Moving the GL implementation details into a sub folder for client display.

remoting/client/gl_renderer_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 "remoting/client/gl_renderer.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/memory/ptr_util.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "remoting/client/gl_renderer_delegate.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
-
-namespace remoting {
-
-class FakeGlRendererDelegate : public GlRendererDelegate {
- public:
-  FakeGlRendererDelegate() : weak_factory_(this) {}
-
-  bool CanRenderFrame() override {
-    can_render_frame_call_count_++;
-    return can_render_frame_;
-  }
-
-  void OnFrameRendered() override {
-    on_frame_rendered_call_count_++;
-    if (on_frame_rendered_callback_) {
-      on_frame_rendered_callback_.Run();
-    }
-  }
-
-  void OnSizeChanged(int width, int height) override {
-    canvas_width_ = width;
-    canvas_height_ = height;
-    on_size_changed_call_count_++;
-  }
-
-  void SetOnFrameRenderedCallback(const base::Closure& callback) {
-    on_frame_rendered_callback_ = callback;
-  }
-
-  int canvas_width() {
-    return canvas_width_;
-  }
-
-  int canvas_height() {
-    return canvas_height_;
-  }
-
-  base::WeakPtr<FakeGlRendererDelegate> GetWeakPtr() {
-    return weak_factory_.GetWeakPtr();
-  }
-
-  int can_render_frame_call_count() {
-    return can_render_frame_call_count_;
-  }
-
-  int on_frame_rendered_call_count() {
-    return on_frame_rendered_call_count_;
-  }
-
-  int on_size_changed_call_count() {
-    return on_size_changed_call_count_;
-  }
-
-  bool can_render_frame_ = false;
-
- private:
-  int can_render_frame_call_count_ = 0;
-  int on_frame_rendered_call_count_ = 0;
-  int on_size_changed_call_count_ = 0;
-
-  int canvas_width_ = 0;
-  int canvas_height_ = 0;
-
-  base::Closure on_frame_rendered_callback_;
-
-  base::WeakPtrFactory<FakeGlRendererDelegate> weak_factory_;
-};
-
-class GlRendererTest : public testing::Test {
- public:
-  void SetUp() override;
-  void SetDesktopFrameWithSize(const webrtc::DesktopSize& size);
-  void PostSetDesktopFrameTasks(const webrtc::DesktopSize& size, int count);
-
- protected:
-  void RequestRender();
-  void OnDesktopFrameProcessed();
-  void RunTasksInCurrentQueue();
-  void RunUntilRendered();
-  int on_desktop_frame_processed_call_count() {
-    return on_desktop_frame_processed_call_count_;
-  }
-
-  base::MessageLoop message_loop_;
-  std::unique_ptr<GlRenderer> renderer_;
-  FakeGlRendererDelegate delegate_;
-
- private:
-  int on_desktop_frame_processed_call_count_ = 0;
-};
-
-void GlRendererTest::SetUp() {
-  renderer_.reset(new GlRenderer());
-  renderer_->SetDelegate(delegate_.GetWeakPtr());
-}
-
-void GlRendererTest::RequestRender() {
-  renderer_->RequestRender();
-}
-
-void GlRendererTest::SetDesktopFrameWithSize(const webrtc::DesktopSize& size) {
-  renderer_->OnFrameReceived(
-      base::MakeUnique<webrtc::BasicDesktopFrame>(size),
-      base::Bind(&GlRendererTest::OnDesktopFrameProcessed,
-                 base::Unretained(this)));
-}
-
-void GlRendererTest::PostSetDesktopFrameTasks(
-    const webrtc::DesktopSize& size, int count) {
-  for (int i = 0; i < count; i++) {
-    message_loop_.task_runner()->PostTask(
-        FROM_HERE, base::Bind(&GlRendererTest::SetDesktopFrameWithSize,
-                              base::Unretained(this), size));
-  }
-}
-
-void GlRendererTest::OnDesktopFrameProcessed() {
-  on_desktop_frame_processed_call_count_++;
-}
-
-void GlRendererTest::RunTasksInCurrentQueue() {
-  base::RunLoop run_loop;
-  message_loop_.task_runner()->PostTask(FROM_HERE, run_loop.QuitClosure());
-  run_loop.Run();
-}
-
-void GlRendererTest::RunUntilRendered() {
-  base::RunLoop run_loop;
-  delegate_.SetOnFrameRenderedCallback(run_loop.QuitClosure());
-  run_loop.Run();
-}
-
-
-TEST_F(GlRendererTest, TestDelegateCanRenderFrame) {
-  delegate_.can_render_frame_ = true;
-  RequestRender();
-  RunTasksInCurrentQueue();
-  EXPECT_EQ(1, delegate_.can_render_frame_call_count());
-  EXPECT_EQ(1, delegate_.on_frame_rendered_call_count());
-
-  delegate_.can_render_frame_ = false;
-  RequestRender();
-  RunTasksInCurrentQueue();
-  EXPECT_EQ(2, delegate_.can_render_frame_call_count());
-  EXPECT_EQ(1, delegate_.on_frame_rendered_call_count());
-}
-
-TEST_F(GlRendererTest, TestRequestRenderOnlyScheduleOnce) {
-  delegate_.can_render_frame_ = true;
-
-  RequestRender();
-  RequestRender();
-  RequestRender();
-  RunTasksInCurrentQueue();
-  EXPECT_EQ(1, delegate_.can_render_frame_call_count());
-  EXPECT_EQ(1, delegate_.on_frame_rendered_call_count());
-
-  RequestRender();
-  RunTasksInCurrentQueue();
-  EXPECT_EQ(2, delegate_.can_render_frame_call_count());
-  EXPECT_EQ(2, delegate_.on_frame_rendered_call_count());
-}
-
-TEST_F(GlRendererTest, TestDelegateOnSizeChanged) {
-  SetDesktopFrameWithSize(webrtc::DesktopSize(16, 16));
-  EXPECT_EQ(1, delegate_.on_size_changed_call_count());
-  EXPECT_EQ(16, delegate_.canvas_width());
-  EXPECT_EQ(16, delegate_.canvas_height());
-
-  SetDesktopFrameWithSize(webrtc::DesktopSize(16, 16));
-  EXPECT_EQ(1, delegate_.on_size_changed_call_count());
-  EXPECT_EQ(16, delegate_.canvas_width());
-  EXPECT_EQ(16, delegate_.canvas_height());
-
-  SetDesktopFrameWithSize(webrtc::DesktopSize(32, 32));
-  EXPECT_EQ(2, delegate_.on_size_changed_call_count());
-  EXPECT_EQ(32, delegate_.canvas_width());
-  EXPECT_EQ(32, delegate_.canvas_height());
-
-  renderer_->RequestCanvasSize();
-  EXPECT_EQ(3, delegate_.on_size_changed_call_count());
-  EXPECT_EQ(32, delegate_.canvas_width());
-  EXPECT_EQ(32, delegate_.canvas_height());
-}
-
-TEST_F(GlRendererTest, TestOnFrameReceivedDoneCallbacks) {
-  delegate_.can_render_frame_ = true;
-
-  // Implicitly calls RequestRender().
-
-  PostSetDesktopFrameTasks(webrtc::DesktopSize(16, 16), 1);
-  RunUntilRendered();
-  EXPECT_EQ(1, delegate_.on_frame_rendered_call_count());
-  EXPECT_EQ(1, on_desktop_frame_processed_call_count());
-
-  PostSetDesktopFrameTasks(webrtc::DesktopSize(16, 16), 20);
-  RunUntilRendered();
-  EXPECT_EQ(2, delegate_.on_frame_rendered_call_count());
-  EXPECT_EQ(21, on_desktop_frame_processed_call_count());
-}
-
-// TODO(yuweih): Add tests to validate the rendered output.
-
-}  // namespace remoting