Switching VirtualKeyboardPrivate keyboard config call stack to receive HasInputDevices() responce a…

media/audio/audio_system_impl_unittest.cc

Index: media/audio/audio_system_impl_unittest.cc
diff --git a/media/audio/audio_system_impl_unittest.cc b/media/audio/audio_system_impl_unittest.cc
index 3247cddbd04fccfa56b8a6a686816896b787276b..04f6f645a6752f44d43d9d2af910f8fbb53159ba 100644
--- a/media/audio/audio_system_impl_unittest.cc
+++ b/media/audio/audio_system_impl_unittest.cc
@@ -33,10 +33,13 @@ class AudioSystemImplTest : public testing::TestWithParam<bool> {
     audio_manager_->SetInputStreamParameters(
         media::AudioParameters::UnavailableDeviceParams());
     audio_system_ = media::AudioSystemImpl::Create(audio_manager_.get());
+    EXPECT_EQ(AudioSystem::Get(), audio_system_.get());
   }
 
   ~AudioSystemImplTest() override {
     // Deleting |audio_manager_| on its thread.
+    audio_system_.reset();
+    EXPECT_EQ(AudioSystem::Get(), nullptr);
     audio_manager_.reset();
     audio_thread_.Stop();
   }
@@ -65,6 +68,7 @@ class AudioSystemImplTest : public testing::TestWithParam<bool> {
   }
 
   MOCK_METHOD0(AudioParametersReceived, void(void));
+  MOCK_METHOD1(HasInputDevicesCallback, void(bool));
 
  protected:
   base::MessageLoop message_loop_;
@@ -94,6 +98,21 @@ TEST_P(AudioSystemImplTest, GetInputStreamParametersNoDevice) {
   WaitForCallback();
 }
 
+TEST_P(AudioSystemImplTest, HasInputDevices) {
+  EXPECT_CALL(*this, HasInputDevicesCallback(true));
+  audio_system_->HasInputDevices(base::Bind(
+      &AudioSystemImplTest::HasInputDevicesCallback, base::Unretained(this)));
+  WaitForCallback();
+}
+
+TEST_P(AudioSystemImplTest, HasNoInputDevices) {
+  audio_manager_->SetHasInputDevices(false);
+  EXPECT_CALL(*this, HasInputDevicesCallback(false));
+  audio_system_->HasInputDevices(base::Bind(
+      &AudioSystemImplTest::HasInputDevicesCallback, base::Unretained(this)));
+  WaitForCallback();
+}
+
 INSTANTIATE_TEST_CASE_P(, AudioSystemImplTest, testing::Values(false, true));
 
 }  // namespace media