1 files changed, 153 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/media_stream_unittest.cc b/third_party/libwebrtc/pc/media_stream_unittest.cc
new file mode 100644
index 0000000000..f55ea203fb
--- /dev/null
+++ b/third_party/libwebrtc/pc/media_stream_unittest.cc
@@ -0,0 +1,153 @@
+/*
+ *  Copyright 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "pc/media_stream.h"
+
+#include <stddef.h>
+
+#include "pc/audio_track.h"
+#include "pc/test/fake_video_track_source.h"
+#include "pc/video_track.h"
+#include "rtc_base/thread.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+
+static const char kStreamId1[] = "local_stream_1";
+static const char kVideoTrackId[] = "dummy_video_cam_1";
+static const char kAudioTrackId[] = "dummy_microphone_1";
+
+using rtc::scoped_refptr;
+using ::testing::Exactly;
+
+namespace webrtc {
+
+// Helper class to test Observer.
+class MockObserver : public ObserverInterface {
+ public:
+  explicit MockObserver(NotifierInterface* notifier) : notifier_(notifier) {
+    notifier_->RegisterObserver(this);
+  }
+
+  ~MockObserver() { Unregister(); }
+
+  void Unregister() {
+    if (notifier_) {
+      notifier_->UnregisterObserver(this);
+      notifier_ = nullptr;
+    }
+  }
+
+  MOCK_METHOD(void, OnChanged, (), (override));
+
+ private:
+  NotifierInterface* notifier_;
+};
+
+class MediaStreamTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    stream_ = MediaStream::Create(kStreamId1);
+    ASSERT_TRUE(stream_.get() != NULL);
+
+    video_track_ = VideoTrack::Create(
+        kVideoTrackId, FakeVideoTrackSource::Create(), rtc::Thread::Current());
+    ASSERT_TRUE(video_track_.get() != NULL);
+    EXPECT_EQ(MediaStreamTrackInterface::kLive, video_track_->state());
+
+    audio_track_ = AudioTrack::Create(kAudioTrackId, nullptr);
+
+    ASSERT_TRUE(audio_track_.get() != NULL);
+    EXPECT_EQ(MediaStreamTrackInterface::kLive, audio_track_->state());
+
+    EXPECT_TRUE(stream_->AddTrack(video_track_));
+    EXPECT_FALSE(stream_->AddTrack(video_track_));
+    EXPECT_TRUE(stream_->AddTrack(audio_track_));
+    EXPECT_FALSE(stream_->AddTrack(audio_track_));
+  }
+
+  void ChangeTrack(MediaStreamTrackInterface* track) {
+    MockObserver observer(track);
+
+    EXPECT_CALL(observer, OnChanged()).Times(Exactly(1));
+    track->set_enabled(false);
+    EXPECT_FALSE(track->enabled());
+  }
+
+  rtc::AutoThread main_thread_;
+  scoped_refptr<MediaStreamInterface> stream_;
+  scoped_refptr<AudioTrackInterface> audio_track_;
+  scoped_refptr<VideoTrackInterface> video_track_;
+};
+
+TEST_F(MediaStreamTest, GetTrackInfo) {
+  ASSERT_EQ(1u, stream_->GetVideoTracks().size());
+  ASSERT_EQ(1u, stream_->GetAudioTracks().size());
+
+  // Verify the video track.
+  scoped_refptr<webrtc::MediaStreamTrackInterface> video_track(
+      stream_->GetVideoTracks()[0]);
+  EXPECT_EQ(0, video_track->id().compare(kVideoTrackId));
+  EXPECT_TRUE(video_track->enabled());
+
+  ASSERT_EQ(1u, stream_->GetVideoTracks().size());
+  EXPECT_TRUE(stream_->GetVideoTracks()[0].get() == video_track.get());
+  EXPECT_TRUE(stream_->FindVideoTrack(video_track->id()).get() ==
+              video_track.get());
+  video_track = stream_->GetVideoTracks()[0];
+  EXPECT_EQ(0, video_track->id().compare(kVideoTrackId));
+  EXPECT_TRUE(video_track->enabled());
+
+  // Verify the audio track.
+  scoped_refptr<webrtc::MediaStreamTrackInterface> audio_track(
+      stream_->GetAudioTracks()[0]);
+  EXPECT_EQ(0, audio_track->id().compare(kAudioTrackId));
+  EXPECT_TRUE(audio_track->enabled());
+  ASSERT_EQ(1u, stream_->GetAudioTracks().size());
+  EXPECT_TRUE(stream_->GetAudioTracks()[0].get() == audio_track.get());
+  EXPECT_TRUE(stream_->FindAudioTrack(audio_track->id()).get() ==
+              audio_track.get());
+  audio_track = stream_->GetAudioTracks()[0];
+  EXPECT_EQ(0, audio_track->id().compare(kAudioTrackId));
+  EXPECT_TRUE(audio_track->enabled());
+}
+
+TEST_F(MediaStreamTest, RemoveTrack) {
+  MockObserver observer(stream_.get());
+
+  EXPECT_CALL(observer, OnChanged()).Times(Exactly(2));
+
+  EXPECT_TRUE(stream_->RemoveTrack(audio_track_));
+  EXPECT_FALSE(stream_->RemoveTrack(audio_track_));
+  EXPECT_EQ(0u, stream_->GetAudioTracks().size());
+  EXPECT_EQ(0u, stream_->GetAudioTracks().size());
+
+  EXPECT_TRUE(stream_->RemoveTrack(video_track_));
+  EXPECT_FALSE(stream_->RemoveTrack(video_track_));
+
+  EXPECT_EQ(0u, stream_->GetVideoTracks().size());
+  EXPECT_EQ(0u, stream_->GetVideoTracks().size());
+
+  EXPECT_FALSE(stream_->RemoveTrack(rtc::scoped_refptr<AudioTrackInterface>()));
+  EXPECT_FALSE(stream_->RemoveTrack(rtc::scoped_refptr<VideoTrackInterface>()));
+}
+
+TEST_F(MediaStreamTest, ChangeVideoTrack) {
+  scoped_refptr<webrtc::VideoTrackInterface> video_track(
+      stream_->GetVideoTracks()[0]);
+  ChangeTrack(video_track.get());
+}
+
+TEST_F(MediaStreamTest, ChangeAudioTrack) {
+  scoped_refptr<webrtc::AudioTrackInterface> audio_track(
+      stream_->GetAudioTracks()[0]);
+  ChangeTrack(audio_track.get());
+}
+
+}  // namespace webrtc