Revert "Delete CC."

cc/output/renderer_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 "cc/output/delegating_renderer.h"
+#include "cc/output/gl_renderer.h"
+#include "cc/output/output_surface.h"
+#include "cc/test/fake_output_surface_client.h"
+#include "cc/test/fake_renderer_client.h"
+#include "cc/test/test_context_provider.h"
+#include "cc/test/test_web_graphics_context_3d.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+namespace {
+
+class TestOutputSurface : public OutputSurface {
+ public:
+  explicit TestOutputSurface(
+      const scoped_refptr<ContextProvider>& context_provider);
+  ~TestOutputSurface() override;
+
+  // OutputSurface implementation
+  void SwapBuffers(CompositorFrame* frame) override;
+};
+
+TestOutputSurface::TestOutputSurface(
+    const scoped_refptr<ContextProvider>& context_provider)
+    : OutputSurface(context_provider) {
+}
+
+TestOutputSurface::~TestOutputSurface() {
+}
+
+void TestOutputSurface::SwapBuffers(CompositorFrame* frame) {
+  client_->DidSwapBuffers();
+  client_->DidSwapBuffersComplete();
+}
+
+class MockContextProvider : public TestContextProvider {
+ public:
+  explicit MockContextProvider(scoped_ptr<TestWebGraphicsContext3D> context)
+      : TestContextProvider(context.Pass()) {}
+  MOCK_METHOD0(DeleteCachedResources, void());
+
+ protected:
+  ~MockContextProvider() {}
+};
+
+template <class T>
+scoped_ptr<Renderer> CreateRenderer(RendererClient* client,
+                                    const RendererSettings* settings,
+                                    OutputSurface* output_surface,
+                                    ResourceProvider* resource_provider);
+
+template <>
+scoped_ptr<Renderer> CreateRenderer<DelegatingRenderer>(
+    RendererClient* client,
+    const RendererSettings* settings,
+    OutputSurface* output_surface,
+    ResourceProvider* resource_provider) {
+  return DelegatingRenderer::Create(
+      client, settings, output_surface, resource_provider);
+}
+
+template <>
+scoped_ptr<Renderer> CreateRenderer<GLRenderer>(
+    RendererClient* client,
+    const RendererSettings* settings,
+    OutputSurface* output_surface,
+    ResourceProvider* resource_provider) {
+  return GLRenderer::Create(
+      client, settings, output_surface, resource_provider, NULL, 0);
+}
+
+template <typename T>
+class RendererTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    context_provider_ =
+        new MockContextProvider(TestWebGraphicsContext3D::Create());
+    output_surface_.reset(new TestOutputSurface(context_provider_));
+    output_surface_->BindToClient(&output_surface_client_);
+    resource_provider_ = ResourceProvider::Create(
+        output_surface_.get(), NULL, NULL, NULL, 0, false, 1);
+    renderer_ = CreateRenderer<T>(&renderer_client_,
+                                  &tree_settings_,
+                                  output_surface_.get(),
+                                  resource_provider_.get());
+  }
+
+  FakeRendererClient renderer_client_;
+  RendererSettings tree_settings_;
+  FakeOutputSurfaceClient output_surface_client_;
+  scoped_refptr<MockContextProvider> context_provider_;
+  scoped_ptr<OutputSurface> output_surface_;
+  scoped_ptr<ResourceProvider> resource_provider_;
+  scoped_ptr<Renderer> renderer_;
+};
+
+typedef ::testing::Types<DelegatingRenderer, GLRenderer> RendererTypes;
+TYPED_TEST_CASE(RendererTest, RendererTypes);
+
+TYPED_TEST(RendererTest, ContextPurgedWhenRendererBecomesInvisible) {
+  EXPECT_CALL(*(this->context_provider_.get()), DeleteCachedResources())
+      .Times(1);
+
+  EXPECT_TRUE(this->renderer_->visible());
+  this->renderer_->SetVisible(false);
+  EXPECT_FALSE(this->renderer_->visible());
+}
+
+}  // namespace
+}  // namespace cc