+ " y = 1;\n"
+ " x = a[i];\n"
+ " }\n"
+ "}\n",
+ "foo");
+
+ // Create array [0,1,2,3,4,5,6,7,8,9]
+ v8::Local<v8::Array> a = v8::Array::New(10);
+ for (int i = 0; i < 10; i++) {
+ a->Set(v8::Number::New(i), v8::Number::New(i));
+ }
+
+ // Call function without any break points to ensure inlining is in place.
+ const int kArgc = 1;
+ v8::Handle<v8::Value> args[kArgc] = { a };
+ foo->Call(env->Global(), kArgc, args);
+
+ // Register a debug event listener which steps and counts.
+ v8::Debug::SetDebugEventListener(DebugEventStep);
+
+ // Setup break point and step through the function.
+ SetBreakPoint(foo, 3);
+ step_action = StepNext;
+ break_point_hit_count = 0;
+ foo->Call(env->Global(), kArgc, args);
+
+ // With stepping all break locations are hit.
+ CHECK_EQ(22, break_point_hit_count);
+
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+// Test of the stepping mechanism for keyed store in a loop.
+TEST(DebugStepKeyedStoreLoop) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Create a function for testing stepping of keyed store. The statement 'y=1'
+ // is there to have more than one breakable statement in the loop, TODO(315).
+ v8::Local<v8::Function> foo = CompileFunction(
+ &env,
+ "function foo(a) {\n"
+ " var len = a.length;\n"
+ " for (var i = 0; i < len; i++) {\n"
+ " y = 1;\n"
+ " a[i] = 42;\n"
+ " }\n"
+ "}\n",
+ "foo");
+
+ // Create array [0,1,2,3,4,5,6,7,8,9]
+ v8::Local<v8::Array> a = v8::Array::New(10);
+ for (int i = 0; i < 10; i++) {
+ a->Set(v8::Number::New(i), v8::Number::New(i));
+ }
+
+ // Call function without any break points to ensure inlining is in place.
+ const int kArgc = 1;
+ v8::Handle<v8::Value> args[kArgc] = { a };
+ foo->Call(env->Global(), kArgc, args);
+
+ // Register a debug event listener which steps and counts.
+ v8::Debug::SetDebugEventListener(DebugEventStep);
+
+ // Setup break point and step through the function.
+ SetBreakPoint(foo, 3);
+ step_action = StepNext;
+ break_point_hit_count = 0;
+ foo->Call(env->Global(), kArgc, args);
+
+ // With stepping all break locations are hit.
+ CHECK_EQ(22, 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.
+ CHECK_EQ(8, break_point_hit_count);
+
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+
+ // Register a debug event listener which just counts.
+ v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
+
+ SetBreakPoint(foo, 0);
+ break_point_hit_count = 0;
+ foo->Call(env->Global(), 0, NULL);
+
+ // Without stepping only active break points are hit.
+ CHECK_EQ(1, break_point_hit_count);
+
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+TEST(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. As --verify-heap is
+ // only available in debug mode only check for it in that case.
+#ifdef DEBUG
+ CHECK(v8::internal::FLAG_verify_heap);
+#endif
+
+ // Register a debug event listener which sets the break flag and counts.
+ v8::Debug::SetDebugEventListener(DebugEventBreak);
+
+ // Create a function for testing stepping.
+ const char* src = "function f0() {}"
+ "function f1(x1) {}"
+ "function f2(x1,x2) {}"
+ "function f3(x1,x2,x3) {}";
+ v8::Local<v8::Function> f0 = CompileFunction(&env, src, "f0");
+ v8::Local<v8::Function> f1 = CompileFunction(&env, src, "f1");
+ v8::Local<v8::Function> f2 = CompileFunction(&env, src, "f2");
+ v8::Local<v8::Function> f3 = CompileFunction(&env, src, "f3");
+
+ // Call the function to make sure it is compiled.
+ v8::Handle<v8::Value> argv[] = { v8::Number::New(1),
+ v8::Number::New(1),
+ v8::Number::New(1),
+ v8::Number::New(1) };
+
+ // Call all functions to make sure that they are compiled.
+ f0->Call(env->Global(), 0, NULL);
+ f1->Call(env->Global(), 0, NULL);
+ f2->Call(env->Global(), 0, NULL);
+ f3->Call(env->Global(), 0, NULL);
+
+ // Set the debug break flag.
+ v8::Debug::DebugBreak();
+
+ // Call all functions with different argument count.
+ break_point_hit_count = 0;
+ for (unsigned int i = 0; i < ARRAY_SIZE(argv); i++) {
+ f0->Call(env->Global(), i, argv);
+ f1->Call(env->Global(), i, argv);
+ f2->Call(env->Global(), i, argv);
+ f3->Call(env->Global(), i, argv);
+ }
+
+ // One break for each function called.
+ CHECK_EQ(4 * ARRAY_SIZE(argv), break_point_hit_count);
+
+ // Get rid of the debug event listener.
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+// Test to ensure that JavaScript code keeps running while the debug break
+// through the stack limit flag is set but breaks are disabled.
+TEST(DisableBreak) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Register a debug event listener which sets the break flag and counts.
+ v8::Debug::SetDebugEventListener(DebugEventCounter);
+
+ // Create a function for testing stepping.
+ const char* src = "function f() {g()};function g(){i=0; while(i<10){i++}}";
+ v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
+
+ // Set the debug break flag.
+ v8::Debug::DebugBreak();
+
+ // Call all functions with different argument count.
+ break_point_hit_count = 0;
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(1, break_point_hit_count);
+
+ {
+ v8::Debug::DebugBreak();
+ v8::internal::DisableBreak disable_break(true);
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(1, break_point_hit_count);
+ }
+
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, break_point_hit_count);
+
+ // Get rid of the debug event listener.
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+static 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());
+}
+
+
+static v8::Handle<v8::Value> ProtperyXNativeGetter(
+ v8::Local<v8::String> property, const v8::AccessorInfo& info) {
+ return v8::Integer::New(10);
+}
+
+
+TEST(NativeGetterPropertyMirror) {
+ // Create a V8 environment with debug access.
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ env.ExposeDebug();
+
+ v8::Handle<v8::String> name = v8::String::New("x");
+ // Create object with named accessor.
+ v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
+ named->SetAccessor(name, &ProtperyXNativeGetter, NULL,
+ v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
+
+ // Create object with named property getter.
+ env->Global()->Set(v8::String::New("instance"), named->NewInstance());
+ CHECK_EQ(10, CompileRun("instance.x")->Int32Value());
+
+ // Get mirror for the object with property getter.
+ CompileRun("instance_mirror = debug.MakeMirror(instance);");
+ CHECK(CompileRun(
+ "instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
+
+ CompileRun("named_names = instance_mirror.propertyNames();");
+ CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
+ CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
+ CHECK(CompileRun(
+ "instance_mirror.property('x').value().isNumber()")->BooleanValue());
+ CHECK(CompileRun(
+ "instance_mirror.property('x').value().value() == 10")->BooleanValue());
+}
+
+
+static v8::Handle<v8::Value> ProtperyXNativeGetterThrowingError(
+ v8::Local<v8::String> property, const v8::AccessorInfo& info) {
+ return CompileRun("throw new Error('Error message');");
+}
+
+
+TEST(NativeGetterThrowingErrorPropertyMirror) {
+ // Create a V8 environment with debug access.
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ env.ExposeDebug();
+
+ v8::Handle<v8::String> name = v8::String::New("x");
+ // Create object with named accessor.
+ v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
+ named->SetAccessor(name, &ProtperyXNativeGetterThrowingError, NULL,
+ v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
+
+ // Create object with named property getter.
+ env->Global()->Set(v8::String::New("instance"), named->NewInstance());
+
+ // Get mirror for the object with property getter.
+ CompileRun("instance_mirror = debug.MakeMirror(instance);");
+ CHECK(CompileRun(
+ "instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
+ CompileRun("named_names = instance_mirror.propertyNames();");
+ CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
+ CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
+ CHECK(CompileRun(
+ "instance_mirror.property('x').value().isError()")->BooleanValue());
+
+ // Check that the message is that passed to the Error constructor.
+ CHECK(CompileRun(
+ "instance_mirror.property('x').value().message() == 'Error message'")->
+ BooleanValue());
+}
+
+
+
+// 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();
+ CHECK(!invalid_);
+ if (num_blocked_ == num_threads_ - 1) {
+ // Signal and unblock all waiting threads.
+ for (int i = 0; i < num_threads_ - 1; ++i) {
+ sem_->Signal();
+ }
+ invalid_ = true;
+ printf("BARRIER\n\n");
+ fflush(stdout);
+ lock_->Unlock();
+ } else { // Wait for the semaphore.
+ ++num_blocked_;
+ lock_->Unlock(); // Potential race condition with destructor because
+ sem_->Wait(); // these two lines are not atomic.
+ }
+}
+
+// A set containing enough barriers and semaphores for any of the tests.
+class Barriers {
+ public:
+ Barriers();
+ void Initialize();
+ ThreadBarrier barrier_1;
+ ThreadBarrier barrier_2;
+ ThreadBarrier barrier_3;
+ ThreadBarrier barrier_4;
+ ThreadBarrier barrier_5;
+ v8::internal::Semaphore* semaphore_1;
+ v8::internal::Semaphore* semaphore_2;
+};
+
+Barriers::Barriers() : barrier_1(2), barrier_2(2),
+ barrier_3(2), barrier_4(2), barrier_5(2) {}
+
+void Barriers::Initialize() {
+ semaphore_1 = OS::CreateSemaphore(0);
+ semaphore_2 = OS::CreateSemaphore(0);
+}
+
+
+// We match parts of the message to decide if it is a break message.
+bool IsBreakEventMessage(char *message) {
+ const char* type_event = "\"type\":\"event\"";
+ const char* event_break = "\"event\":\"break\"";
+ // Does the message contain both type:event and event:break?
+ return strstr(message, type_event) != NULL &&
+ strstr(message, event_break) != NULL;
+}
+
+
+/* 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,
+ v8::Debug::ClientData* client_data) {
+ static char print_buffer[1000];
+ Utf16ToAscii(message, length, print_buffer);
+ if (IsBreakEventMessage(print_buffer)) {
+ // Lets test script wait until break occurs to send commands.
+ // Signals when a break is reported.
+ message_queue_barriers.semaphore_2->Signal();
+ }
+
+ // Allow message handler to block on a semaphore, to test queueing of
+ // messages while blocked.
+ message_queue_barriers.semaphore_1->Wait();
+ 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.semaphore_1->Signal();
+ message_queue_barriers.barrier_1.Wait();
+ // Post 6 commands, filling the command queue and making it expand.
+ // These calls return immediately, but the commands stay on the queue
+ // until the execution of source_2.
+ // Note: AsciiToUtf16 executes before SendCommand, so command is copied
+ // to buffer before buffer is sent to SendCommand.
+ v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_1, buffer_1));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
+ message_queue_barriers.barrier_2.Wait();
+ // Main thread compiles and runs source_2.
+ // Queued commands are executed at the start of compilation of source_2(
+ // beforeCompile event).
+ // Free the message handler to process all the messages from the queue. 7
+ // messages are expected: 2 afterCompile events and 5 responses.
+ // All the commands added so far will fail to execute as long as call stack
+ // is empty on beforeCompile event.
+ for (int i = 0; i < 6 ; ++i) {
+ message_queue_barriers.semaphore_1->Signal();
+ }
+ message_queue_barriers.barrier_3.Wait();
+ // Main thread compiles and runs source_3.
+ // Don't stop in the afterCompile handler.
+ message_queue_barriers.semaphore_1->Signal();
+ // source_3 includes a debugger statement, which causes a break event.
+ // Wait on break event from hitting "debugger" statement
+ message_queue_barriers.semaphore_2->Wait();
+ // These should execute after the "debugger" statement in source_2
+ v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_1, buffer_1));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_single_step, buffer_2));
+ // Run after 2 break events, 4 responses.
+ for (int i = 0; i < 6 ; ++i) {
+ message_queue_barriers.semaphore_1->Signal();
+ }
+ // Wait on break event after a single step executes.
+ message_queue_barriers.semaphore_2->Wait();
+ v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_2, buffer_1));
+ v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_continue, buffer_2));
+ // Run after 2 responses.
+ for (int i = 0; i < 2 ; ++i) {
+ message_queue_barriers.semaphore_1->Signal();
+ }
+ // Main thread continues running source_3 to end, waits for this thread.
+}
+
+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);
+}
+
+
+class TestClientData : public v8::Debug::ClientData {
+ public:
+ TestClientData() {
+ constructor_call_counter++;
+ }
+ virtual ~TestClientData() {
+ destructor_call_counter++;
+ }
+
+ static void ResetCounters() {
+ constructor_call_counter = 0;
+ destructor_call_counter = 0;
+ }
+
+ static int constructor_call_counter;
+ static int destructor_call_counter;
+};
+
+int TestClientData::constructor_call_counter = 0;
+int TestClientData::destructor_call_counter = 0;
+
+
+// Tests that MessageQueue doesn't destroy client data when expands and
+// does destroy when it dies.
+TEST(MessageQueueExpandAndDestroy) {
+ TestClientData::ResetCounters();
+ { // Create a scope for the queue.
+ CommandMessageQueue queue(1);
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ CHECK_EQ(0, TestClientData::destructor_call_counter);
+ queue.Get().Dispose();
+ CHECK_EQ(1, TestClientData::destructor_call_counter);
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
+ new TestClientData()));
+ CHECK_EQ(1, TestClientData::destructor_call_counter);
+ queue.Get().Dispose();
+ CHECK_EQ(2, TestClientData::destructor_call_counter);
+ }
+ // All the client data should be destroyed when the queue is destroyed.
+ CHECK_EQ(TestClientData::destructor_call_counter,
+ TestClientData::destructor_call_counter);
+}
+
+
+static int handled_client_data_instances_count = 0;
+static void MessageHandlerCountingClientData(
+ const v8::Debug::Message& message) {
+ if (message.GetClientData() != NULL) {
+ handled_client_data_instances_count++;
+ }
+}
+
+
+// Tests that all client data passed to the debugger are sent to the handler.
+TEST(SendClientDataToHandler) {
+ // Create a V8 environment
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ TestClientData::ResetCounters();
+ handled_client_data_instances_count = 0;
+ v8::Debug::SetMessageHandler2(MessageHandlerCountingClientData);
+ const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;";
+ const int kBufferSize = 1000;
+ uint16_t buffer[kBufferSize];
+ const char* command_1 =
+ "{\"seq\":117,"
+ "\"type\":\"request\","
+ "\"command\":\"evaluate\","
+ "\"arguments\":{\"expression\":\"1+2\"}}";
+ const char* command_2 =
+ "{\"seq\":118,"
+ "\"type\":\"request\","
+ "\"command\":\"evaluate\","
+ "\"arguments\":{\"expression\":\"1+a\"}}";
+ const char* command_continue =
+ "{\"seq\":106,"
+ "\"type\":\"request\","
+ "\"command\":\"continue\"}";
+
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer),
+ new TestClientData());
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer), NULL);
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer),
+ new TestClientData());
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer),
+ new TestClientData());
+ // All the messages will be processed on beforeCompile event.
+ CompileRun(source_1);
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer));
+ CHECK_EQ(3, TestClientData::constructor_call_counter);
+ CHECK_EQ(TestClientData::constructor_call_counter,
+ handled_client_data_instances_count);
+ CHECK_EQ(TestClientData::constructor_call_counter,
+ TestClientData::destructor_call_counter);
+}
+
+
+/* Test ThreadedDebugging */
+/* This test interrupts a running infinite loop that is
+ * occupying the v8 thread by a break command from the
+ * debugger thread. It then changes the value of a
+ * global object, to make the loop terminate.
+ */
+
+Barriers threaded_debugging_barriers;
+
+class V8Thread : public v8::internal::Thread {
+ public:
+ 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 v8::Debug::Message& message) {
+ static char print_buffer[1000];
+ v8::String::Value json(message.GetJSON());
+ Utf16ToAscii(*json, json.length(), print_buffer);
+ if (IsBreakEventMessage(print_buffer)) {
+ 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::SetMessageHandler2(&ThreadedMessageHandler);
+ v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
+ global_template->Set(v8::String::New("ThreadedAtBarrier1"),
+ v8::FunctionTemplate::New(ThreadedAtBarrier1));
+ v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template);
+ v8::Context::Scope context_scope(context);
+
+ CompileRun(source);
+}
+
+void DebuggerThread::Run() {
+ const int kBufSize = 1000;
+ uint16_t buffer[kBufSize];
+
+ const char* command_1 = "{\"seq\":102,"
+ "\"type\":\"request\","
+ "\"command\":\"evaluate\","
+ "\"arguments\":{\"expression\":\"bar(false)\"}}";
+ const char* command_2 = "{\"seq\":103,"
+ "\"type\":\"request\","
+ "\"command\":\"continue\"}";
+
+ threaded_debugging_barriers.barrier_1.Wait();
+ v8::Debug::DebugBreak();
+ threaded_debugging_barriers.barrier_2.Wait();
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer));
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer));
+}
+
+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 v8::Debug::Message& message) {
+ static char print_buffer[1000];
+ v8::String::Value json(message.GetJSON());
+ Utf16ToAscii(*json, json.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::SetMessageHandler2(&BreakpointsMessageHandler);
+
+ CompileRun(source_1);
+ breakpoints_barriers->barrier_1.Wait();
+ breakpoints_barriers->barrier_2.Wait();
+ CompileRun(source_2);
+}
+
+
+void BreakpointsDebuggerThread::Run() {
+ const int kBufSize = 1000;
+ uint16_t buffer[kBufSize];
+
+ const char* command_1 = "{\"seq\":101,"
+ "\"type\":\"request\","
+ "\"command\":\"setbreakpoint\","
+ "\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}";
+ const char* command_2 = "{\"seq\":102,"
+ "\"type\":\"request\","
+ "\"command\":\"setbreakpoint\","
+ "\"arguments\":{\"type\":\"function\",\"target\":\"dog\",\"line\":3}}";
+ const char* command_3 = "{\"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 v8::Debug::Message& message) {
+}
+
+
+TEST(SetMessageHandlerOnUninitializedVM) {
+ v8::Debug::SetMessageHandler2(DummyMessageHandler);
+}
+
+
+TEST(DebugBreakOnUninitializedVM) {
+ v8::Debug::DebugBreak();
+}
+
+
+TEST(SendCommandToUninitializedVM) {
+ const char* dummy_command = "{}";
+ uint16_t dummy_buffer[80];
+ int dummy_length = AsciiToUtf16(dummy_command, dummy_buffer);
+ v8::Debug::SendCommand(dummy_buffer, dummy_length);
+}
+
+
+// Source for a JavaScript function which returns the data parameter of a
+// function called in the context of the debugger. If no data parameter is
+// passed it throws an exception.
+static const char* debugger_call_with_data_source =
+ "function debugger_call_with_data(exec_state, data) {"
+ " if (data) return data;"
+ " throw 'No data!'"
+ "}";
+v8::Handle<v8::Function> debugger_call_with_data;
+
+
+// Source for a JavaScript function which returns the data parameter of a
+// function called in the context of the debugger. If no data parameter is
+// passed it throws an exception.
+static const char* debugger_call_with_closure_source =
+ "var x = 3;"
+ "(function (exec_state) {"
+ " if (exec_state.y) return x - 1;"
+ " exec_state.y = x;"
+ " return exec_state.y"
+ "})";
+v8::Handle<v8::Function> debugger_call_with_closure;
+
+// Function to retrieve the number of JavaScript frames by calling a JavaScript
+// in the debugger.
+static v8::Handle<v8::Value> CheckFrameCount(const v8::Arguments& args) {
+ CHECK(v8::Debug::Call(frame_count)->IsNumber());
+ CHECK_EQ(args[0]->Int32Value(),
+ v8::Debug::Call(frame_count)->Int32Value());
+ return v8::Undefined();
+}
+
+
+// Function to retrieve the source line of the top JavaScript frame by calling a
+// JavaScript function in the debugger.
+static v8::Handle<v8::Value> CheckSourceLine(const v8::Arguments& args) {
+ CHECK(v8::Debug::Call(frame_source_line)->IsNumber());
+ CHECK_EQ(args[0]->Int32Value(),
+ v8::Debug::Call(frame_source_line)->Int32Value());
+ return v8::Undefined();
+}
+
+
+// Function to test passing an additional parameter to a JavaScript function
+// called in the debugger. It also tests that functions called in the debugger
+// can throw exceptions.
+static v8::Handle<v8::Value> CheckDataParameter(const v8::Arguments& args) {
+ v8::Handle<v8::String> data = v8::String::New("Test");
+ CHECK(v8::Debug::Call(debugger_call_with_data, data)->IsString());
+
+ CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty());
+ CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty());
+
+ v8::TryCatch catcher;
+ v8::Debug::Call(debugger_call_with_data);
+ CHECK(catcher.HasCaught());
+ CHECK(catcher.Exception()->IsString());
+
+ return v8::Undefined();
+}
+
+
+// Function to test using a JavaScript with closure in the debugger.
+static v8::Handle<v8::Value> CheckClosure(const v8::Arguments& args) {
+ CHECK(v8::Debug::Call(debugger_call_with_closure)->IsNumber());
+ CHECK_EQ(3, v8::Debug::Call(debugger_call_with_closure)->Int32Value());
+ return v8::Undefined();
+}
+
+
+// Test functions called through the debugger.
+TEST(CallFunctionInDebugger) {
+ // Create and enter a context with the functions CheckFrameCount,
+ // CheckSourceLine and CheckDataParameter installed.
+ v8::HandleScope scope;
+ v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
+ global_template->Set(v8::String::New("CheckFrameCount"),
+ v8::FunctionTemplate::New(CheckFrameCount));
+ global_template->Set(v8::String::New("CheckSourceLine"),
+ v8::FunctionTemplate::New(CheckSourceLine));
+ global_template->Set(v8::String::New("CheckDataParameter"),
+ v8::FunctionTemplate::New(CheckDataParameter));
+ global_template->Set(v8::String::New("CheckClosure"),
+ v8::FunctionTemplate::New(CheckClosure));
+ v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template);
+ v8::Context::Scope context_scope(context);
+
+ // Compile a function for checking the number of JavaScript frames.
+ v8::Script::Compile(v8::String::New(frame_count_source))->Run();
+ frame_count = v8::Local<v8::Function>::Cast(
+ context->Global()->Get(v8::String::New("frame_count")));
+
+ // Compile a function for returning the source line for the top frame.
+ v8::Script::Compile(v8::String::New(frame_source_line_source))->Run();
+ frame_source_line = v8::Local<v8::Function>::Cast(
+ context->Global()->Get(v8::String::New("frame_source_line")));
+
+ // Compile a function returning the data parameter.
+ v8::Script::Compile(v8::String::New(debugger_call_with_data_source))->Run();
+ debugger_call_with_data = v8::Local<v8::Function>::Cast(
+ context->Global()->Get(v8::String::New("debugger_call_with_data")));
+
+ // Compile a function capturing closure.
+ debugger_call_with_closure = v8::Local<v8::Function>::Cast(
+ v8::Script::Compile(
+ v8::String::New(debugger_call_with_closure_source))->Run());
+
+ // Calling a function through the debugger returns 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();
+}
+
+
+// Debugger message handler which counts the number of breaks.
+static void SendContinueCommand();
+static void MessageHandlerBreakPointHitCount(
+ const v8::Debug::Message& message) {
+ if (message.IsEvent() && message.GetEvent() == v8::Break) {
+ // Count the number of breaks.
+ break_point_hit_count++;
+
+ SendContinueCommand();
+ }
+}
+
+
+// Test that clearing the debug event listener actually clears all break points
+// and related information.
+TEST(DebuggerUnload) {
+ DebugLocalContext env;
+
+ // Check debugger is unloaded before it is used.
+ CheckDebuggerUnloaded();
+
+ // Set a debug event listener.
+ break_point_hit_count = 0;
+ v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
+ v8::Undefined());
+ {
+ v8::HandleScope scope;
+ // Create a couple of functions for the test.
+ v8::Local<v8::Function> foo =
+ CompileFunction(&env, "function foo(){x=1}", "foo");
+ v8::Local<v8::Function> bar =
+ CompileFunction(&env, "function bar(){y=2}", "bar");
+
+ // Set some break points.
+ SetBreakPoint(foo, 0);
+ SetBreakPoint(foo, 4);
+ SetBreakPoint(bar, 0);
+ SetBreakPoint(bar, 4);
+
+ // Make sure that the break points are there.
+ break_point_hit_count = 0;
+ foo->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, break_point_hit_count);
+ bar->Call(env->Global(), 0, NULL);
+ CHECK_EQ(4, break_point_hit_count);
+ }
+
+ // Remove the debug event listener without clearing breakpoints. Do this
+ // outside a handle scope.
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded(true);
+
+ // Now set a debug message handler.
+ break_point_hit_count = 0;
+ v8::Debug::SetMessageHandler2(MessageHandlerBreakPointHitCount);
+ {
+ v8::HandleScope scope;
+
+ // Get the test functions again.
+ v8::Local<v8::Function> foo =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
+ v8::Local<v8::Function> bar =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
+
+ foo->Call(env->Global(), 0, NULL);
+ CHECK_EQ(0, break_point_hit_count);
+
+ // Set break points and run again.
+ SetBreakPoint(foo, 0);
+ SetBreakPoint(foo, 4);
+ foo->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, break_point_hit_count);
+ }
+
+ // Remove the debug message handler without clearing breakpoints. Do this
+ // outside a handle scope.
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded(true);
+}
+
+
+// Sends continue command to the debugger.
+static void SendContinueCommand() {
+ const int kBufferSize = 1000;
+ uint16_t buffer[kBufferSize];
+ const char* command_continue =
+ "{\"seq\":0,"
+ "\"type\":\"request\","
+ "\"command\":\"continue\"}";
+
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer));
+}
+
+
+// Debugger message handler which counts the number of times it is called.
+static int message_handler_hit_count = 0;
+static void MessageHandlerHitCount(const v8::Debug::Message& message) {
+ message_handler_hit_count++;
+
+ SendContinueCommand();
+}
+
+
+// Test clearing the debug message handler.
+TEST(DebuggerClearMessageHandler) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Check debugger is unloaded before it is used.
+ CheckDebuggerUnloaded();
+
+ // Set a debug message handler.
+ v8::Debug::SetMessageHandler2(MessageHandlerHitCount);
+
+ // Run code to throw a unhandled exception. This should end up in the message
+ // handler.
+ CompileRun("throw 1");
+
+ // The message handler should be called.
+ CHECK_GT(message_handler_hit_count, 0);
+
+ // Clear debug message handler.
+ message_handler_hit_count = 0;
+ v8::Debug::SetMessageHandler(NULL);
+
+ // Run code to throw a unhandled exception. This should end up in the message
+ // handler.
+ CompileRun("throw 1");
+
+ // The message handler should not be called more.
+ CHECK_EQ(0, message_handler_hit_count);
+
+ CheckDebuggerUnloaded(true);
+}
+
+
+// Debugger message handler which clears the message handler while active.
+static void MessageHandlerClearingMessageHandler(
+ const v8::Debug::Message& message) {
+ message_handler_hit_count++;
+
+ // Clear debug message handler.
+ v8::Debug::SetMessageHandler(NULL);
+}
+
+
+// Test clearing the debug message handler while processing a debug event.
+TEST(DebuggerClearMessageHandlerWhileActive) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Check debugger is unloaded before it is used.
+ CheckDebuggerUnloaded();
+
+ // Set a debug message handler.
+ v8::Debug::SetMessageHandler2(MessageHandlerClearingMessageHandler);
+
+ // Run code to throw a unhandled exception. This should end up in the message
+ // handler.
+ CompileRun("throw 1");
+
+ // The message handler should be called.
+ CHECK_EQ(1, message_handler_hit_count);
+
+ CheckDebuggerUnloaded(true);
+}
+
+
+/* Test DebuggerHostDispatch */
+/* In this test, the debugger waits for a command on a breakpoint
+ * and is dispatching host commands while in the infinite loop.
+ */
+
+class HostDispatchV8Thread : public v8::internal::Thread {
+ public:
+ void Run();
+};
+
+class HostDispatchDebuggerThread : public v8::internal::Thread {
+ public:
+ void Run();
+};
+
+Barriers* host_dispatch_barriers;
+
+static void HostDispatchMessageHandler(const v8::Debug::Message& message) {
+ static char print_buffer[1000];
+ v8::String::Value json(message.GetJSON());
+ Utf16ToAscii(*json, json.length(), print_buffer);
+ printf("%s\n", print_buffer);
+ fflush(stdout);
+}
+
+
+static void HostDispatchDispatchHandler() {
+ host_dispatch_barriers->semaphore_1->Signal();
+}
+
+
+void HostDispatchV8Thread::Run() {
+ const char* source_1 = "var y_global = 3;\n"
+ "function cat( new_value ) {\n"
+ " var x = new_value;\n"
+ " y_global = 4;\n"
+ " x = 3 * x + 1;\n"
+ " y_global = 5;\n"
+ " return x;\n"
+ "}\n"
+ "\n";
+ const char* source_2 = "cat(17);\n";
+
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Setup message and host dispatch handlers.
+ v8::Debug::SetMessageHandler2(HostDispatchMessageHandler);
+ v8::Debug::SetHostDispatchHandler(HostDispatchDispatchHandler, 10 /* ms */);
+
+ CompileRun(source_1);
+ host_dispatch_barriers->barrier_1.Wait();
+ host_dispatch_barriers->barrier_2.Wait();
+ CompileRun(source_2);
+}
+
+
+void HostDispatchDebuggerThread::Run() {
+ const int kBufSize = 1000;
+ uint16_t buffer[kBufSize];
+
+ const char* command_1 = "{\"seq\":101,"
+ "\"type\":\"request\","
+ "\"command\":\"setbreakpoint\","
+ "\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}";
+ const char* command_2 = "{\"seq\":102,"
+ "\"type\":\"request\","
+ "\"command\":\"continue\"}";
+
+ // v8 thread initializes, runs source_1
+ host_dispatch_barriers->barrier_1.Wait();
+ // 1: Set breakpoint in cat().
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer));
+
+ host_dispatch_barriers->barrier_2.Wait();
+ // v8 thread starts compiling source_2.
+ // Break happens, to run queued commands and host dispatches.
+ // Wait for host dispatch to be processed.
+ host_dispatch_barriers->semaphore_1->Wait();
+ // 2: Continue evaluation
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer));
+}
+
+HostDispatchDebuggerThread host_dispatch_debugger_thread;
+HostDispatchV8Thread host_dispatch_v8_thread;
+
+
+TEST(DebuggerHostDispatch) {
+ i::FLAG_debugger_auto_break = true;
+
+ // Create a V8 environment
+ Barriers stack_allocated_host_dispatch_barriers;
+ stack_allocated_host_dispatch_barriers.Initialize();
+ host_dispatch_barriers = &stack_allocated_host_dispatch_barriers;
+
+ host_dispatch_v8_thread.Start();
+ host_dispatch_debugger_thread.Start();
+
+ host_dispatch_v8_thread.Join();
+ host_dispatch_debugger_thread.Join();
+}
+
+
+TEST(DebuggerAgent) {
+ // Make sure these ports is not used by other tests to allow tests to run in
+ // parallel.
+ const int kPort1 = 5858;
+ const int kPort2 = 5857;
+ const int kPort3 = 5856;
+
+ // Make a string with the port2 number.
+ const int kPortBufferLen = 6;
+ char port2_str[kPortBufferLen];
+ OS::SNPrintF(i::Vector<char>(port2_str, kPortBufferLen), "%d", kPort2);
+
+ bool ok;
+
+ // Initialize the socket library.
+ i::Socket::Setup();
+
+ // Test starting and stopping the agent without any client connection.
+ i::Debugger::StartAgent("test", kPort1);
+ i::Debugger::StopAgent();
+
+ // Test starting the agent, connecting a client and shutting down the agent
+ // with the client connected.
+ ok = i::Debugger::StartAgent("test", kPort2);
+ CHECK(ok);
+ i::Debugger::WaitForAgent();
+ i::Socket* client = i::OS::CreateSocket();
+ ok = client->Connect("localhost", port2_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(kPort3);
+
+ i::Debugger::StartAgent("test", kPort3);
+ 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;
+ env.ExposeDebug();
+
+ EmptyExternalStringResource source_ext_str;
+ v8::Local<v8::String> source = v8::String::NewExternal(&source_ext_str);
+ v8::Handle<v8::Script> evil_script = v8::Script::Compile(source);
+ Handle<i::ExternalTwoByteString> i_source(
+ i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source)));
+ // This situation can happen if source was an external string disposed
+ // by its owner.
+ i_source->set_resource(0);
+
+ bool allow_natives_syntax = i::FLAG_allow_natives_syntax;
+ i::FLAG_allow_natives_syntax = true;
+ CompileRun(
+ "var scripts = %DebugGetLoadedScripts();"
+ "var count = scripts.length;"
+ "for (var i = 0; i < count; ++i) {"
+ " scripts[i].line_ends;"
+ "}");
+ // Must not crash while accessing line_ends.
+ i::FLAG_allow_natives_syntax = allow_natives_syntax;
+
+ // Some scripts are retrieved - at least the number of native scripts.
+ CHECK_GT((*env)->Global()->Get(v8::String::New("count"))->Int32Value(), 8);
+}
+
+
+// Test script break points set on lines.
+TEST(ScriptNameAndData) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ env.ExposeDebug();
+
+ // Create functions for retrieving script name and data for the function on
+ // the top frame when hitting a break point.
+ frame_script_name = CompileFunction(&env,
+ frame_script_name_source,
+ "frame_script_name");
+ frame_script_data = CompileFunction(&env,
+ frame_script_data_source,
+ "frame_script_data");
+
+ v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
+ v8::Undefined());
+
+ // Test function source.
+ v8::Local<v8::String> script = v8::String::New(
+ "function f() {\n"
+ " debugger;\n"
+ "}\n");
+
+ v8::ScriptOrigin origin1 = v8::ScriptOrigin(v8::String::New("name"));
+ v8::Handle<v8::Script> script1 = v8::Script::Compile(script, &origin1);
+ script1->SetData(v8::String::New("data"));
+ script1->Run();
+ v8::Local<v8::Function> f;
+ f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(1, break_point_hit_count);
+ CHECK_EQ("name", last_script_name_hit);
+ CHECK_EQ("data", last_script_data_hit);
+
+ // Compile the same script again without setting data. As the compilation
+ // cache is disabled when debugging expect the data to be missing.
+ v8::Script::Compile(script, &origin1)->Run();
+ f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, break_point_hit_count);
+ CHECK_EQ("name", last_script_name_hit);
+ CHECK_EQ("", last_script_data_hit); // Undefined results in empty string.
+
+ v8::Local<v8::String> data_obj_source = v8::String::New(
+ "({ a: 'abc',\n"
+ " b: 123,\n"
+ " toString: function() { return this.a + ' ' + this.b; }\n"
+ "})\n");
+ v8::Local<v8::Value> data_obj = v8::Script::Compile(data_obj_source)->Run();
+ v8::ScriptOrigin origin2 = v8::ScriptOrigin(v8::String::New("new name"));
+ v8::Handle<v8::Script> script2 = v8::Script::Compile(script, &origin2);
+ script2->Run();
+ script2->SetData(data_obj);
+ f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(3, break_point_hit_count);
+ CHECK_EQ("new name", last_script_name_hit);
+ CHECK_EQ("abc 123", last_script_data_hit);
+}
+
+
+static v8::Persistent<v8::Context> expected_context;
+static v8::Handle<v8::Value> expected_context_data;
+
+
+// Check that the expected context is the one generating the debug event.
+static void ContextCheckMessageHandler(const v8::Debug::Message& message) {
+ CHECK(message.GetEventContext() == expected_context);
+ CHECK(message.GetEventContext()->GetData()->StrictEquals(
+ expected_context_data));
+ message_handler_hit_count++;
+
+ // Send a continue command for break events.
+ if (message.GetEvent() == v8::Break) {
+ SendContinueCommand();
+ }
+}
+
+
+// Test which creates two contexts and sets different embedder data on each.
+// Checks that this data is set correctly and that when the debug message
+// handler is called the expected context is the one active.
+TEST(ContextData) {
+ v8::HandleScope scope;
+
+ v8::Debug::SetMessageHandler2(ContextCheckMessageHandler);
+
+ // Create two contexts.
+ v8::Persistent<v8::Context> context_1;
+ v8::Persistent<v8::Context> context_2;
+ v8::Handle<v8::ObjectTemplate> global_template =
+ v8::Handle<v8::ObjectTemplate>();
+ v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>();
+ context_1 = v8::Context::New(NULL, global_template, global_object);
+ context_2 = v8::Context::New(NULL, global_template, global_object);
+
+ // Default data value is undefined.
+ CHECK(context_1->GetData()->IsUndefined());
+ CHECK(context_2->GetData()->IsUndefined());
+
+ // Set and check different data values.
+ v8::Handle<v8::Value> data_1 = v8::Number::New(1);
+ v8::Handle<v8::Value> data_2 = v8::String::New("2");
+ context_1->SetData(data_1);
+ context_2->SetData(data_2);
+ CHECK(context_1->GetData()->StrictEquals(data_1));
+ CHECK(context_2->GetData()->StrictEquals(data_2));
+
+ // Simple test function which causes a break.
+ const char* source = "function f() { debugger; }";
+
+ // Enter and run function in the first context.
+ {
+ v8::Context::Scope context_scope(context_1);
+ expected_context = context_1;
+ expected_context_data = data_1;
+ v8::Local<v8::Function> f = CompileFunction(source, "f");
+ f->Call(context_1->Global(), 0, NULL);
+ }
+
+
+ // Enter and run function in the second context.
+ {
+ v8::Context::Scope context_scope(context_2);
+ expected_context = context_2;
+ expected_context_data = data_2;
+ v8::Local<v8::Function> f = CompileFunction(source, "f");
+ f->Call(context_2->Global(), 0, NULL);
+ }
+
+ // Two times compile event and two times break event.
+ CHECK_GT(message_handler_hit_count, 4);
+
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+// Debug message handler which issues a debug break when it hits a break event.
+static int message_handler_break_hit_count = 0;
+static void DebugBreakMessageHandler(const v8::Debug::Message& message) {
+ // Schedule a debug break for break events.
+ if (message.IsEvent() && message.GetEvent() == v8::Break) {
+ message_handler_break_hit_count++;
+ if (message_handler_break_hit_count == 1) {
+ v8::Debug::DebugBreak();
+ }
+ }
+
+ // Issue a continue command if this event will not cause the VM to start
+ // running.
+ if (!message.WillStartRunning()) {
+ SendContinueCommand();
+ }
+}
+
+
+// Test that a debug break can be scheduled while in a message handler.
+TEST(DebugBreakInMessageHandler) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ v8::Debug::SetMessageHandler2(DebugBreakMessageHandler);
+
+ // Test functions.
+ const char* script = "function f() { debugger; g(); } function g() { }";
+ CompileRun(script);
+ v8::Local<v8::Function> f =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+ v8::Local<v8::Function> g =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
+
+ // Call f then g. The debugger statement in f will casue a break which will
+ // cause another break.
+ f->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, message_handler_break_hit_count);
+ // Calling g will not cause any additional breaks.
+ g->Call(env->Global(), 0, NULL);
+ CHECK_EQ(2, message_handler_break_hit_count);
+}
+
+
+#ifdef V8_NATIVE_REGEXP
+// Debug event handler which gets the function on the top frame and schedules a
+// break a number of times.
+static void DebugEventDebugBreak(
+ v8::DebugEvent event,
+ v8::Handle<v8::Object> exec_state,
+ v8::Handle<v8::Object> event_data,
+ v8::Handle<v8::Value> data) {
+
+ if (event == v8::Break) {
+ break_point_hit_count++;
+
+ // Get the name of the top frame function.
+ if (!frame_function_name.IsEmpty()) {
+ // Get the name of the function.
+ const int argc = 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);
+ }
+ }
+
+ // Keep forcing breaks.
+ if (break_point_hit_count < 20) {
+ v8::Debug::DebugBreak();
+ }
+ }
+}
+
+
+TEST(RegExpDebugBreak) {
+ // This test only applies to native regexps.
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Create a function for checking the function when hitting a break point.
+ frame_function_name = CompileFunction(&env,
+ frame_function_name_source,
+ "frame_function_name");
+
+ // Test RegExp which matches white spaces and comments at the begining of a
+ // source line.
+ const char* script =
+ "var sourceLineBeginningSkip = /^(?:[ \\v\\h]*(?:\\/\\*.*?\\*\\/)*)*/;\n"
+ "function f(s) { return s.match(sourceLineBeginningSkip)[0].length; }";
+
+ v8::Local<v8::Function> f = CompileFunction(script, "f");
+ const int argc = 1;
+ v8::Handle<v8::Value> argv[argc] = { v8::String::New(" /* xxx */ a=0;") };
+ v8::Local<v8::Value> result = f->Call(env->Global(), argc, argv);
+ CHECK_EQ(12, result->Int32Value());
+
+ v8::Debug::SetDebugEventListener(DebugEventDebugBreak);
+ v8::Debug::DebugBreak();
+ result = f->Call(env->Global(), argc, argv);
+
+ // Check that there was only one break event. Matching RegExp should not
+ // cause Break events.
+ CHECK_EQ(1, break_point_hit_count);
+ CHECK_EQ("f", last_function_hit);
+}
+#endif // V8_NATIVE_REGEXP
+
+
+// Common part of EvalContextData and NestedBreakEventContextData tests.
+static void ExecuteScriptForContextCheck() {
+ // Create a context.
+ v8::Persistent<v8::Context> context_1;
+ v8::Handle<v8::ObjectTemplate> global_template =
+ v8::Handle<v8::ObjectTemplate>();
+ v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>();
+ context_1 = v8::Context::New(NULL, global_template, global_object);
+
+ // Default data value is undefined.
+ CHECK(context_1->GetData()->IsUndefined());
+
+ // Set and check a data value.
+ v8::Handle<v8::Value> data_1 = v8::Number::New(1);
+ context_1->SetData(data_1);
+ CHECK(context_1->GetData()->StrictEquals(data_1));
+
+ // Simple test function with eval that causes a break.
+ const char* source = "function f() { eval('debugger;'); }";
+
+ // Enter and run function in the context.
+ {
+ v8::Context::Scope context_scope(context_1);
+ expected_context = context_1;
+ expected_context_data = data_1;
+ v8::Local<v8::Function> f = CompileFunction(source, "f");
+ f->Call(context_1->Global(), 0, NULL);
+ }
+}
+
+
+// Test which creates a context and sets embedder data on it. Checks that this
+// data is set correctly and that when the debug message handler is called for
+// break event in an eval statement the expected context is the one returned by
+// Message.GetEventContext.
+TEST(EvalContextData) {
+ v8::HandleScope scope;
+ v8::Debug::SetMessageHandler2(ContextCheckMessageHandler);
+
+ ExecuteScriptForContextCheck();
+
+ // One time compile event and one time break event.
+ CHECK_GT(message_handler_hit_count, 2);
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+static bool sent_eval = false;
+static int break_count = 0;
+static int continue_command_send_count = 0;
+// Check that the expected context is the one generating the debug event
+// including the case of nested break event.
+static void DebugEvalContextCheckMessageHandler(
+ const v8::Debug::Message& message) {
+ CHECK(message.GetEventContext() == expected_context);
+ CHECK(message.GetEventContext()->GetData()->StrictEquals(
+ expected_context_data));
+ message_handler_hit_count++;
+
+ if (message.IsEvent() && message.GetEvent() == v8::Break) {
+ break_count++;
+ if (!sent_eval) {
+ sent_eval = true;
+
+ const int kBufferSize = 1000;
+ uint16_t buffer[kBufferSize];
+ const char* eval_command =
+ "{\"seq\":0,"
+ "\"type\":\"request\","
+ "\"command\":\"evaluate\","
+ "arguments:{\"expression\":\"debugger;\","
+ "\"global\":true,\"disable_break\":false}}";
+
+ // Send evaluate command.
+ v8::Debug::SendCommand(buffer, AsciiToUtf16(eval_command, buffer));
+ return;
+ } else {
+ // It's a break event caused by the evaluation request above.
+ SendContinueCommand();
+ continue_command_send_count++;
+ }
+ } else if (message.IsResponse() && continue_command_send_count < 2) {
+ // Response to the evaluation request. We're still on the breakpoint so
+ // send continue.
+ SendContinueCommand();
+ continue_command_send_count++;
+ }
+}
+
+
+// Tests that context returned for break event is correct when the event occurs
+// in 'evaluate' debugger request.
+TEST(NestedBreakEventContextData) {
+ v8::HandleScope scope;
+ break_count = 0;
+ message_handler_hit_count = 0;
+ v8::Debug::SetMessageHandler2(DebugEvalContextCheckMessageHandler);
+
+ ExecuteScriptForContextCheck();
+
+ // One time compile event and two times break event.
+ CHECK_GT(message_handler_hit_count, 3);
+
+ // One break from the source and another from the evaluate request.
+ CHECK_EQ(break_count, 2);
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+// Debug event listener which counts the script collected events.
+int script_collected_count = 0;
+static void DebugEventScriptCollectedEvent(v8::DebugEvent event,
+ v8::Handle<v8::Object> exec_state,
+ v8::Handle<v8::Object> event_data,
+ v8::Handle<v8::Value> data) {
+ // Count the number of breaks.
+ if (event == v8::ScriptCollected) {
+ script_collected_count++;
+ }
+}
+
+
+// Test that scripts collected are reported through the debug event listener.
+TEST(ScriptCollectedEvent) {
+ break_point_hit_count = 0;
+ script_collected_count = 0;
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Request the loaded scripts to initialize the debugger script cache.
+ Debug::GetLoadedScripts();
+
+ // Do garbage collection to ensure that only the script in this test will be
+ // collected afterwards.
+ Heap::CollectAllGarbage(false);
+
+ script_collected_count = 0;
+ v8::Debug::SetDebugEventListener(DebugEventScriptCollectedEvent,
+ v8::Undefined());
+ {
+ v8::Script::Compile(v8::String::New("eval('a=1')"))->Run();
+ v8::Script::Compile(v8::String::New("eval('a=2')"))->Run();
+ }
+
+ // Do garbage collection to collect the script above which is no longer
+ // referenced.
+ Heap::CollectAllGarbage(false);
+
+ CHECK_EQ(2, script_collected_count);
+
+ v8::Debug::SetDebugEventListener(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+// Debug event listener which counts the script collected events.
+int script_collected_message_count = 0;
+static void ScriptCollectedMessageHandler(const v8::Debug::Message& message) {
+ // Count the number of scripts collected.
+ if (message.IsEvent() && message.GetEvent() == v8::ScriptCollected) {
+ script_collected_message_count++;
+ v8::Handle<v8::Context> context = message.GetEventContext();
+ CHECK(context.IsEmpty());
+ }
+}
+
+
+// Test that GetEventContext doesn't fail and return empty handle for
+// ScriptCollected events.
+TEST(ScriptCollectedEventContext) {
+ script_collected_message_count = 0;
+ v8::HandleScope scope;
+
+ { // Scope for the DebugLocalContext.
+ DebugLocalContext env;
+
+ // Request the loaded scripts to initialize the debugger script cache.
+ Debug::GetLoadedScripts();
+
+ // Do garbage collection to ensure that only the script in this test will be
+ // collected afterwards.
+ Heap::CollectAllGarbage(false);
+
+ v8::Debug::SetMessageHandler2(ScriptCollectedMessageHandler);
+ {
+ v8::Script::Compile(v8::String::New("eval('a=1')"))->Run();
+ v8::Script::Compile(v8::String::New("eval('a=2')"))->Run();
+ }
+ }
+
+ // Do garbage collection to collect the script above which is no longer
+ // referenced.
+ Heap::CollectAllGarbage(false);
+
+ CHECK_EQ(2, script_collected_message_count);
+
+ v8::Debug::SetMessageHandler2(NULL);
+}
+
+
+// Debug event listener which counts the after compile events.
+int after_compile_message_count = 0;
+static void AfterCompileMessageHandler(const v8::Debug::Message& message) {
+ // Count the number of scripts collected.
+ if (message.IsEvent()) {
+ if (message.GetEvent() == v8::AfterCompile) {
+ after_compile_message_count++;
+ } else if (message.GetEvent() == v8::Break) {
+ SendContinueCommand();
+ }
+ }
+}
+
+
+// Tests that after compile event is sent as many times as there are scripts
+// compiled.
+TEST(AfterCompileMessageWhenMessageHandlerIsReset) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ after_compile_message_count = 0;
+ const char* script = "var a=1";
+
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+ v8::Script::Compile(v8::String::New(script))->Run();
+ v8::Debug::SetMessageHandler2(NULL);
+
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+ v8::Debug::DebugBreak();
+ v8::Script::Compile(v8::String::New(script))->Run();
+
+ // Setting listener to NULL should cause debugger unload.
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+
+ // Compilation cache should be disabled when debugger is active.
+ CHECK_EQ(2, after_compile_message_count);
+}
+
+
+// Tests that break event is sent when message handler is reset.
+TEST(BreakMessageWhenMessageHandlerIsReset) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ after_compile_message_count = 0;
+ const char* script = "function f() {};";
+
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+ v8::Script::Compile(v8::String::New(script))->Run();
+ v8::Debug::SetMessageHandler2(NULL);
+
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+ v8::Debug::DebugBreak();
+ v8::Local<v8::Function> f =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+ f->Call(env->Global(), 0, NULL);
+
+ // Setting message handler to NULL should cause debugger unload.
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+
+ // Compilation cache should be disabled when debugger is active.
+ CHECK_EQ(1, after_compile_message_count);
+}
+
+
+static int exception_event_count = 0;
+static void ExceptionMessageHandler(const v8::Debug::Message& message) {
+ if (message.IsEvent() && message.GetEvent() == v8::Exception) {
+ exception_event_count++;
+ SendContinueCommand();
+ }
+}
+
+
+// Tests that exception event is sent when message handler is reset.
+TEST(ExceptionMessageWhenMessageHandlerIsReset) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ exception_event_count = 0;
+ const char* script = "function f() {throw new Error()};";
+
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+ v8::Script::Compile(v8::String::New(script))->Run();
+ v8::Debug::SetMessageHandler2(NULL);
+
+ v8::Debug::SetMessageHandler2(ExceptionMessageHandler);
+ v8::Local<v8::Function> f =
+ v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
+ f->Call(env->Global(), 0, NULL);
+
+ // Setting message handler to NULL should cause debugger unload.
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+
+ CHECK_EQ(1, exception_event_count);
+}
+
+
+// Tests after compile event is sent when there are some provisional
+// breakpoints out of the scripts lines range.
+TEST(ProvisionalBreakpointOnLineOutOfRange) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ env.ExposeDebug();
+ const char* script = "function f() {};";
+ const char* resource_name = "test_resource";
+
+ // Set a couple of provisional breakpoint on lines out of the script lines
+ // range.
+ int sbp1 = SetScriptBreakPointByNameFromJS(resource_name, 3,
+ -1 /* no column */);
+ int sbp2 = SetScriptBreakPointByNameFromJS(resource_name, 5, 5);
+
+ after_compile_message_count = 0;
+ v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
+
+ v8::ScriptOrigin origin(
+ v8::String::New(resource_name),
+ v8::Integer::New(10),
+ v8::Integer::New(1));
+ // Compile a script whose first line number is greater than the breakpoints'
+ // lines.
+ v8::Script::Compile(v8::String::New(script), &origin)->Run();
+
+ // If the script is compiled successfully there is exactly one after compile
+ // event. In case of an exception in debugger code after compile event is not
+ // sent.
+ CHECK_EQ(1, after_compile_message_count);
+
+ ClearBreakPointFromJS(sbp1);
+ ClearBreakPointFromJS(sbp2);
+ v8::Debug::SetMessageHandler2(NULL);
+}
+
+
+static void BreakMessageHandler(const v8::Debug::Message& message) {
+ if (message.IsEvent() && message.GetEvent() == v8::Break) {
+ // Count the number of breaks.
+ break_point_hit_count++;
+
+ v8::HandleScope scope;
+ v8::Handle<v8::String> json = message.GetJSON();
+
+ SendContinueCommand();
+ } else if (message.IsEvent() && message.GetEvent() == v8::AfterCompile) {
+ v8::HandleScope scope;
+
+ bool is_debug_break = i::StackGuard::IsDebugBreak();
+ // Force DebugBreak flag while serializer is working.
+ i::StackGuard::DebugBreak();
+
+ // Force serialization to trigger some internal JS execution.
+ v8::Handle<v8::String> json = message.GetJSON();
+
+ // Restore previous state.
+ if (is_debug_break) {
+ i::StackGuard::DebugBreak();
+ } else {
+ i::StackGuard::Continue(i::DEBUGBREAK);
+ }
+ }
+}
+
+
+// Test that if DebugBreak is forced it is ignored when code from
+// debug-delay.js is executed.
+TEST(NoDebugBreakInAfterCompileMessageHandler) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+
+ // Register a debug event listener which sets the break flag and counts.
+ v8::Debug::SetMessageHandler2(BreakMessageHandler);
+
+ // Set the debug break flag.
+ v8::Debug::DebugBreak();
+
+ // Create a function for testing stepping.
+ const char* src = "function f() { eval('var x = 10;'); } ";
+ v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
+
+ // There should be only one break event.
+ CHECK_EQ(1, break_point_hit_count);
+
+ // Set the debug break flag again.
+ v8::Debug::DebugBreak();
+ f->Call(env->Global(), 0, NULL);
+ // There should be one more break event when the script is evaluated in 'f'.
+ CHECK_EQ(2, break_point_hit_count);
+
+ // Get rid of the debug message handler.
+ v8::Debug::SetMessageHandler2(NULL);
+ CheckDebuggerUnloaded();
+}
+
+
+TEST(GetMirror) {
+ v8::HandleScope scope;
+ DebugLocalContext env;
+ v8::Handle<v8::Value> obj = v8::Debug::GetMirror(v8::String::New("hodja"));
+ v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast(
+ v8::Script::New(
+ v8::String::New(
+ "function runTest(mirror) {"
+ " return mirror.isString() && (mirror.length() == 5);"
+ "}"
+ ""
+ "runTest;"))->Run());
+ v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
+ CHECK(result->IsTrue());
+}