| /* |
| * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "webrtc/base/event_tracer.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/base/trace_event.h" |
| #include "webrtc/system_wrappers/include/static_instance.h" |
| |
| namespace { |
| |
| class TestStatistics { |
| public: |
| TestStatistics() : events_logged_(0) { |
| } |
| |
| void Reset() { |
| events_logged_ = 0; |
| } |
| |
| void Increment() { |
| ++events_logged_; |
| } |
| |
| int Count() const { return events_logged_; } |
| |
| static TestStatistics* Get() { |
| static TestStatistics* test_stats = NULL; |
| if (!test_stats) |
| test_stats = new TestStatistics(); |
| return test_stats; |
| } |
| |
| private: |
| int events_logged_; |
| }; |
| |
| static const unsigned char* GetCategoryEnabledHandler(const char* name) { |
| return reinterpret_cast<const unsigned char*>("test"); |
| } |
| |
| static void AddTraceEventHandler(char phase, |
| const unsigned char* category_enabled, |
| const char* name, |
| unsigned long long id, |
| int num_args, |
| const char** arg_names, |
| const unsigned char* arg_types, |
| const unsigned long long* arg_values, |
| unsigned char flags) { |
| TestStatistics::Get()->Increment(); |
| } |
| |
| } // namespace |
| |
| namespace webrtc { |
| |
| TEST(EventTracerTest, EventTracerDisabled) { |
| { |
| TRACE_EVENT0("test", "EventTracerDisabled"); |
| } |
| EXPECT_FALSE(TestStatistics::Get()->Count()); |
| TestStatistics::Get()->Reset(); |
| } |
| |
| TEST(EventTracerTest, ScopedTraceEvent) { |
| SetupEventTracer(&GetCategoryEnabledHandler, &AddTraceEventHandler); |
| { |
| TRACE_EVENT0("test", "ScopedTraceEvent"); |
| } |
| EXPECT_EQ(2, TestStatistics::Get()->Count()); |
| TestStatistics::Get()->Reset(); |
| } |
| |
| } // namespace webrtc |