/*
* 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("webrtc-test" , "EventTracerDisabled" ); }
EXPECT_FALSE(TestStatistics::Get()->Count());
TestStatistics::Get()->Reset();
}
#if RTC_TRACE_EVENTS_ENABLED && !defined (RTC_USE_PERFETTO)
TEST(EventTracerTest, ScopedTraceEvent) {
SetupEventTracer(
[](const char * /*name*/) {
return reinterpret_cast <const unsigned char *>("webrtc-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
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¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
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