kc3-lang/angle/tests/angle_implementation_unit_tests/TransformFeedback_unittest.cpp

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• Hash : 2b5420c0
  Author :
  Date : 2014-11-19T14:20:15
  

  Merge libGLESv2 and libEGL classes into libANGLE.
  
  BUG=angle:733
  
  Change-Id: Ic491c971411fe82c56cd97c5c8325ac14ec218df
  Reviewed-on: https://chromium-review.googlesource.com/230830
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• tests/angle_implementation_unit_tests/TransformFeedback_unittest.cpp

• //
  // Copyright (c) 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/TransformFeedback.h"
  #include "libANGLE/renderer/TransformFeedbackImpl.h"
  
  namespace {
  
  class MockTransformFeedbackImpl : public rx::TransformFeedbackImpl
  {
    public:
      virtual ~MockTransformFeedbackImpl() { destroy(); }
  
      MOCK_METHOD1(begin, void(GLenum primitiveMode));
      MOCK_METHOD0(end, void());
      MOCK_METHOD0(pause, void());
      MOCK_METHOD0(resume, void());
  
      MOCK_METHOD0(destroy, void());
  };
  
  class TransformFeedbackTest : public testing::Test
  {
    protected:
      virtual void SetUp()
      {
          mImpl = new MockTransformFeedbackImpl;
          EXPECT_CALL(*mImpl, destroy());
          mFeedback = new gl::TransformFeedback(mImpl, 1);
          mFeedback->addRef();
      }
  
      virtual void TearDown()
      {
          mFeedback->release();
      }
  
      MockTransformFeedbackImpl* mImpl;
      gl::TransformFeedback* mFeedback;
  };
  
  TEST_F(TransformFeedbackTest, DestructionDeletesImpl)
  {
      MockTransformFeedbackImpl* impl = new MockTransformFeedbackImpl;
      EXPECT_CALL(*impl, destroy()).Times(1).RetiresOnSaturation();
  
      gl::TransformFeedback* feedback = new gl::TransformFeedback(impl, 1);
      feedback->addRef();
      feedback->release();
  
      // 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.
      testing::Mock::VerifyAndClear(impl);
  }
  
  TEST_F(TransformFeedbackTest, SideEffectsOfStartAndStop)
  {
      testing::InSequence seq;
  
      EXPECT_EQ(GL_FALSE, mFeedback->isStarted());
      EXPECT_CALL(*mImpl, begin(GL_TRIANGLES));
      mFeedback->start(GL_TRIANGLES);
      EXPECT_EQ(GL_TRUE, mFeedback->isStarted());
      EXPECT_EQ(static_cast<GLenum>(GL_TRIANGLES), mFeedback->getDrawMode());
      EXPECT_CALL(*mImpl, end());
      mFeedback->stop();
      EXPECT_EQ(GL_FALSE, mFeedback->isStarted());
  }
  
  TEST_F(TransformFeedbackTest, SideEffectsOfPauseAndResume)
  {
      testing::InSequence seq;
  
      EXPECT_FALSE(mFeedback->isStarted());
      EXPECT_CALL(*mImpl, begin(GL_TRIANGLES));
      mFeedback->start(GL_TRIANGLES);
      EXPECT_EQ(GL_FALSE, mFeedback->isPaused());
      EXPECT_CALL(*mImpl, pause());
      mFeedback->pause();
      EXPECT_EQ(GL_TRUE, mFeedback->isPaused());
      EXPECT_CALL(*mImpl, resume());
      mFeedback->resume();
      EXPECT_EQ(GL_FALSE, mFeedback->isPaused());
      EXPECT_CALL(*mImpl, end());
      mFeedback->stop();
  }
  
  } // namespace
  

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