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// Copyright 2014 The Chromium 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 "config.h"
#include "core/paint/RenderDrawingRecorder.h"
#include "core/rendering/RenderLayer.h"
#include "core/rendering/RenderView.h"
#include "core/rendering/RenderingTestHelper.h"
#include "platform/graphics/GraphicsContext.h"
#include "platform/graphics/GraphicsLayer.h"
#include "platform/graphics/paint/DisplayItemList.h"
#include <gtest/gtest.h>
namespace blink {
namespace {
class DrawingRecorderTest : public RenderingTest {
public:
DrawingRecorderTest() : m_renderView(nullptr) { }
protected:
RenderView* renderView() { return m_renderView; }
DisplayItemList& rootDisplayItemList() { return *renderView()->layer()->graphicsLayerBacking()->displayItemList(); }
private:
virtual void SetUp() override
{
RuntimeEnabledFeatures::setSlimmingPaintEnabled(true);
RenderingTest::SetUp();
enableCompositing();
m_renderView = document().view()->renderView();
ASSERT_TRUE(m_renderView);
}
RenderView* m_renderView;
};
void drawNothing(GraphicsContext* context, RenderView* renderer, PaintPhase phase, const FloatRect& bound)
{
RenderDrawingRecorder drawingRecorder(context, *renderer, phase, bound);
}
void drawRect(GraphicsContext* context, RenderView* renderer, PaintPhase phase, const FloatRect& bound)
{
RenderDrawingRecorder drawingRecorder(context, *renderer, phase, bound);
if (drawingRecorder.canUseCachedDrawing())
return;
IntRect rect(0, 0, 10, 10);
context->drawRect(rect);
}
TEST_F(DrawingRecorderTest, DrawingRecorderTest_Nothing)
{
GraphicsContext context(nullptr, &rootDisplayItemList());
FloatRect bound = renderView()->viewRect();
EXPECT_EQ((size_t)0, rootDisplayItemList().paintList().size());
drawNothing(&context, renderView(), PaintPhaseForeground, bound);
EXPECT_EQ((size_t)1, rootDisplayItemList().paintList().size());
#ifndef NDEBUG
EXPECT_STREQ("Dummy", rootDisplayItemList().paintList()[0]->name());
#endif
}
TEST_F(DrawingRecorderTest, DrawingRecorderTest_Rect)
{
GraphicsContext context(nullptr, &rootDisplayItemList());
FloatRect bound = renderView()->viewRect();
drawRect(&context, renderView(), PaintPhaseForeground, bound);
EXPECT_EQ((size_t)1, rootDisplayItemList().paintList().size());
#ifndef NDEBUG
EXPECT_STREQ("Drawing", rootDisplayItemList().paintList()[0]->name());
#endif
}
TEST_F(DrawingRecorderTest, DrawingRecorderTest_Cached)
{
GraphicsContext context(nullptr, &rootDisplayItemList());
FloatRect bound = renderView()->viewRect();
drawNothing(&context, renderView(), PaintPhaseBlockBackground, bound);
drawRect(&context, renderView(), PaintPhaseForeground, bound);
EXPECT_EQ((size_t)2, rootDisplayItemList().paintList().size());
#ifndef NDEBUG
EXPECT_STREQ("Dummy", rootDisplayItemList().paintList()[0]->name());
EXPECT_STREQ("Drawing", rootDisplayItemList().paintList()[1]->name());
#endif
drawNothing(&context, renderView(), PaintPhaseBlockBackground, bound);
drawRect(&context, renderView(), PaintPhaseForeground, bound);
EXPECT_EQ((size_t)2, rootDisplayItemList().paintList().size());
#ifndef NDEBUG
EXPECT_STREQ("Dummy", rootDisplayItemList().paintList()[0]->name());
EXPECT_STREQ("Drawing", rootDisplayItemList().paintList()[1]->name());
#endif
}
}
}
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