Passing frame decoded callback to the codec

media/cast/video_receiver/video_decoder_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/bind.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/test/simple_test_tick_clock.h"
+#include "base/time/tick_clock.h"
+#include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
+#include "media/cast/cast_environment.h"
+#include "media/cast/cast_receiver.h"
+#include "media/cast/test/fake_task_runner.h"
 #include "media/cast/video_receiver/video_decoder.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
 namespace cast {
 
 using testing::_;
 
 // Random frame size for testing.
 const int kFrameSize = 2345;
+static const int64 kStartMillisecond = GG_INT64_C(1245);
+
+namespace {
+class DecodeTestFrameCallback :
+  public base::RefCountedThreadSafe<DecodeTestFrameCallback> {
+ public:
+  DecodeTestFrameCallback() {}
+
+  void DecodeComplete(scoped_ptr<I420VideoFrame> decoded_frame,
+                      const base::TimeTicks& render_time) {}
+ protected:
+  virtual ~DecodeTestFrameCallback() {}
+ private:
+  friend class base::RefCountedThreadSafe<DecodeTestFrameCallback>;
+};
+}  // namespace
 
 class VideoDecoderTest : public ::testing::Test {
  protected:
-  VideoDecoderTest() {
+  VideoDecoderTest()
+    : task_runner_(new test::FakeTaskRunner(&testing_clock_)),
+      cast_environment_(new CastEnvironment(&testing_clock_, task_runner_,
+          task_runner_, task_runner_, task_runner_, task_runner_)),
+      test_callback_(new DecodeTestFrameCallback()) {
     // Configure to vp8.
     config_.codec = kVp8;
     config_.use_external_decoder = false;
-    decoder_.reset(new VideoDecoder(config_));
+    decoder_.reset(new VideoDecoder(config_, cast_environment_));
+    testing_clock_.Advance(
+        base::TimeDelta::FromMilliseconds(kStartMillisecond));
   }
 
   virtual ~VideoDecoderTest() {}
 
   scoped_ptr<VideoDecoder> decoder_;
   VideoReceiverConfig config_;
+  base::SimpleTestTickClock testing_clock_;
+  scoped_refptr<test::FakeTaskRunner> task_runner_;
+  scoped_refptr<CastEnvironment> cast_environment_;
+  scoped_refptr<DecodeTestFrameCallback> test_callback_;
 };
 
 // TODO(pwestin): EXPECT_DEATH tests can not pass valgrind.
 TEST_F(VideoDecoderTest, DISABLED_SizeZero) {
   EncodedVideoFrame encoded_frame;
-  I420VideoFrame video_frame;
   base::TimeTicks render_time;
   encoded_frame.codec = kVp8;
-
   EXPECT_DEATH(
-      decoder_->DecodeVideoFrame(&encoded_frame, render_time, &video_frame),
-     "Empty video frame");
+      decoder_->DecodeVideoFrame(
+          &encoded_frame, render_time,
+          base::Bind(&DecodeTestFrameCallback::DecodeComplete, test_callback_)),
+      "Empty frame");
 }
 
 // TODO(pwestin): EXPECT_DEATH tests can not pass valgrind.
 TEST_F(VideoDecoderTest, DISABLED_InvalidCodec) {
   EncodedVideoFrame encoded_frame;
-  I420VideoFrame video_frame;
   base::TimeTicks render_time;
   encoded_frame.data.assign(kFrameSize, 0);
   encoded_frame.codec = kExternalVideo;
   EXPECT_DEATH(
-      decoder_->DecodeVideoFrame(&encoded_frame, render_time, &video_frame),
-     "Invalid codec");
+      decoder_->DecodeVideoFrame(&encoded_frame, render_time, base::Bind(
+          &DecodeTestFrameCallback::DecodeComplete, test_callback_)),
+      "Invalid codec");
 }
 
 // TODO(pwestin): Test decoding a real frame.
 
 }  // namespace cast
 }  // namespace media