Added volume adjust sound behind the flag.

media/audio/sounds/audio_stream_handler_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 31 matching lines @@
 
   void SetObserverForTesting(AudioStreamHandler::TestObserver* observer) {
     AudioStreamHandler::SetObserverForTesting(observer);
   }
 
   void SetAudioSourceForTesting(
       AudioOutputStream::AudioSourceCallback* source) {
     AudioStreamHandler::SetAudioSourceForTesting(source);
   }
 
+  void AllowReplayOnceForTesting() {
+    audio_stream_handler_->AllowReplayOnceForTesting();
+  }
+
  private:
   scoped_ptr<AudioManager> audio_manager_;
   scoped_ptr<AudioStreamHandler> audio_stream_handler_;
 
   base::MessageLoop message_loop_;
 };
 
 TEST_F(AudioStreamHandlerTest, Play) {
   base::RunLoop run_loop;
   TestObserver observer(run_loop.QuitClosure());
 
   SetObserverForTesting(&observer);
 
   ASSERT_TRUE(audio_stream_handler()->IsInitialized());
   ASSERT_TRUE(audio_stream_handler()->Play());
 
   run_loop.Run();
 
   SetObserverForTesting(NULL);
 
   ASSERT_EQ(1, observer.num_play_requests());
   ASSERT_EQ(1, observer.num_stop_requests());
   ASSERT_EQ(4, observer.cursor());
 }
 
-TEST_F(AudioStreamHandlerTest, Rewind) {
+TEST_F(AudioStreamHandlerTest, Replay) {
   base::RunLoop run_loop;
   TestObserver observer(run_loop.QuitClosure());
-  SineWaveAudioSource source(CHANNEL_LAYOUT_STEREO, 200.0, 8000);
-
   SetObserverForTesting(&observer);
-  SetAudioSourceForTesting(&source);
 
   ASSERT_TRUE(audio_stream_handler()->IsInitialized());
 
+  AllowReplayOnceForTesting();
   ASSERT_TRUE(audio_stream_handler()->Play());
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(base::IgnoreResult(&AudioStreamHandler::Play),
-                 base::Unretained(audio_stream_handler())),
-      base::TimeDelta::FromSeconds(3));
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&AudioStreamHandler::Stop,
-                 base::Unretained(audio_stream_handler())),
-      base::TimeDelta::FromSeconds(6));
+  ASSERT_TRUE(audio_stream_handler()->Play());
 
   run_loop.Run();
 
   SetObserverForTesting(NULL);
   SetAudioSourceForTesting(NULL);
 
-  ASSERT_EQ(2, observer.num_play_requests());
+  ASSERT_EQ(1, observer.num_play_requests());
+  ASSERT_EQ(1, observer.num_replays());
   ASSERT_EQ(1, observer.num_stop_requests());
 }
 
 }  // namespace media