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