webrtc/rtc_base/event_tracer_unittest.cc
Markus Handell 18523c34b4 Migrate rtc_base to webrtc::Mutex.
Bug: webrtc:11567
Change-Id: Ib8630e0cf1266e7c3f8ce718e1ed9f8848f42ec8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/178806
Reviewed-by: Tommi <tommi@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31682}
2020-07-08 20:38:54 +00:00

81 lines
2.1 KiB
C++

/*
* 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 "rtc_base/event_tracer.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"
#include "rtc_base/trace_event.h"
#include "test/gtest.h"
namespace {
class TestStatistics {
public:
void Reset() {
webrtc::MutexLock lock(&mutex_);
events_logged_ = 0;
}
void Increment() {
webrtc::MutexLock lock(&mutex_);
++events_logged_;
}
int Count() const {
webrtc::MutexLock lock(&mutex_);
return events_logged_;
}
static TestStatistics* Get() {
// google.github.io/styleguide/cppguide.html#Static_and_Global_Variables
static auto& test_stats = *new TestStatistics();
return &test_stats;
}
private:
mutable webrtc::Mutex mutex_;
int events_logged_ RTC_GUARDED_BY(mutex_) = 0;
};
} // namespace
namespace webrtc {
TEST(EventTracerTest, EventTracerDisabled) {
{ TRACE_EVENT0("test", "EventTracerDisabled"); }
EXPECT_FALSE(TestStatistics::Get()->Count());
TestStatistics::Get()->Reset();
}
#if RTC_TRACE_EVENTS_ENABLED
TEST(EventTracerTest, ScopedTraceEvent) {
SetupEventTracer(
[](const char* /*name*/) {
return reinterpret_cast<const unsigned char*>("test");
},
[](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();
});
{ TRACE_EVENT0("test", "ScopedTraceEvent"); }
EXPECT_EQ(2, TestStatistics::Get()->Count());
TestStatistics::Get()->Reset();
}
#endif
} // namespace webrtc