Version 3.19.13

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@15068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index b241f32..94dcce1 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -98,10 +98,21 @@
 v8::Isolate* CcTest::default_isolate_;
 
 
+class CcTestArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
+ public:
+  virtual void* Allocate(size_t length) { return malloc(length); }
+  virtual void Free(void* data) { free(data); }
+};
+
+
 int main(int argc, char* argv[]) {
   v8::internal::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
   v8::internal::FLAG_harmony_array_buffer = true;
   v8::internal::FLAG_harmony_typed_arrays = true;
+
+  CcTestArrayBufferAllocator array_buffer_allocator;
+  v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
+
   CcTest::set_default_isolate(v8::Isolate::GetCurrent());
   CHECK(CcTest::default_isolate() != NULL);
   int tests_run = 0;
diff --git a/test/cctest/cctest.status b/test/cctest/cctest.status
index 8ce11eb..59b3dc3 100644
--- a/test/cctest/cctest.status
+++ b/test/cctest/cctest.status
@@ -78,6 +78,9 @@
 # BUG(2628): The test sometimes fails on MIPS simulator.
 test-cpu-profiler/SampleWhenFrameIsNotSetup: PASS || FAIL
 
+# BUG(2657): Test sometimes times out on MIPS simulator.
+test-thread-termination/TerminateMultipleV8ThreadsDefaultIsolate: PASS || TIMEOUT
+
 ##############################################################################
 [ $arch == android_arm || $arch == android_ia32 ]
 
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index a69fe90..5d3a79d 100755
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -1037,7 +1037,12 @@
 static const double kFastReturnValueDouble = 2.7;
 // variable return values
 static bool fast_return_value_bool = false;
-static bool fast_return_value_void_is_null = false;
+enum ReturnValueOddball {
+  kNullReturnValue,
+  kUndefinedReturnValue,
+  kEmptyStringReturnValue
+};
+static ReturnValueOddball fast_return_value_void;
 static bool fast_return_value_object_is_empty = false;
 
 template<>
@@ -1072,10 +1077,16 @@
 void FastReturnValueCallback<void>(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
   CheckReturnValue(info);
-  if (fast_return_value_void_is_null) {
-    info.GetReturnValue().SetNull();
-  } else {
-    info.GetReturnValue().SetUndefined();
+  switch (fast_return_value_void) {
+    case kNullReturnValue:
+      info.GetReturnValue().SetNull();
+      break;
+    case kUndefinedReturnValue:
+      info.GetReturnValue().SetUndefined();
+      break;
+    case kEmptyStringReturnValue:
+      info.GetReturnValue().SetEmptyString();
+      break;
   }
 }
 
@@ -1135,13 +1146,25 @@
     CHECK_EQ(fast_return_value_bool, value->ToBoolean()->Value());
   }
   // check oddballs
-  for (int i = 0; i < 2; i++) {
-    fast_return_value_void_is_null = i == 0;
+  ReturnValueOddball oddballs[] = {
+      kNullReturnValue,
+      kUndefinedReturnValue,
+      kEmptyStringReturnValue
+  };
+  for (size_t i = 0; i < ARRAY_SIZE(oddballs); i++) {
+    fast_return_value_void = oddballs[i];
     value = TestFastReturnValues<void>();
-    if (fast_return_value_void_is_null) {
-      CHECK(value->IsNull());
-    } else {
-      CHECK(value->IsUndefined());
+    switch (fast_return_value_void) {
+      case kNullReturnValue:
+        CHECK(value->IsNull());
+        break;
+      case kUndefinedReturnValue:
+        CHECK(value->IsUndefined());
+        break;
+      case kEmptyStringReturnValue:
+        CHECK(value->IsString());
+        CHECK_EQ(0, v8::String::Cast(*value)->Length());
+        break;
     }
   }
   // check handles
@@ -2547,6 +2570,19 @@
 }
 
 
+class ScopedArrayBufferContents {
+ public:
+  explicit ScopedArrayBufferContents(
+      const v8::ArrayBuffer::Contents& contents)
+    : contents_(contents) {}
+  ~ScopedArrayBufferContents() { free(contents_.Data()); }
+  void* Data() const { return contents_.Data(); }
+  size_t ByteLength() const { return contents_.ByteLength(); }
+ private:
+  const v8::ArrayBuffer::Contents contents_;
+};
+
+
 THREADED_TEST(ArrayBuffer_ApiInternalToExternal) {
   i::FLAG_harmony_array_buffer = true;
   i::FLAG_harmony_typed_arrays = true;
@@ -2560,8 +2596,7 @@
   CHECK(!ab->IsExternal());
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
 
-  v8::ArrayBufferContents ab_contents;
-  ab->Externalize(&ab_contents);
+  ScopedArrayBufferContents ab_contents(ab->Externalize());
   CHECK(ab->IsExternal());
 
   CHECK_EQ(1024, static_cast<int>(ab_contents.ByteLength()));
@@ -2603,8 +2638,7 @@
   Local<v8::ArrayBuffer> ab1 = v8::ArrayBuffer::Cast(*result);
   CHECK_EQ(2, static_cast<int>(ab1->ByteLength()));
   CHECK(!ab1->IsExternal());
-  v8::ArrayBufferContents ab1_contents;
-  ab1->Externalize(&ab1_contents);
+  ScopedArrayBufferContents ab1_contents(ab1->Externalize());
   CHECK(ab1->IsExternal());
 
   result = CompileRun("ab1.byteLength");
@@ -2711,8 +2745,7 @@
   v8::Handle<v8::Float64Array> f64a =
     CreateAndCheck<v8::Float64Array, 8>(buffer, 8, 127);
 
-  v8::ArrayBufferContents contents;
-  buffer->Externalize(&contents);
+  ScopedArrayBufferContents contents(buffer->Externalize());
   buffer->Neuter();
   CHECK_EQ(0, static_cast<int>(buffer->ByteLength()));
   CheckIsNeutered(u8a);
@@ -2763,8 +2796,7 @@
   v8::Handle<v8::Float64Array> f64a(
     v8::Float64Array::Cast(*CompileRun("f64a")));
 
-  v8::ArrayBufferContents contents;
-  ab->Externalize(&contents);
+  ScopedArrayBufferContents contents(ab->Externalize());
   ab->Neuter();
   CHECK_EQ(0, static_cast<int>(ab->ByteLength()));
   CheckIsNeutered(u8a);
diff --git a/test/cctest/test-compare-nil-ic-stub.cc b/test/cctest/test-compare-nil-ic-stub.cc
index 6177fde..affb8bd 100644
--- a/test/cctest/test-compare-nil-ic-stub.cc
+++ b/test/cctest/test-compare-nil-ic-stub.cc
@@ -46,9 +46,8 @@
 TEST(ExternalICStateParsing) {
   Types types;
   types.Add(CompareNilICStub::UNDEFINED);
-  CompareNilICStub stub(kNonStrictEquality, kUndefinedValue, types);
+  CompareNilICStub stub(kUndefinedValue, types);
   CompareNilICStub stub2(stub.GetExtraICState());
-  CHECK_EQ(stub.GetKind(), stub2.GetKind());
   CHECK_EQ(stub.GetNilValue(), stub2.GetNilValue());
   CHECK_EQ(stub.GetTypes().ToIntegral(), stub2.GetTypes().ToIntegral());
 }
diff --git a/test/cctest/test-cpu-profiler.cc b/test/cctest/test-cpu-profiler.cc
index 188fbd9..a615fe9 100644
--- a/test/cctest/test-cpu-profiler.cc
+++ b/test/cctest/test-cpu-profiler.cc
@@ -648,56 +648,57 @@
 "}\n";
 
 
-class FooAccessorsData {
+class TestApiCallbacks {
  public:
-  explicit FooAccessorsData(int min_duration_ms)
+  explicit TestApiCallbacks(int min_duration_ms)
       : min_duration_ms_(min_duration_ms),
-        getter_duration_(0),
-        setter_duration_(0),
-        getter_iterations_(0),
-        setter_iterations_(0) {}
+        is_warming_up_(false) {}
 
   static v8::Handle<v8::Value> Getter(v8::Local<v8::String> name,
                                       const v8::AccessorInfo& info) {
-    FooAccessorsData* data = fromInfo(info);
-    data->getter_duration_ = data->Wait(&data->getter_iterations_);
+    TestApiCallbacks* data = fromInfo(info);
+    data->Wait();
     return v8::Int32::New(2013);
   }
 
   static void Setter(v8::Local<v8::String> name,
                      v8::Local<v8::Value> value,
                      const v8::AccessorInfo& info) {
-    FooAccessorsData* data = fromInfo(info);
-    data->setter_duration_ = data->Wait(&data->setter_iterations_);
+    TestApiCallbacks* data = fromInfo(info);
+    data->Wait();
   }
 
-  void PrintAccessorTime() {
-    i::OS::Print("getter: %f ms (%d); setter: %f ms (%d)\n", getter_duration_,
-        getter_iterations_, setter_duration_, setter_iterations_);
+  static void Callback(const v8::FunctionCallbackInfo<v8::Value>& info) {
+    TestApiCallbacks* data = fromInfo(info);
+    data->Wait();
   }
 
+  void set_warming_up(bool value) { is_warming_up_ = value; }
+
  private:
-  double Wait(int* iterations) {
+  void Wait() {
+    if (is_warming_up_) return;
     double start = i::OS::TimeCurrentMillis();
     double duration = 0;
     while (duration < min_duration_ms_) {
       i::OS::Sleep(1);
       duration = i::OS::TimeCurrentMillis() - start;
-      ++*iterations;
     }
-    return duration;
   }
 
-  static FooAccessorsData* fromInfo(const v8::AccessorInfo& info) {
+  static TestApiCallbacks* fromInfo(const v8::AccessorInfo& info) {
     void* data = v8::External::Cast(*info.Data())->Value();
-    return reinterpret_cast<FooAccessorsData*>(data);
+    return reinterpret_cast<TestApiCallbacks*>(data);
+  }
+
+  static TestApiCallbacks* fromInfo(
+      const v8::FunctionCallbackInfo<v8::Value>& info) {
+    void* data = v8::External::Cast(*info.Data())->Value();
+    return reinterpret_cast<TestApiCallbacks*>(data);
   }
 
   int min_duration_ms_;
-  double getter_duration_;
-  double setter_duration_;
-  int getter_iterations_;
-  int setter_iterations_;
+  bool is_warming_up_;
 };
 
 
@@ -705,7 +706,7 @@
 // This test checks the case when the long-running accessors are called
 // only once and the optimizer doesn't have chance to change the invocation
 // code.
-TEST(NativeAccessorNameInProfile1) {
+TEST(NativeAccessorUninitializedIC) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
@@ -714,11 +715,11 @@
   v8::Local<v8::ObjectTemplate> instance_template =
       func_template->InstanceTemplate();
 
-  FooAccessorsData accessors(100);
+  TestApiCallbacks accessors(100);
   v8::Local<v8::External> data = v8::External::New(&accessors);
   instance_template->SetAccessor(
-      v8::String::New("foo"), &FooAccessorsData::Getter,
-      &FooAccessorsData::Setter, data);
+      v8::String::New("foo"), &TestApiCallbacks::Getter,
+      &TestApiCallbacks::Setter, data);
   v8::Local<v8::Function> func = func_template->GetFunction();
   v8::Local<v8::Object> instance = func->NewInstance();
   env->Global()->Set(v8::String::New("instance"), instance);
@@ -740,7 +741,6 @@
   // Dump collected profile to have a better diagnostic in case of failure.
   reinterpret_cast<i::CpuProfile*>(
       const_cast<v8::CpuProfile*>(profile))->Print();
-  accessors.PrintAccessorTime();
 
   const v8::CpuProfileNode* root = profile->GetTopDownRoot();
   const v8::CpuProfileNode* startNode = GetChild(root, "start");
@@ -754,7 +754,7 @@
 // Test that native accessors are properly reported in the CPU profile.
 // This test makes sure that the accessors are called enough times to become
 // hot and to trigger optimizations.
-TEST(NativeAccessorNameInProfile2) {
+TEST(NativeAccessorMonomorphicIC) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
@@ -763,11 +763,11 @@
   v8::Local<v8::ObjectTemplate> instance_template =
       func_template->InstanceTemplate();
 
-  FooAccessorsData accessors(1);
+  TestApiCallbacks accessors(1);
   v8::Local<v8::External> data = v8::External::New(&accessors);
   instance_template->SetAccessor(
-      v8::String::New("foo"), &FooAccessorsData::Getter,
-      &FooAccessorsData::Setter, data);
+      v8::String::New("foo"), &TestApiCallbacks::Getter,
+      &TestApiCallbacks::Setter, data);
   v8::Local<v8::Function> func = func_template->GetFunction();
   v8::Local<v8::Object> instance = func->NewInstance();
   env->Global()->Set(v8::String::New("instance"), instance);
@@ -776,6 +776,16 @@
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
       env->Global()->Get(v8::String::New("start")));
 
+  {
+    // Make sure accessors ICs are in monomorphic state before starting
+    // profiling.
+    accessors.set_warming_up(true);
+    int32_t warm_up_iterations = 3;
+    v8::Handle<v8::Value> args[] = { v8::Integer::New(warm_up_iterations) };
+    function->Call(env->Global(), ARRAY_SIZE(args), args);
+    accessors.set_warming_up(false);
+  }
+
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
   v8::Local<v8::String> profile_name = v8::String::New("my_profile");
 
@@ -799,3 +809,111 @@
 
   cpu_profiler->DeleteAllCpuProfiles();
 }
+
+
+static const char* native_method_test_source = "function start(count) {\n"
+"  for (var i = 0; i < count; i++) {\n"
+"    instance.fooMethod();\n"
+"  }\n"
+"}\n";
+
+
+TEST(NativeMethodUninitializedIC) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+
+  TestApiCallbacks callbacks(100);
+  v8::Local<v8::External> data = v8::External::New(&callbacks);
+
+  v8::Local<v8::FunctionTemplate> func_template = v8::FunctionTemplate::New();
+  func_template->SetClassName(v8::String::New("Test_InstanceCostructor"));
+  v8::Local<v8::ObjectTemplate> proto_template =
+      func_template->PrototypeTemplate();
+  v8::Local<v8::Signature> signature = v8::Signature::New(func_template);
+  proto_template->Set(v8::String::New("fooMethod"), v8::FunctionTemplate::New(
+      &TestApiCallbacks::Callback, data, signature, 0));
+
+  v8::Local<v8::Function> func = func_template->GetFunction();
+  v8::Local<v8::Object> instance = func->NewInstance();
+  env->Global()->Set(v8::String::New("instance"), instance);
+
+  v8::Script::Compile(v8::String::New(native_method_test_source))->Run();
+  v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
+      env->Global()->Get(v8::String::New("start")));
+
+  v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
+  v8::Local<v8::String> profile_name = v8::String::New("my_profile");
+
+  cpu_profiler->StartCpuProfiling(profile_name);
+  int32_t repeat_count = 1;
+  v8::Handle<v8::Value> args[] = { v8::Integer::New(repeat_count) };
+  function->Call(env->Global(), ARRAY_SIZE(args), args);
+  const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
+
+  CHECK_NE(NULL, profile);
+  // Dump collected profile to have a better diagnostic in case of failure.
+  reinterpret_cast<i::CpuProfile*>(
+      const_cast<v8::CpuProfile*>(profile))->Print();
+
+  const v8::CpuProfileNode* root = profile->GetTopDownRoot();
+  const v8::CpuProfileNode* startNode = GetChild(root, "start");
+  GetChild(startNode, "fooMethod");
+
+  cpu_profiler->DeleteAllCpuProfiles();
+}
+
+
+TEST(NativeMethodMonomorphicIC) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+
+  TestApiCallbacks callbacks(1);
+  v8::Local<v8::External> data = v8::External::New(&callbacks);
+
+  v8::Local<v8::FunctionTemplate> func_template = v8::FunctionTemplate::New();
+  func_template->SetClassName(v8::String::New("Test_InstanceCostructor"));
+  v8::Local<v8::ObjectTemplate> proto_template =
+      func_template->PrototypeTemplate();
+  v8::Local<v8::Signature> signature = v8::Signature::New(func_template);
+  proto_template->Set(v8::String::New("fooMethod"), v8::FunctionTemplate::New(
+      &TestApiCallbacks::Callback, data, signature, 0));
+
+  v8::Local<v8::Function> func = func_template->GetFunction();
+  v8::Local<v8::Object> instance = func->NewInstance();
+  env->Global()->Set(v8::String::New("instance"), instance);
+
+  v8::Script::Compile(v8::String::New(native_method_test_source))->Run();
+  v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
+      env->Global()->Get(v8::String::New("start")));
+  {
+    // Make sure method ICs are in monomorphic state before starting
+    // profiling.
+    callbacks.set_warming_up(true);
+    int32_t warm_up_iterations = 3;
+    v8::Handle<v8::Value> args[] = { v8::Integer::New(warm_up_iterations) };
+    function->Call(env->Global(), ARRAY_SIZE(args), args);
+    callbacks.set_warming_up(false);
+  }
+
+  v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
+  v8::Local<v8::String> profile_name = v8::String::New("my_profile");
+
+  cpu_profiler->StartCpuProfiling(profile_name);
+  int32_t repeat_count = 100;
+  v8::Handle<v8::Value> args[] = { v8::Integer::New(repeat_count) };
+  function->Call(env->Global(), ARRAY_SIZE(args), args);
+  const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
+
+  CHECK_NE(NULL, profile);
+  // Dump collected profile to have a better diagnostic in case of failure.
+  reinterpret_cast<i::CpuProfile*>(
+      const_cast<v8::CpuProfile*>(profile))->Print();
+
+  const v8::CpuProfileNode* root = profile->GetTopDownRoot();
+  GetChild(root, "start");
+  // TODO(yurys): in CallIC should be changed to report external callback
+  // invocation.
+  // GetChild(startNode, "fooMethod");
+
+  cpu_profiler->DeleteAllCpuProfiles();
+}