text: //
  // Copyright 2014 The ANGLE Project 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 "gmock/gmock.h"
  #include "gtest/gtest.h"
  
  #include "libANGLE/AttributeMap.h"
  #include "libANGLE/Config.h"
  #include "libANGLE/State.h"
  #include "libANGLE/Surface.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/FramebufferImpl_mock.h"
  #include "libANGLE/renderer/SurfaceImpl.h"
  #include "tests/angle_unittests_utils.h"
  
  using namespace rx;
  using namespace testing;
  
  namespace
  {
  
  class MockSurfaceImpl : public rx::SurfaceImpl
  {
    public:
      MockSurfaceImpl() : SurfaceImpl(mockState), mockState(nullptr, egl::AttributeMap()) {}
      virtual ~MockSurfaceImpl() { destructor(); }
  
      MOCK_METHOD1(destroy, void(const egl::Display *));
      MOCK_METHOD1(initialize, egl::Error(const egl::Display *));
      MOCK_METHOD2(createDefaultFramebuffer,
                   rx::FramebufferImpl *(const gl::Context *, const gl::FramebufferState &data));
      MOCK_METHOD1(swap, egl::Error(const gl::Context *));
      MOCK_METHOD3(swapWithDamage, egl::Error(const gl::Context *, EGLint *, EGLint));
      MOCK_METHOD5(postSubBuffer, egl::Error(const gl::Context *, EGLint, EGLint, EGLint, EGLint));
      MOCK_METHOD2(querySurfacePointerANGLE, egl::Error(EGLint, void **));
      MOCK_METHOD3(bindTexImage, egl::Error(const gl::Context *context, gl::Texture *, EGLint));
      MOCK_METHOD2(releaseTexImage, egl::Error(const gl::Context *context, EGLint));
      MOCK_METHOD3(getSyncValues, egl::Error(EGLuint64KHR *, EGLuint64KHR *, EGLuint64KHR *));
      MOCK_METHOD1(setSwapInterval, void(EGLint));
      MOCK_CONST_METHOD0(getWidth, EGLint());
      MOCK_CONST_METHOD0(getHeight, EGLint());
      MOCK_CONST_METHOD0(isPostSubBufferSupported, EGLint(void));
      MOCK_CONST_METHOD0(getSwapBehavior, EGLint(void));
      MOCK_METHOD5(getAttachmentRenderTarget,
                   angle::Result(const gl::Context *,
                                 GLenum,
                                 const gl::ImageIndex &,
                                 GLsizei,
                                 rx::FramebufferAttachmentRenderTarget **));
  
      MOCK_METHOD0(destructor, void());
  
      egl::SurfaceState mockState;
  };
  
  TEST(SurfaceTest, DestructionDeletesImpl)
  {
      NiceMock<MockEGLFactory> factory;
  
      MockSurfaceImpl *impl = new MockSurfaceImpl;
      EXPECT_CALL(factory, createWindowSurface(_, _, _)).WillOnce(Return(impl));
  
      egl::Config config;
      egl::Surface *surface = new egl::WindowSurface(
          &factory, &config, static_cast<EGLNativeWindowType>(0), egl::AttributeMap());
  
      EXPECT_CALL(*impl, destroy(_)).Times(1).RetiresOnSaturation();
      EXPECT_CALL(*impl, destructor()).Times(1).RetiresOnSaturation();
  
      EXPECT_FALSE(surface->onDestroy(nullptr).isError());
  
      // Only needed because the mock is leaked if bugs are present,
      // which logs an error, but does not cause the test to fail.
      // Ordinarily mocks are verified when destroyed.
      Mock::VerifyAndClear(impl);
  }
  
  }  // namespace
  