Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/api/videotrack_unittest.cc

-/*
- *  Copyright 2012 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 <memory>
-#include <string>
-
-#include "webrtc/api/test/fakevideotrackrenderer.h"
-#include "webrtc/api/videocapturertracksource.h"
-#include "webrtc/api/videotrack.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/media/base/fakevideocapturer.h"
-#include "webrtc/media/base/fakemediaengine.h"
-
-using webrtc::FakeVideoTrackRenderer;
-using webrtc::MediaSourceInterface;
-using webrtc::MediaStreamTrackInterface;
-using webrtc::VideoTrackSource;
-using webrtc::VideoTrack;
-using webrtc::VideoTrackInterface;
-
-class VideoTrackTest : public testing::Test {
- public:
-  VideoTrackTest() {
-    static const char kVideoTrackId[] = "track_id";
-    video_track_source_ = new rtc::RefCountedObject<VideoTrackSource>(
-        &capturer_, true /* remote */);
-    video_track_ = VideoTrack::Create(kVideoTrackId, video_track_source_);
-    capturer_.Start(
-        cricket::VideoFormat(640, 480, cricket::VideoFormat::FpsToInterval(30),
-                             cricket::FOURCC_I420));
-  }
-
- protected:
-  cricket::FakeVideoCapturer capturer_;
-  rtc::scoped_refptr<VideoTrackSource> video_track_source_;
-  rtc::scoped_refptr<VideoTrackInterface> video_track_;
-};
-
-// Test changing the source state also changes the track state.
-TEST_F(VideoTrackTest, SourceStateChangeTrackState) {
-  EXPECT_EQ(MediaStreamTrackInterface::kLive, video_track_->state());
-  video_track_source_->SetState(MediaSourceInterface::kEnded);
-  EXPECT_EQ(MediaStreamTrackInterface::kEnded, video_track_->state());
-}
-
-// Test adding renderers to a video track and render to them by providing
-// frames to the source.
-TEST_F(VideoTrackTest, RenderVideo) {
-  // FakeVideoTrackRenderer register itself to |video_track_|
-  std::unique_ptr<FakeVideoTrackRenderer> renderer_1(
-      new FakeVideoTrackRenderer(video_track_.get()));
-
-  capturer_.CaptureFrame();
-  EXPECT_EQ(1, renderer_1->num_rendered_frames());
-
-  // FakeVideoTrackRenderer register itself to |video_track_|
-  std::unique_ptr<FakeVideoTrackRenderer> renderer_2(
-      new FakeVideoTrackRenderer(video_track_.get()));
-  capturer_.CaptureFrame();
-  EXPECT_EQ(2, renderer_1->num_rendered_frames());
-  EXPECT_EQ(1, renderer_2->num_rendered_frames());
-
-  renderer_1.reset(nullptr);
-  capturer_.CaptureFrame();
-  EXPECT_EQ(2, renderer_2->num_rendered_frames());
-}
-
-// Test that disabling the track results in blacked out frames.
-TEST_F(VideoTrackTest, DisableTrackBlackout) {
-  std::unique_ptr<FakeVideoTrackRenderer> renderer(
-      new FakeVideoTrackRenderer(video_track_.get()));
-
-  capturer_.CaptureFrame();
-  EXPECT_EQ(1, renderer->num_rendered_frames());
-  EXPECT_FALSE(renderer->black_frame());
-
-  video_track_->set_enabled(false);
-  capturer_.CaptureFrame();
-  EXPECT_EQ(2, renderer->num_rendered_frames());
-  EXPECT_TRUE(renderer->black_frame());
-
-  video_track_->set_enabled(true);
-  capturer_.CaptureFrame();
-  EXPECT_EQ(3, renderer->num_rendered_frames());
-  EXPECT_FALSE(renderer->black_frame());
-}