TransformFeedback_unittest.cpp

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Author : Jamie Madill
Date : 2016-05-10 10:39:45
Hash : 7aea7e05
Message : Add EGLImplFactory. Also rename ImplFactory to GLImplFactory. This will allow us to use the same factory design pattern for EGL objects, and to use State helper classes to share data with Impls. BUG=angleproject:1363 BUG=angleproject:1369 Change-Id: I07a8fe40838d5d4ca32b04910c306edeab4d25a7 Reviewed-on: https://chromium-review.googlesource.com/342051 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

src/libANGLE/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/Buffer.h"
#include "libANGLE/Caps.h"
#include "libANGLE/TransformFeedback.h"
#include "libANGLE/renderer/BufferImpl_mock.h"
#include "libANGLE/renderer/TransformFeedbackImpl_mock.h"
#include "tests/angle_unittests_utils.h"

using ::testing::_;
using ::testing::Return;
using ::testing::SetArgumentPointee;

namespace
{

class TransformFeedbackTest : public testing::Test
{
  protected:
    TransformFeedbackTest() : mImpl(nullptr), mFeedback(nullptr) {}

    void SetUp() override
    {
        mImpl = new rx::MockTransformFeedbackImpl;
        EXPECT_CALL(mMockFactory, createTransformFeedback())
            .WillOnce(Return(mImpl))
            .RetiresOnSaturation();

        // Set a reasonable number of tf attributes
        mCaps.maxTransformFeedbackSeparateAttributes = 8;

        EXPECT_CALL(*mImpl, destructor());
        mFeedback = new gl::TransformFeedback(&mMockFactory, 1, mCaps);
        mFeedback->addRef();
    }

    void TearDown() override
    {
        if (mFeedback)
        {
            mFeedback->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(mImpl);
    }

    rx::MockGLFactory mMockFactory;
    rx::MockTransformFeedbackImpl* mImpl;
    gl::TransformFeedback* mFeedback;
    gl::Caps mCaps;
};

TEST_F(TransformFeedbackTest, SideEffectsOfStartAndStop)
{
    testing::InSequence seq;

    EXPECT_FALSE(mFeedback->isActive());
    EXPECT_CALL(*mImpl, begin(GL_TRIANGLES));
    mFeedback->begin(GL_TRIANGLES, nullptr);
    EXPECT_TRUE(mFeedback->isActive());
    EXPECT_EQ(static_cast<GLenum>(GL_TRIANGLES), mFeedback->getPrimitiveMode());
    EXPECT_CALL(*mImpl, end());
    mFeedback->end();
    EXPECT_FALSE(mFeedback->isActive());
}

TEST_F(TransformFeedbackTest, SideEffectsOfPauseAndResume)
{
    testing::InSequence seq;

    EXPECT_FALSE(mFeedback->isActive());
    EXPECT_CALL(*mImpl, begin(GL_TRIANGLES));
    mFeedback->begin(GL_TRIANGLES, nullptr);
    EXPECT_FALSE(mFeedback->isPaused());
    EXPECT_CALL(*mImpl, pause());
    mFeedback->pause();
    EXPECT_TRUE(mFeedback->isPaused());
    EXPECT_CALL(*mImpl, resume());
    mFeedback->resume();
    EXPECT_FALSE(mFeedback->isPaused());
    EXPECT_CALL(*mImpl, end());
    mFeedback->end();
}

TEST_F(TransformFeedbackTest, BufferBinding)
{
    rx::MockBufferImpl *bufferImpl = new rx::MockBufferImpl;
    gl::Buffer *buffer = new gl::Buffer(bufferImpl, 1);
    EXPECT_CALL(*bufferImpl, destructor()).Times(1).RetiresOnSaturation();

    static const size_t bindIndex = 0;

    EXPECT_EQ(mFeedback->getIndexedBufferCount(), mCaps.maxTransformFeedbackSeparateAttributes);

    EXPECT_CALL(*mImpl, bindGenericBuffer(_));
    mFeedback->bindGenericBuffer(buffer);
    EXPECT_EQ(mFeedback->getGenericBuffer().get(), buffer);

    EXPECT_CALL(*mImpl, bindIndexedBuffer(_, _));
    mFeedback->bindIndexedBuffer(bindIndex, buffer, 0, 1);
    for (size_t i = 0; i < mFeedback->getIndexedBufferCount(); i++)
    {
        if (i == bindIndex)
        {
            EXPECT_EQ(mFeedback->getIndexedBuffer(i).get(), buffer);
        }
        else
        {
            EXPECT_EQ(mFeedback->getIndexedBuffer(i).get(), nullptr);
        }
    }

    // force-release the feedback object to ensure the buffer is released.
    const size_t releaseCount = mFeedback->getRefCount();
    for (size_t count = 0; count < releaseCount; ++count)
    {
        mFeedback->release();
    }

    mFeedback = nullptr;

    testing::Mock::VerifyAndClear(bufferImpl);
}

}  // anonymous namespace

kc3-lang/angle/src/libANGLE/TransformFeedback_unittest.cpp

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kc3-lang/angle /src/libANGLE/TransformFeedback_unittest.cpp