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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "GraphicsContext3D.h"
#include "FakeWebGraphicsContext3D.h"
#include "GraphicsContext3DPrivate.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using namespace WebCore;
using namespace WebKit;
class FrameCountingContext : public FakeWebGraphicsContext3D {
public:
FrameCountingContext() : m_frame(0) { }
// This method would normally do a glSwapBuffers under the hood.
virtual void prepareTexture() { m_frame++; }
int frameCount() { return m_frame; }
private:
int m_frame;
};
TEST(FakeGraphicsContext3DTest, CanOverrideManually)
{
GraphicsContext3D::Attributes attrs;
RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new FrameCountingContext()), attrs, 0, GraphicsContext3D::RenderDirectlyToHostWindow, GraphicsContext3DPrivate::ForUseOnThisThread);
FrameCountingContext& mockContext = *static_cast<FrameCountingContext*>(GraphicsContext3DPrivate::extractWebGraphicsContext3D(context.get()));
for (int i = 0; i < 10; i++) {
context->clearColor(0, 0, 0, 1);
context->prepareTexture();
}
context->finish();
EXPECT_EQ(10, mockContext.frameCount());
}
class GMockContext : public FakeWebGraphicsContext3D {
public:
MOCK_METHOD0(getError, WGC3Denum());
};
TEST(FakeGraphicsContext3DTest, CanUseGMock)
{
GraphicsContext3D::Attributes attrs;
RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new GMockContext()), attrs, 0, GraphicsContext3D::RenderDirectlyToHostWindow, GraphicsContext3DPrivate::ForUseOnThisThread);
GMockContext& mockContext = *static_cast<GMockContext*>(GraphicsContext3DPrivate::extractWebGraphicsContext3D(context.get()));
EXPECT_CALL(mockContext, getError())
.WillRepeatedly(testing::Return(314));
// It's OK to call methods GMock doesn't know about.
context->makeContextCurrent();
// Check that the mocked method is returning as intended.
for (int i = 0; i < 10; i++)
EXPECT_EQ((int)context->getError(), 314);
}
class ContextThatCountsMakeCurrents : public FakeWebGraphicsContext3D {
public:
ContextThatCountsMakeCurrents() : m_makeCurrentCount(0) { }
virtual bool makeContextCurrent()
{
m_makeCurrentCount++;
return true;
}
int makeCurrentCount() { return m_makeCurrentCount; }
private:
int m_makeCurrentCount;
};
TEST(FakeGraphicsContext3DTest, ContextForThisThreadShouldMakeCurrent)
{
GraphicsContext3D::Attributes attrs;
RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new ContextThatCountsMakeCurrents()), attrs, 0, GraphicsContext3D::RenderDirectlyToHostWindow, GraphicsContext3DPrivate::ForUseOnThisThread);
EXPECT_TRUE(context);
ContextThatCountsMakeCurrents& mockContext = *static_cast<ContextThatCountsMakeCurrents*>(GraphicsContext3DPrivate::extractWebGraphicsContext3D(context.get()));
EXPECT_EQ(1, mockContext.makeCurrentCount());
}
TEST(FakeGraphicsContext3DTest, ContextForAnotherThreadShouldNotMakeCurrent)
{
GraphicsContext3D::Attributes attrs;
RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new ContextThatCountsMakeCurrents()), attrs, 0, GraphicsContext3D::RenderDirectlyToHostWindow, GraphicsContext3DPrivate::ForUseOnAnotherThread);
EXPECT_TRUE(context);
ContextThatCountsMakeCurrents& mockContext = *static_cast<ContextThatCountsMakeCurrents*>(GraphicsContext3DPrivate::extractWebGraphicsContext3D(context.get()));
EXPECT_EQ(0, mockContext.makeCurrentCount());
}
class ContextWithMakeCurrentThatFails : public FakeWebGraphicsContext3D {
public:
ContextWithMakeCurrentThatFails() { }
virtual bool makeContextCurrent() { return false; }
};
TEST(FakeGraphicsContext3DTest, ContextForThisThreadFailsWhenMakeCurrentFails)
{
GraphicsContext3D::Attributes attrs;
RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new ContextWithMakeCurrentThatFails()), attrs, 0, GraphicsContext3D::RenderDirectlyToHostWindow, GraphicsContext3DPrivate::ForUseOnThisThread);
EXPECT_FALSE(context);
}
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