media/audio/sounds/sounds_manager_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <vector>
   6
   7 #include "base/compiler_specific.h"
   8 #include "base/logging.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/run_loop.h"
  12 #include "base/strings/string_piece.h"
  13 #include "media/audio/audio_manager.h"
  14 #include "media/audio/simple_sources.h"
  15 #include "media/audio/sounds/audio_stream_handler.h"
  16 #include "media/audio/sounds/sounds_manager.h"
  17 #include "media/audio/sounds/test_data.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 namespace media {
  21
  22 class SoundsManagerTest : public testing::Test {
  23  public:
  24   SoundsManagerTest() {}
  25   ~SoundsManagerTest() override {}
  26
  27   void SetUp() override {
  28     audio_manager_.reset(AudioManager::CreateForTesting());
  29     SoundsManager::Create();
  30   }
  31
  32   void TearDown() override {
  33     SoundsManager::Shutdown();
  34     audio_manager_.reset();
  35   }
  36
  37   void SetObserverForTesting(AudioStreamHandler::TestObserver* observer) {
  38     AudioStreamHandler::SetObserverForTesting(observer);
  39   }
  40
  41   void SetAudioSourceForTesting(
  42       AudioOutputStream::AudioSourceCallback* source) {
  43     AudioStreamHandler::SetAudioSourceForTesting(source);
  44   }
  45
  46  private:
  47   scoped_ptr<AudioManager> audio_manager_;
  48
  49   base::MessageLoop message_loop_;
  50 };
  51
  52 TEST_F(SoundsManagerTest, Play) {
  53   ASSERT_TRUE(SoundsManager::Get());
  54
  55   base::RunLoop run_loop;
  56   TestObserver observer(run_loop.QuitClosure());
  57
  58   SetObserverForTesting(&observer);
  59
  60   ASSERT_TRUE(SoundsManager::Get()->Initialize(
  61       kTestAudioKey,
  62       base::StringPiece(kTestAudioData, arraysize(kTestAudioData))));
  63   ASSERT_EQ(20,
  64             SoundsManager::Get()->GetDuration(kTestAudioKey).InMicroseconds());
  65   ASSERT_TRUE(SoundsManager::Get()->Play(kTestAudioKey));
  66   run_loop.Run();
  67
  68   ASSERT_EQ(1, observer.num_play_requests());
  69   ASSERT_EQ(1, observer.num_stop_requests());
  70   ASSERT_EQ(4, observer.cursor());
  71
  72   SetObserverForTesting(NULL);
  73 }
  74
  75 TEST_F(SoundsManagerTest, Stop) {
  76   ASSERT_TRUE(SoundsManager::Get());
  77
  78   base::RunLoop run_loop;
  79   TestObserver observer(run_loop.QuitClosure());
  80
  81   SetObserverForTesting(&observer);
  82
  83   ASSERT_TRUE(SoundsManager::Get()->Initialize(
  84       kTestAudioKey,
  85       base::StringPiece(kTestAudioData, arraysize(kTestAudioData))));
  86
  87   // This overrides the wav data set by kTestAudioData and results in
  88   // a never-ending sine wave being played.
  89   const int kChannels = 1;
  90   const double kFreq = 200;
  91   const double kSampleFreq = 44100;
  92   SineWaveAudioSource sine_source(kChannels, kFreq, kSampleFreq);
  93   SetAudioSourceForTesting(&sine_source);
  94
  95   ASSERT_EQ(0, observer.num_play_requests());
  96   ASSERT_EQ(0, observer.num_stop_requests());
  97
  98   ASSERT_TRUE(SoundsManager::Get()->Play(kTestAudioKey));
  99   ASSERT_TRUE(SoundsManager::Get()->Stop(kTestAudioKey));
 100   run_loop.Run();
 101
 102   ASSERT_EQ(1, observer.num_play_requests());
 103   ASSERT_EQ(1, observer.num_stop_requests());
 104
 105   SetObserverForTesting(NULL);
 106 }
 107
 108 TEST_F(SoundsManagerTest, Uninitialized) {
 109   ASSERT_TRUE(SoundsManager::Get());
 110   ASSERT_FALSE(SoundsManager::Get()->Play(kTestAudioKey));
 111   ASSERT_FALSE(SoundsManager::Get()->Stop(kTestAudioKey));
 112 }
 113
 114 }  // namespace media