Video Capture Mojo (1.4c): Handle Subsequent Access

services/video_capture/fake_device_video_capture_service_unittest.cc

-// Copyright 2016 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/memory/ref_counted.h"
-#include "base/run_loop.h"
-#include "services/video_capture/fake_device_video_capture_service_test.h"
-#include "services/video_capture/mock_video_capture_device_client.h"
-#include "services/video_capture/public/interfaces/video_capture_device_factory.mojom.h"
-#include "services/video_capture/video_capture_service_test.h"
-
-using testing::_;
-using testing::InvokeWithoutArgs;
-
-namespace video_capture {
-
-TEST_F(FakeDeviceVideoCaptureServiceTest, FrameCallbacksArrive) {
-  auto arbitrary_requested_format = mojom::VideoCaptureFormat::New();
-  arbitrary_requested_format->frame_size.SetSize(640, 480);
-  arbitrary_requested_format->frame_rate = 15;
-  arbitrary_requested_format->pixel_format = media::mojom::VideoFormat::I420;
-  arbitrary_requested_format->pixel_storage = mojom::VideoPixelStorage::CPU;
-
-  base::RunLoop wait_loop;
-  const int kNumFramesToWaitFor = 3;
-  int num_frames_arrived = 0;
-  mojom::VideoCaptureDeviceClientPtr client_proxy;
-  MockVideoCaptureDeviceClient client(mojo::GetProxy(&client_proxy));
-  EXPECT_CALL(client, OnFrameAvailablePtr(_))
-      .WillRepeatedly(InvokeWithoutArgs(
-          [&wait_loop, &kNumFramesToWaitFor, &num_frames_arrived]() {
-            num_frames_arrived += 1;
-            if (num_frames_arrived >= kNumFramesToWaitFor) {
-              wait_loop.Quit();
-            }
-          }));
-
-  fake_device_proxy_->Start(std::move(arbitrary_requested_format),
-                            mojom::ResolutionChangePolicy::FIXED_RESOLUTION,
-                            mojom::PowerLineFrequency::DEFAULT,
-                            std::move(client_proxy));
-  wait_loop.Run();
-}
-
-}  // namespace video_capture