Verify returned frames from media::VideoFrame::Wrap*() methods

media/cast/sender/video_sender_unittest.cc

 // 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 <stdint.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 115 matching lines @@
 scoped_refptr<VideoFrame> CreateFakeFrame(const gfx::Size& resolution,
                                           bool high_frame_rate_in_metadata) {
   const scoped_refptr<VideoFrame> frame = VideoFrame::WrapExternalData(
       PIXEL_FORMAT_I420,
       resolution,
       gfx::Rect(resolution),
       resolution,
       static_cast<uint8*>(nullptr) + 1,
       resolution.GetArea() * 3 / 2,
       base::TimeDelta());
+  CHECK(frame);
   const double frame_rate = high_frame_rate_in_metadata ? 60.0 : 30.0;
   frame->metadata()->SetTimeDelta(
       VideoFrameMetadata::FRAME_DURATION,
       base::TimeDelta::FromSecondsD(1.0 / frame_rate));
   return frame;
 }
 
 }  // namespace
 
 class VideoSenderTest : public ::testing::Test {
@@ skipping 512 matching lines @@
                  << ", hfr=" << kTestCases[i].high_frame_rate);
     const scoped_refptr<VideoFrame> frame =
         CreateFakeFrame(resolution, kTestCases[i].high_frame_rate);
     EXPECT_EQ(kTestCases[i].expected_bitrate,
               PeerVideoSender::GetMaximumTargetBitrateForFrame(*frame));
   }
 }
 
 }  // namespace cast
 }  // namespace media