blob: 5409e89f642bfd097f3bd55bd8be20f2b5be96e1 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gin/public/v8_platform.h"
#include "base/trace_event/trace_event.h"
#include "testing/gtest/include/gtest/gtest.h"
class TestTraceStateObserver
: public v8::TracingController::TraceStateObserver {
public:
void OnTraceEnabled() final { ++enabled_; }
void OnTraceDisabled() final { ++disabled_; }
int Enabled() { return enabled_; }
int Disabled() { return disabled_; }
private:
int enabled_ = 0;
int disabled_ = 0;
};
namespace gin {
TEST(V8PlatformTest, TraceStateObserverAPI) {
TestTraceStateObserver test_observer;
ASSERT_EQ(0, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
V8Platform::Get()->GetTracingController()->AddTraceStateObserver(
&test_observer);
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
base::trace_event::TraceLog::GetInstance()->SetDisabled();
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(1, test_observer.Disabled());
V8Platform::Get()->GetTracingController()->RemoveTraceStateObserver(
&test_observer);
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
base::trace_event::TraceLog::GetInstance()->SetDisabled();
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(1, test_observer.Disabled());
}
TEST(V8PlatformTest, TraceStateObserverFired) {
TestTraceStateObserver test_observer;
ASSERT_EQ(0, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
V8Platform::Get()->GetTracingController()->AddTraceStateObserver(
&test_observer);
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
}
} // namespace gin