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