Source/core/platform/graphics/chromium/Canvas2DLayerManagerTest.cpp - platform/external/chromium_org/third_party/WebKit - Git at Google

 /*
  * Copyright (C) 2012 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 INC. 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 INC. 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 "core/platform/graphics/chromium/Canvas2DLayerManager.h"

 #include "SkDevice.h"
 #include "SkSurface.h"
 #include "core/platform/graphics/GraphicsContext3D.h"
 #include "core/platform/testing/FakeWebGraphicsContext3D.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebThread.h"

 #include <gmock/gmock.h>
 #include <gtest/gtest.h>

 using namespace WebCore;
 using testing::InSequence;
 using testing::Return;
 using testing::Test;


 class FakeCanvas2DLayerBridge : public Canvas2DLayerBridge {
 public:
     FakeCanvas2DLayerBridge(PassRefPtr<GraphicsContext3D> context, PassRefPtr<SkDeferredCanvas> canvas)
         : Canvas2DLayerBridge(context, canvas, NonOpaque)
         , m_freeableBytes(0)
         , m_freeMemoryIfPossibleCount(0)
         , m_flushCount(0)
     {
     }

     virtual size_t storageAllocatedForRecording() OVERRIDE
     {
         // Because the fake layer has no canvas to query, just
         // return status quo. Allocation changes that would normally be
         // initiated by the canvas can be faked by invoking
         // storageAllocatedForRecordingChanged directly from the test code.
         return m_bytesAllocated;
     }

     void fakeFreeableBytes(size_t size)
     {
         m_freeableBytes = size;
     }

     virtual size_t freeMemoryIfPossible(size_t size) OVERRIDE
     {
         m_freeMemoryIfPossibleCount++;
         size_t bytesFreed = size < m_freeableBytes ? size : m_freeableBytes;
         m_freeableBytes -= bytesFreed;
         if (bytesFreed)
             Canvas2DLayerManager::get().layerAllocatedStorageChanged(this, -((intptr_t)bytesFreed));
         m_bytesAllocated -= bytesFreed;
         return bytesFreed;
     }

     virtual void flush() OVERRIDE
     {
         flushedDrawCommands();
         m_flushCount++;
     }

 public:
     size_t m_freeableBytes;
     int m_freeMemoryIfPossibleCount;
     int m_flushCount;
 };

 static PassRefPtr<SkDeferredCanvas> createCanvas(GraphicsContext3D* context)
 {
     return adoptRef(SkDeferredCanvas::Create(SkSurface::NewRasterPMColor(1, 1)));
 }

 FakeCanvas2DLayerBridge* fake(const Canvas2DLayerBridgePtr& layer)
 {
     return static_cast<FakeCanvas2DLayerBridge*>(layer.get());
 }

 class Canvas2DLayerManagerTest : public Test {
 protected:
     void storageAllocationTrackingTest()
     {
         Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
         manager.init(10, 10);
         {
             RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
             RefPtr<SkDeferredCanvas> canvas1(createCanvas(context.get()));
             Canvas2DLayerBridgePtr layer1(adoptRef(new FakeCanvas2DLayerBridge(context, canvas1.release())));
             EXPECT_EQ((size_t)0, manager.m_bytesAllocated);
             layer1->storageAllocatedForRecordingChanged(1);
             EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
             // Test allocation increase
             layer1->storageAllocatedForRecordingChanged(2);
             EXPECT_EQ((size_t)2, manager.m_bytesAllocated);
             // Test allocation decrease
             layer1->storageAllocatedForRecordingChanged(1);
             EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
             {
                 RefPtr<SkDeferredCanvas> canvas2(createCanvas(context.get()));
                 Canvas2DLayerBridgePtr layer2(adoptRef(new FakeCanvas2DLayerBridge(context, canvas2.release())));
                 EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
                 // verify multi-layer allocation tracking
                 layer2->storageAllocatedForRecordingChanged(2);
                 EXPECT_EQ((size_t)3, manager.m_bytesAllocated);
             }
             // Verify tracking after destruction
             EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
         }
     }

     void evictionTest()
     {
         RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
         Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
         manager.init(10, 5);
         RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
         Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
         fake(layer)->fakeFreeableBytes(10);
         layer->storageAllocatedForRecordingChanged(8); // under the max
         EXPECT_EQ(0, fake(layer)->m_freeMemoryIfPossibleCount);
         layer->storageAllocatedForRecordingChanged(12); // over the max
         EXPECT_EQ(1, fake(layer)->m_freeMemoryIfPossibleCount);
         EXPECT_EQ((size_t)3, fake(layer)->m_freeableBytes);
         EXPECT_EQ(0, fake(layer)->m_flushCount); // eviction succeeded without triggering a flush
         EXPECT_EQ((size_t)5, layer->bytesAllocated());
     }

     void flushEvictionTest()
     {
         RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
         Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
         manager.init(10, 5);
         RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
         Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
         fake(layer)->fakeFreeableBytes(1); // Not enough freeable bytes, will cause aggressive eviction by flushing
         layer->storageAllocatedForRecordingChanged(8); // under the max
         EXPECT_EQ(0, fake(layer)->m_freeMemoryIfPossibleCount);
         layer->storageAllocatedForRecordingChanged(12); // over the max
         EXPECT_EQ(2, fake(layer)->m_freeMemoryIfPossibleCount); // Two tries, one before flush, one after flush
         EXPECT_EQ((size_t)0, fake(layer)->m_freeableBytes);
         EXPECT_EQ(1, fake(layer)->m_flushCount); // flush was attempted
         EXPECT_EQ((size_t)11, layer->bytesAllocated()); // flush drops the layer from manager's tracking list
         EXPECT_FALSE(manager.isInList(layer.get()));
     }

     void doDeferredFrameTestTask(FakeCanvas2DLayerBridge* layer, bool skipCommands)
     {
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         layer->contextAcquired();
         layer->storageAllocatedForRecordingChanged(1);
         EXPECT_TRUE(Canvas2DLayerManager::get().m_taskObserverActive);
         if (skipCommands) {
             layer->contextAcquired();
             layer->storageAllocatedForRecordingChanged(0);
             layer->skippedPendingDrawCommands();
         }
         WebKit::Platform::current()->currentThread()->exitRunLoop();
     }

     class DeferredFrameTestTask : public WebKit::WebThread::Task {
     public:
         DeferredFrameTestTask(Canvas2DLayerManagerTest* test, FakeCanvas2DLayerBridge* layer, bool skipCommands)
         {
             m_test = test;
             m_layer = layer;
             m_skipCommands = skipCommands;
         }

         virtual void run() OVERRIDE
         {
             m_test->doDeferredFrameTestTask(m_layer, m_skipCommands);
         }
     private:
         Canvas2DLayerManagerTest* m_test;
         FakeCanvas2DLayerBridge* m_layer;
         bool m_skipCommands;
     };

     void deferredFrameTest()
     {
         RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
         Canvas2DLayerManager::get().init(10, 10);
         RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
         Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
         WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
         WebKit::Platform::current()->currentThread()->enterRunLoop();
         // Verify that didProcessTask was called upon completion
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         // Verify that no flush was performed because frame is fresh
         EXPECT_EQ(0, fake(layer)->m_flushCount);

         // Verify that no flushes are triggered as long as frame are fresh
         WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
         WebKit::Platform::current()->currentThread()->enterRunLoop();
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         EXPECT_EQ(0, fake(layer)->m_flushCount);

         WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
         WebKit::Platform::current()->currentThread()->enterRunLoop();
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         EXPECT_EQ(0, fake(layer)->m_flushCount);

         // Verify that a flush is triggered when queue is accumulating a multi-frame backlog.
         WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), false));
         WebKit::Platform::current()->currentThread()->enterRunLoop();
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         EXPECT_EQ(1, fake(layer)->m_flushCount);

         WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), false));
         WebKit::Platform::current()->currentThread()->enterRunLoop();
         EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
         EXPECT_EQ(2, fake(layer)->m_flushCount);
     }
 };

 namespace {

 TEST_F(Canvas2DLayerManagerTest, testStorageAllocationTracking)
 {
     storageAllocationTrackingTest();
 }

 TEST_F(Canvas2DLayerManagerTest, testEviction)
 {
     evictionTest();
 }

 TEST_F(Canvas2DLayerManagerTest, testFlushEviction)
 {
     flushEvictionTest();
 }

 TEST_F(Canvas2DLayerManagerTest, testDeferredFrame)
 {
     deferredFrameTest();
 }

 } // namespace
	/*
	* Copyright (C) 2012 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 INC. 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 INC. 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 "core/platform/graphics/chromium/Canvas2DLayerManager.h"

	#include "SkDevice.h"
	#include "SkSurface.h"
	#include "core/platform/graphics/GraphicsContext3D.h"
	#include "core/platform/testing/FakeWebGraphicsContext3D.h"
	#include "public/platform/Platform.h"
	#include "public/platform/WebThread.h"

	#include <gmock/gmock.h>
	#include <gtest/gtest.h>

	using namespace WebCore;
	using testing::InSequence;
	using testing::Return;
	using testing::Test;


	class FakeCanvas2DLayerBridge : public Canvas2DLayerBridge {
	public:
	FakeCanvas2DLayerBridge(PassRefPtr<GraphicsContext3D> context, PassRefPtr<SkDeferredCanvas> canvas)
	: Canvas2DLayerBridge(context, canvas, NonOpaque)
	, m_freeableBytes(0)
	, m_freeMemoryIfPossibleCount(0)
	, m_flushCount(0)
	{
	}

	virtual size_t storageAllocatedForRecording() OVERRIDE
	{
	// Because the fake layer has no canvas to query, just
	// return status quo. Allocation changes that would normally be
	// initiated by the canvas can be faked by invoking
	// storageAllocatedForRecordingChanged directly from the test code.
	return m_bytesAllocated;
	}

	void fakeFreeableBytes(size_t size)
	{
	m_freeableBytes = size;
	}

	virtual size_t freeMemoryIfPossible(size_t size) OVERRIDE
	{
	m_freeMemoryIfPossibleCount++;
	size_t bytesFreed = size < m_freeableBytes ? size : m_freeableBytes;
	m_freeableBytes -= bytesFreed;
	if (bytesFreed)
	Canvas2DLayerManager::get().layerAllocatedStorageChanged(this, -((intptr_t)bytesFreed));
	m_bytesAllocated -= bytesFreed;
	return bytesFreed;
	}

	virtual void flush() OVERRIDE
	{
	flushedDrawCommands();
	m_flushCount++;
	}

	public:
	size_t m_freeableBytes;
	int m_freeMemoryIfPossibleCount;
	int m_flushCount;
	};

	static PassRefPtr<SkDeferredCanvas> createCanvas(GraphicsContext3D* context)
	{
	return adoptRef(SkDeferredCanvas::Create(SkSurface::NewRasterPMColor(1, 1)));
	}

	FakeCanvas2DLayerBridge* fake(const Canvas2DLayerBridgePtr& layer)
	{
	return static_cast<FakeCanvas2DLayerBridge*>(layer.get());
	}

	class Canvas2DLayerManagerTest : public Test {
	protected:
	void storageAllocationTrackingTest()
	{
	Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
	manager.init(10, 10);
	{
	RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
	RefPtr<SkDeferredCanvas> canvas1(createCanvas(context.get()));
	Canvas2DLayerBridgePtr layer1(adoptRef(new FakeCanvas2DLayerBridge(context, canvas1.release())));
	EXPECT_EQ((size_t)0, manager.m_bytesAllocated);
	layer1->storageAllocatedForRecordingChanged(1);
	EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
	// Test allocation increase
	layer1->storageAllocatedForRecordingChanged(2);
	EXPECT_EQ((size_t)2, manager.m_bytesAllocated);
	// Test allocation decrease
	layer1->storageAllocatedForRecordingChanged(1);
	EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
	{
	RefPtr<SkDeferredCanvas> canvas2(createCanvas(context.get()));
	Canvas2DLayerBridgePtr layer2(adoptRef(new FakeCanvas2DLayerBridge(context, canvas2.release())));
	EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
	// verify multi-layer allocation tracking
	layer2->storageAllocatedForRecordingChanged(2);
	EXPECT_EQ((size_t)3, manager.m_bytesAllocated);
	}
	// Verify tracking after destruction
	EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
	}
	}

	void evictionTest()
	{
	RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
	Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
	manager.init(10, 5);
	RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
	Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
	fake(layer)->fakeFreeableBytes(10);
	layer->storageAllocatedForRecordingChanged(8); // under the max
	EXPECT_EQ(0, fake(layer)->m_freeMemoryIfPossibleCount);
	layer->storageAllocatedForRecordingChanged(12); // over the max
	EXPECT_EQ(1, fake(layer)->m_freeMemoryIfPossibleCount);
	EXPECT_EQ((size_t)3, fake(layer)->m_freeableBytes);
	EXPECT_EQ(0, fake(layer)->m_flushCount); // eviction succeeded without triggering a flush
	EXPECT_EQ((size_t)5, layer->bytesAllocated());
	}

	void flushEvictionTest()
	{
	RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
	Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
	manager.init(10, 5);
	RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
	Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
	fake(layer)->fakeFreeableBytes(1); // Not enough freeable bytes, will cause aggressive eviction by flushing
	layer->storageAllocatedForRecordingChanged(8); // under the max
	EXPECT_EQ(0, fake(layer)->m_freeMemoryIfPossibleCount);
	layer->storageAllocatedForRecordingChanged(12); // over the max
	EXPECT_EQ(2, fake(layer)->m_freeMemoryIfPossibleCount); // Two tries, one before flush, one after flush
	EXPECT_EQ((size_t)0, fake(layer)->m_freeableBytes);
	EXPECT_EQ(1, fake(layer)->m_flushCount); // flush was attempted
	EXPECT_EQ((size_t)11, layer->bytesAllocated()); // flush drops the layer from manager's tracking list
	EXPECT_FALSE(manager.isInList(layer.get()));
	}

	void doDeferredFrameTestTask(FakeCanvas2DLayerBridge* layer, bool skipCommands)
	{
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	layer->contextAcquired();
	layer->storageAllocatedForRecordingChanged(1);
	EXPECT_TRUE(Canvas2DLayerManager::get().m_taskObserverActive);
	if (skipCommands) {
	layer->contextAcquired();
	layer->storageAllocatedForRecordingChanged(0);
	layer->skippedPendingDrawCommands();
	}
	WebKit::Platform::current()->currentThread()->exitRunLoop();
	}

	class DeferredFrameTestTask : public WebKit::WebThread::Task {
	public:
	DeferredFrameTestTask(Canvas2DLayerManagerTest* test, FakeCanvas2DLayerBridge* layer, bool skipCommands)
	{
	m_test = test;
	m_layer = layer;
	m_skipCommands = skipCommands;
	}

	virtual void run() OVERRIDE
	{
	m_test->doDeferredFrameTestTask(m_layer, m_skipCommands);
	}
	private:
	Canvas2DLayerManagerTest* m_test;
	FakeCanvas2DLayerBridge* m_layer;
	bool m_skipCommands;
	};

	void deferredFrameTest()
	{
	RefPtr<GraphicsContext3D> context = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new WebKit::FakeWebGraphicsContext3D));
	Canvas2DLayerManager::get().init(10, 10);
	RefPtr<SkDeferredCanvas> canvas(createCanvas(context.get()));
	Canvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(context, canvas.release())));
	WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
	WebKit::Platform::current()->currentThread()->enterRunLoop();
	// Verify that didProcessTask was called upon completion
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	// Verify that no flush was performed because frame is fresh
	EXPECT_EQ(0, fake(layer)->m_flushCount);

	// Verify that no flushes are triggered as long as frame are fresh
	WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
	WebKit::Platform::current()->currentThread()->enterRunLoop();
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	EXPECT_EQ(0, fake(layer)->m_flushCount);

	WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), true));
	WebKit::Platform::current()->currentThread()->enterRunLoop();
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	EXPECT_EQ(0, fake(layer)->m_flushCount);

	// Verify that a flush is triggered when queue is accumulating a multi-frame backlog.
	WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), false));
	WebKit::Platform::current()->currentThread()->enterRunLoop();
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	EXPECT_EQ(1, fake(layer)->m_flushCount);

	WebKit::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, fake(layer), false));
	WebKit::Platform::current()->currentThread()->enterRunLoop();
	EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
	EXPECT_EQ(2, fake(layer)->m_flushCount);
	}
	};

	namespace {

	TEST_F(Canvas2DLayerManagerTest, testStorageAllocationTracking)
	{
	storageAllocationTrackingTest();
	}

	TEST_F(Canvas2DLayerManagerTest, testEviction)
	{
	evictionTest();
	}

	TEST_F(Canvas2DLayerManagerTest, testFlushEviction)
	{
	flushEvictionTest();
	}

	TEST_F(Canvas2DLayerManagerTest, testDeferredFrame)
	{
	deferredFrameTest();
	}

	} // namespace