Implement GetAudioOutputDevices for remaining platforms, consolidate tests.

media/audio/audio_manager_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/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "media/audio/audio_manager.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-#if defined(OS_LINUX)
-#include "media/audio/linux/audio_manager_linux.h"
-#endif  // defined(OS_LINUX)
-
-#if defined(OS_WIN)
-#include "media/audio/win/audio_manager_win.h"
-#endif  // defined(OS_WIN)
-
-#if defined(USE_PULSEAUDIO)
-#include "media/audio/pulse/audio_manager_pulse.h"
-#endif  // defined(USE_PULSEAUDIO)
-
-namespace media {
-
-void GetAudioOutputDeviceNamesImpl(AudioManager* audio_manager) {
-  AudioDeviceNames device_names;
-  audio_manager->GetAudioOutputDeviceNames(&device_names);
-
-  VLOG(2) << "Got " << device_names.size() << " audio output devices.";
-  for (AudioDeviceNames::iterator it = device_names.begin();
-       it != device_names.end();
-       ++it) {
-    EXPECT_FALSE(it->unique_id.empty());
-    EXPECT_FALSE(it->device_name.empty());
-    VLOG(2) << "Device ID(" << it->unique_id << "), label: " << it->device_name;
-  }
-}
-
-// So that tests herein can be friends of AudioManagerWin.
-//
-// TODO(joi): Make this go away by unifying audio_manager_unittest.cc
-// and audio_input_device_unittest.cc
-class AudioManagerTest : public ::testing::Test {
- public:
-  bool SetupForSecondTest(AudioManager* amw) {
-#if defined(OS_WIN)
-    AudioManagerWin* audio_manager_win = static_cast<AudioManagerWin*>(amw);
-    if (audio_manager_win->enumeration_type() ==
-        AudioManagerWin::kWaveEnumeration) {
-      // This will be true only if running on Windows XP.
-      VLOG(2) << "AudioManagerWin on WinXP; nothing more to test.";
-    } else {
-      VLOG(2) << "Testing AudioManagerWin in fallback WinXP mode.";
-      audio_manager_win->SetEnumerationType(AudioManagerWin::kWaveEnumeration);
-      return true;
-    }
-#endif  // defined(OS_WIN)
-    return false;
-  }
-};
-
-TEST_F(AudioManagerTest, GetAudioOutputDeviceNames) {
-  // On Linux, we may be able to test both the Alsa and Pulseaudio
-  // versions of the audio manager.
-#if defined(USE_PULSEAUDIO)
-  {
-    VLOG(2) << "Testing AudioManagerPulse.";
-    scoped_ptr<AudioManager> pulse_audio_manager(AudioManagerPulse::Create());
-    if (pulse_audio_manager.get())
-      GetAudioOutputDeviceNamesImpl(pulse_audio_manager.get());
-    else
-      LOG(WARNING) << "No pulseaudio on this system.";
-  }
-#endif  // defined(USE_PULSEAUDIO)
-#if defined(USE_ALSA)
-  {
-    VLOG(2) << "Testing AudioManagerLinux.";
-    scoped_ptr<AudioManager> alsa_audio_manager(new AudioManagerLinux());
-    GetAudioOutputDeviceNamesImpl(alsa_audio_manager.get());
-  }
-#endif  // defined(USE_ALSA)
-
-#if defined(OS_MACOSX)
-  VLOG(2) << "Testing platform-default AudioManager.";
-  scoped_ptr<AudioManager> audio_manager(AudioManager::Create());
-  GetAudioOutputDeviceNamesImpl(audio_manager.get());
-#endif  // defined(OS_MACOSX)
-
-#if defined(OS_WIN)
-  {
-    // TODO(joi): Unify the tests in audio_input_device_unittest.cc
-    // with the tests in this file, and reuse the Windows-specific
-    // bits from that file.
-    VLOG(2) << "Testing AudioManagerWin in its default mode.";
-    scoped_ptr<AudioManager> audio_manager_win(AudioManager::Create());
-    GetAudioOutputDeviceNamesImpl(audio_manager_win.get());
-
-    if (SetupForSecondTest(audio_manager_win.get())) {
-      GetAudioOutputDeviceNamesImpl(audio_manager_win.get());
-    }
-  }
-#endif  // defined(OS_WIN)
-}
-
-TEST_F(AudioManagerTest, GetDefaultOutputStreamParameters) {
-#if defined(OS_WIN) || defined(OS_MACOSX)
-  scoped_ptr<AudioManager> audio_manager(AudioManager::Create());
-  ASSERT_TRUE(audio_manager);
-  if (!audio_manager->HasAudioOutputDevices())
-    return;
-
-  AudioParameters params = audio_manager->GetDefaultOutputStreamParameters();
-  EXPECT_TRUE(params.IsValid());
-#endif  // defined(OS_WIN) || defined(OS_MACOSX)
-}
-
-TEST_F(AudioManagerTest, GetAssociatedOutputDeviceID) {
-#if defined(OS_WIN) || defined(OS_MACOSX)
-  scoped_ptr<AudioManager> audio_manager(AudioManager::Create());
-  ASSERT_TRUE(audio_manager);
-  if (!audio_manager->HasAudioOutputDevices() ||
-      !audio_manager->HasAudioInputDevices()) {
-    return;
-  }
-
-  AudioDeviceNames device_names;
-  audio_manager->GetAudioInputDeviceNames(&device_names);
-  bool found_an_associated_device = false;
-  for (AudioDeviceNames::iterator it = device_names.begin();
-       it != device_names.end();
-       ++it) {
-    EXPECT_FALSE(it->unique_id.empty());
-    EXPECT_FALSE(it->device_name.empty());
-    std::string output_device_id(
-        audio_manager->GetAssociatedOutputDeviceID(it->unique_id));
-    if (!output_device_id.empty()) {
-      VLOG(2) << it->unique_id << " matches with " << output_device_id;
-      found_an_associated_device = true;
-    }
-  }
-
-  EXPECT_TRUE(found_an_associated_device);
-#endif  // defined(OS_WIN) || defined(OS_MACOSX)
-}
-
-}  // namespace media