media/audio/mac/audio_auhal_mac_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 "base/basictypes.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/synchronization/waitable_event.h"
  10 #include "media/audio/audio_io.h"
  11 #include "media/audio/audio_manager.h"
  12 #include "media/audio/audio_unittest_util.h"
  13 #include "media/audio/mock_audio_source_callback.h"
  14 #include "testing/gmock/include/gmock/gmock.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 using testing::_;
  18 using testing::DoAll;
  19 using testing::Return;
  20
  21 // TODO(crogers): Most of these tests can be made platform agnostic.
  22 // http://crbug.com/223242
  23
  24 namespace media {
  25
  26 ACTION(ZeroBuffer) {
  27   arg0->Zero();
  28 }
  29
  30 ACTION_P(SignalEvent, event) {
  31   event->Signal();
  32 }
  33
  34 class AUHALStreamTest : public testing::Test {
  35  public:
  36   AUHALStreamTest()
  37       : message_loop_(base::MessageLoop::TYPE_UI),
  38         manager_(AudioManager::CreateForTesting()) {
  39     // Wait for the AudioManager to finish any initialization on the audio loop.
  40     base::RunLoop().RunUntilIdle();
  41   }
  42
  43   ~AUHALStreamTest() override { base::RunLoop().RunUntilIdle(); }
  44
  45   AudioOutputStream* Create() {
  46     return manager_->MakeAudioOutputStream(
  47         manager_->GetDefaultOutputStreamParameters(), "");
  48   }
  49
  50   bool OutputDevicesAvailable() {
  51     return manager_->HasAudioOutputDevices();
  52   }
  53
  54  protected:
  55   base::MessageLoop message_loop_;
  56   scoped_ptr<AudioManager> manager_;
  57   MockAudioSourceCallback source_;
  58
  59  private:
  60   DISALLOW_COPY_AND_ASSIGN(AUHALStreamTest);
  61 };
  62
  63 TEST_F(AUHALStreamTest, HardwareSampleRate) {
  64   ABORT_AUDIO_TEST_IF_NOT(OutputDevicesAvailable());
  65   const AudioParameters preferred_params =
  66       manager_->GetDefaultOutputStreamParameters();
  67   EXPECT_GE(preferred_params.sample_rate(), 16000);
  68   EXPECT_LE(preferred_params.sample_rate(), 192000);
  69 }
  70
  71 TEST_F(AUHALStreamTest, CreateClose) {
  72   ABORT_AUDIO_TEST_IF_NOT(OutputDevicesAvailable());
  73   Create()->Close();
  74 }
  75
  76 TEST_F(AUHALStreamTest, CreateOpenClose) {
  77   ABORT_AUDIO_TEST_IF_NOT(OutputDevicesAvailable());
  78   AudioOutputStream* stream = Create();
  79   EXPECT_TRUE(stream->Open());
  80   stream->Close();
  81 }
  82
  83 TEST_F(AUHALStreamTest, CreateOpenStartStopClose) {
  84   ABORT_AUDIO_TEST_IF_NOT(OutputDevicesAvailable());
  85
  86   AudioOutputStream* stream = Create();
  87   EXPECT_TRUE(stream->Open());
  88
  89   // Wait for the first data callback from the OS.
  90   base::WaitableEvent event(false, false);
  91   EXPECT_CALL(source_, OnMoreData(_, _))
  92       .WillOnce(DoAll(ZeroBuffer(), SignalEvent(&event), Return(0)));
  93   EXPECT_CALL(source_, OnError(_)).Times(0);
  94   stream->Start(&source_);
  95   event.Wait();
  96
  97   stream->Stop();
  98   stream->Close();
  99 }
 100
 101 }  // namespace media