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96 lines
2.1 KiB
96 lines
2.1 KiB
/*
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* Copyright 2004 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 "rtc_base/event.h"
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#include "rtc_base/platform_thread.h"
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#include "test/gtest.h"
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namespace rtc {
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TEST(EventTest, InitiallySignaled) {
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Event event(false, true);
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ASSERT_TRUE(event.Wait(0));
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}
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TEST(EventTest, ManualReset) {
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Event event(true, false);
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ASSERT_FALSE(event.Wait(0));
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event.Set();
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ASSERT_TRUE(event.Wait(0));
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ASSERT_TRUE(event.Wait(0));
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event.Reset();
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ASSERT_FALSE(event.Wait(0));
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}
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TEST(EventTest, AutoReset) {
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Event event;
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ASSERT_FALSE(event.Wait(0));
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event.Set();
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ASSERT_TRUE(event.Wait(0));
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ASSERT_FALSE(event.Wait(0));
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}
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class SignalerThread {
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public:
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SignalerThread() : thread_(&ThreadFn, this, "EventPerf") {}
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void Start(Event* writer, Event* reader) {
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writer_ = writer;
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reader_ = reader;
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thread_.Start();
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}
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void Stop() {
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stop_event_.Set();
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thread_.Stop();
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}
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static void ThreadFn(void* param) {
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auto* me = static_cast<SignalerThread*>(param);
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while (!me->stop_event_.Wait(0)) {
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me->writer_->Set();
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me->reader_->Wait(Event::kForever);
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}
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}
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Event stop_event_;
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Event* writer_;
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Event* reader_;
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PlatformThread thread_;
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};
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// These tests are disabled by default and only intended to be run manually.
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TEST(EventTest, DISABLED_PerformanceSingleThread) {
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static const int kNumIterations = 10000000;
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Event event;
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for (int i = 0; i < kNumIterations; ++i) {
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event.Set();
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event.Wait(0);
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}
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}
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TEST(EventTest, DISABLED_PerformanceMultiThread) {
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static const int kNumIterations = 10000;
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Event read;
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Event write;
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SignalerThread thread;
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thread.Start(&read, &write);
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for (int i = 0; i < kNumIterations; ++i) {
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write.Set();
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read.Wait(Event::kForever);
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}
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write.Set();
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thread.Stop();
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}
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} // namespace rtc
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