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//
// Copyright 2015 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.
//
// angle_unittests_utils.h:
//   Helpers for mocking and unit testing.

#ifndef TESTS_ANGLE_UNITTESTS_UTILS_H_
#define TESTS_ANGLE_UNITTESTS_UTILS_H_

#include "libANGLE/Surface.h"
#include "libANGLE/renderer/ContextImpl.h"
#include "libANGLE/renderer/EGLImplFactory.h"
#include "libANGLE/renderer/GLImplFactory.h"

namespace rx
{

// Useful when mocking a part of the GLImplFactory class
class NullFactory : public GLImplFactory
{
  public:
    NullFactory() {}

    // Shader creation
    CompilerImpl *createCompiler() override { return nullptr; }
    ShaderImpl *createShader(const gl::ShaderState &data) override { return nullptr; }
    ProgramImpl *createProgram(const gl::ProgramState &data) override { return nullptr; }

    // Framebuffer creation
    FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) override
    {
        return nullptr;
    }

    // Texture creation
    TextureImpl *createTexture(const gl::TextureState &data) override { return nullptr; }

    // Renderbuffer creation
    RenderbufferImpl *createRenderbuffer() override { return nullptr; }

    // Buffer creation
    BufferImpl *createBuffer(const gl::BufferState &state) override { return nullptr; }

    // Vertex Array creation
    VertexArrayImpl *createVertexArray(const gl::VertexArrayState &data) override
    {
        return nullptr;
    }

    // Query and Fence creation
    QueryImpl *createQuery(GLenum type) override { return nullptr; }
    FenceNVImpl *createFenceNV() override { return nullptr; }
    FenceSyncImpl *createFenceSync() override { return nullptr; }

    // Transform Feedback creation
    TransformFeedbackImpl *createTransformFeedback(const gl::TransformFeedbackState &state) override
    {
        return nullptr;
    }

    // Sampler object creation
    SamplerImpl *createSampler() override { return nullptr; }

    std::vector<PathImpl *> createPaths(GLsizei range) override
    {
        return std::vector<PathImpl *>();
    }
};

// A class with all the factory methods mocked.
class MockGLFactory : public GLImplFactory
{
  public:
    MOCK_METHOD1(createContext, ContextImpl *(const gl::ContextState &));
    MOCK_METHOD0(createCompiler, CompilerImpl *());
    MOCK_METHOD1(createShader, ShaderImpl *(const gl::ShaderState &));
    MOCK_METHOD1(createProgram, ProgramImpl *(const gl::ProgramState &));
    MOCK_METHOD1(createFramebuffer, FramebufferImpl *(const gl::FramebufferState &));
    MOCK_METHOD1(createTexture, TextureImpl *(const gl::TextureState &));
    MOCK_METHOD0(createRenderbuffer, RenderbufferImpl *());
    MOCK_METHOD1(createBuffer, BufferImpl *(const gl::BufferState &));
    MOCK_METHOD1(createVertexArray, VertexArrayImpl *(const gl::VertexArrayState &));
    MOCK_METHOD1(createQuery, QueryImpl *(GLenum type));
    MOCK_METHOD0(createFenceNV, FenceNVImpl *());
    MOCK_METHOD0(createFenceSync, FenceSyncImpl *());
    MOCK_METHOD1(createTransformFeedback,
                 TransformFeedbackImpl *(const gl::TransformFeedbackState &));
    MOCK_METHOD0(createSampler, SamplerImpl *());
    MOCK_METHOD1(createPaths, std::vector<PathImpl *>(GLsizei));
};

class MockEGLFactory : public EGLImplFactory
{
  public:
    MOCK_METHOD4(createWindowSurface,
                 SurfaceImpl *(const egl::SurfaceState &,
                               const egl::Config *,
                               EGLNativeWindowType,
                               const egl::AttributeMap &));
    MOCK_METHOD3(createPbufferSurface,
                 SurfaceImpl *(const egl::SurfaceState &,
                               const egl::Config *,
                               const egl::AttributeMap &));
    MOCK_METHOD5(createPbufferFromClientBuffer,
                 SurfaceImpl *(const egl::SurfaceState &,
                               const egl::Config *,
                               EGLenum,
                               EGLClientBuffer,
                               const egl::AttributeMap &));
    MOCK_METHOD4(createPixmapSurface,
                 SurfaceImpl *(const egl::SurfaceState &,
                               const egl::Config *,
                               NativePixmapType,
                               const egl::AttributeMap &));
    MOCK_METHOD3(createImage, ImageImpl *(EGLenum, egl::ImageSibling *, const egl::AttributeMap &));
    MOCK_METHOD1(createContext, ContextImpl *(const gl::ContextState &));
    MOCK_METHOD2(createStreamProducerD3DTextureNV12,
                 StreamProducerImpl *(egl::Stream::ConsumerType, const egl::AttributeMap &));
};

}  // namespace rx

#endif // TESTS_ANGLE_UNITTESTS_UTILS_H_