webrtc/rtc_base/event_tracer_unittest.cc
Doudou Kisabaka 2dec496f80 Add directive to make TRACE_EVENT macros optional.
Bug: webrtc:11132
Change-Id: I801994ad262e1acff73e4c20afd7a7343b56268c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160654
Commit-Queue: Doudou Kisabaka <doudouk@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29949}
2019-11-28 15:58:24 +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/critical_section.h"
#include "rtc_base/thread_annotations.h"
#include "rtc_base/trace_event.h"
#include "test/gtest.h"
namespace {
class TestStatistics {
public:
void Reset() {
rtc::CritScope cs(&crit_);
events_logged_ = 0;
}
void Increment() {
rtc::CritScope cs(&crit_);
++events_logged_;
}
int Count() const {
rtc::CritScope cs(&crit_);
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:
rtc::CriticalSection crit_;
int events_logged_ RTC_GUARDED_BY(crit_) = 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