Creating the audio_modem component

components/copresence/mediums/audio/audio_player_unittest.cc

Index: components/copresence/mediums/audio/audio_player_unittest.cc
diff --git a/components/copresence/mediums/audio/audio_player_unittest.cc b/components/copresence/mediums/audio/audio_player_unittest.cc
deleted file mode 100644
index 3f264e4603b957cc7439da223402e4175333c8fd..0000000000000000000000000000000000000000
--- a/components/copresence/mediums/audio/audio_player_unittest.cc
+++ /dev/null
@@ -1,211 +0,0 @@
-// Copyright 2014 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 "components/copresence/mediums/audio/audio_player.h"
-
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
-#include "components/copresence/mediums/audio/audio_player_impl.h"
-#include "components/copresence/public/copresence_constants.h"
-#include "components/copresence/test/audio_test_support.h"
-#include "media/audio/audio_manager.h"
-#include "media/audio/audio_manager_base.h"
-#include "media/base/audio_bus.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class TestAudioOutputStream : public media::AudioOutputStream {
- public:
-  using GatherSamplesCallback =
-      base::Callback<void(scoped_ptr<media::AudioBus>, int frames)>;
-  TestAudioOutputStream(int default_frame_count,
-                        int max_frame_count,
-                        GatherSamplesCallback gather_callback)
-      : default_frame_count_(default_frame_count),
-        max_frame_count_(max_frame_count),
-        gather_callback_(gather_callback),
-        callback_(nullptr) {
-    caller_loop_ = base::MessageLoop::current();
-  }
-
-  ~TestAudioOutputStream() override {}
-
-  bool Open() override { return true; }
-  void Start(AudioSourceCallback* callback) override {
-    callback_ = callback;
-    GatherPlayedSamples();
-  }
-  void Stop() override {}
-  void SetVolume(double volume) override {}
-  void GetVolume(double* volume) override {}
-  void Close() override {}
-
- private:
-  void GatherPlayedSamples() {
-    int frames = 0, total_frames = 0;
-    do {
-      // Call back into the player to get samples that it wants us to play.
-      scoped_ptr<media::AudioBus> dest =
-          media::AudioBus::Create(1, default_frame_count_);
-      frames = callback_->OnMoreData(dest.get(), 0);
-      total_frames += frames;
-      // Send the samples given to us by the player to the gather callback.
-      caller_loop_->PostTask(
-          FROM_HERE, base::Bind(gather_callback_, base::Passed(&dest), frames));
-    } while (frames && total_frames < max_frame_count_);
-  }
-
-  int default_frame_count_;
-  int max_frame_count_;
-  GatherSamplesCallback gather_callback_;
-  AudioSourceCallback* callback_;
-  base::MessageLoop* caller_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestAudioOutputStream);
-};
-
-}  // namespace
-
-namespace copresence {
-
-class AudioPlayerTest : public testing::Test,
-                        public base::SupportsWeakPtr<AudioPlayerTest> {
- public:
-  AudioPlayerTest() : buffer_index_(0), player_(nullptr) {
-    if (!media::AudioManager::Get())
-      media::AudioManager::CreateForTesting();
-  }
-
-  ~AudioPlayerTest() override { DeletePlayer(); }
-
-  void CreatePlayer() {
-    DeletePlayer();
-    player_ = new AudioPlayerImpl();
-    player_->set_output_stream_for_testing(new TestAudioOutputStream(
-        kDefaultFrameCount,
-        kMaxFrameCount,
-        base::Bind(&AudioPlayerTest::GatherSamples, AsWeakPtr())));
-    player_->Initialize();
-  }
-
-  void DeletePlayer() {
-    if (!player_)
-      return;
-    player_->Finalize();
-    player_ = nullptr;
-  }
-
-  void PlayAndVerifySamples(
-      const scoped_refptr<media::AudioBusRefCounted>& samples) {
-    DCHECK_LT(samples->frames(), kMaxFrameCount);
-
-    buffer_ = media::AudioBus::Create(1, kMaxFrameCount);
-    buffer_index_ = 0;
-    player_->Play(samples);
-    player_->FlushAudioLoopForTesting();
-    player_->Stop();
-
-    int differences = 0;
-    for (int i = 0; i < kMaxFrameCount; ++i) {
-      differences += (buffer_->channel(0)[i] !=
-                      samples->channel(0)[i % samples->frames()]);
-    }
-    ASSERT_EQ(0, differences);
-
-    buffer_.reset();
-  }
-
-  void GatherSamples(scoped_ptr<media::AudioBus> bus, int frames) {
-    if (!buffer_.get())
-      return;
-    bus->CopyPartialFramesTo(0, frames, buffer_index_, buffer_.get());
-    buffer_index_ += frames;
-  }
-
- protected:
-  bool IsPlaying() {
-    player_->FlushAudioLoopForTesting();
-    return player_->is_playing_;
-  }
-
-  static const int kDefaultFrameCount = 1024;
-  static const int kMaxFrameCount = 1024 * 100;
-
-  scoped_ptr<media::AudioBus> buffer_;
-  int buffer_index_;
-
-  // Deleted by calling Finalize() on the object.
-  AudioPlayerImpl* player_;
-  base::MessageLoop message_loop_;
-};
-
-TEST_F(AudioPlayerTest, BasicPlayAndStop) {
-  CreatePlayer();
-  scoped_refptr<media::AudioBusRefCounted> samples =
-      media::AudioBusRefCounted::Create(1, 7331);
-
-  player_->Play(samples);
-  EXPECT_TRUE(IsPlaying());
-  player_->Stop();
-  EXPECT_FALSE(IsPlaying());
-  player_->Play(samples);
-
-  EXPECT_TRUE(IsPlaying());
-  player_->Stop();
-  EXPECT_FALSE(IsPlaying());
-  player_->Play(samples);
-
-  EXPECT_TRUE(IsPlaying());
-  player_->Stop();
-  EXPECT_FALSE(IsPlaying());
-
-  DeletePlayer();
-}
-
-TEST_F(AudioPlayerTest, OutOfOrderPlayAndStopMultiple) {
-  CreatePlayer();
-  scoped_refptr<media::AudioBusRefCounted> samples =
-      media::AudioBusRefCounted::Create(1, 1337);
-
-  player_->Stop();
-  player_->Stop();
-  player_->Stop();
-  EXPECT_FALSE(IsPlaying());
-
-  player_->Play(samples);
-  player_->Play(samples);
-  EXPECT_TRUE(IsPlaying());
-
-  player_->Stop();
-  player_->Stop();
-  EXPECT_FALSE(IsPlaying());
-
-  DeletePlayer();
-}
-
-TEST_F(AudioPlayerTest, PlayingEndToEnd) {
-  const int kNumSamples = kDefaultFrameCount * 7 + 321;
-  CreatePlayer();
-
-  PlayAndVerifySamples(CreateRandomAudioRefCounted(0x1337, 1, kNumSamples));
-
-  DeletePlayer();
-}
-
-TEST_F(AudioPlayerTest, PlayingEndToEndRepeated) {
-  const int kNumSamples = kDefaultFrameCount * 7 + 537;
-  CreatePlayer();
-
-  PlayAndVerifySamples(CreateRandomAudioRefCounted(0x1337, 1, kNumSamples));
-
-  PlayAndVerifySamples(
-      CreateRandomAudioRefCounted(0x7331, 1, kNumSamples - 3123));
-
-  PlayAndVerifySamples(CreateRandomAudioRefCounted(0xf00d, 1, kNumSamples * 2));
-
-  DeletePlayer();
-}
-
-}  // namespace copresence