third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp - Issue 1414553002: Fix out-of-memory crashes related to ArrayBuffer allocation

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Issue 1414553002: Fix out-of-memory crashes related to ArrayBuffer allocation Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase+more tweaks Created 5 years, 1 month ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "config.h"	5 #include "config.h"

6 #include "modules/canvas2d/CanvasRenderingContext2D.h"	6 #include "modules/canvas2d/CanvasRenderingContext2D.h"

7	7

8 #include "core/frame/FrameView.h"	8 #include "core/frame/FrameView.h"

9 #include "core/frame/ImageBitmap.h"	9 #include "core/frame/ImageBitmap.h"

10 #include "core/html/HTMLCanvasElement.h"	10 #include "core/html/HTMLCanvasElement.h"

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134 void CanvasRenderingContext2DTest::SetUp()	134 void CanvasRenderingContext2DTest::SetUp()

135 {	135 {

136 Page::PageClients pageClients;	136 Page::PageClients pageClients;

137 fillWithEmptyClients(pageClients);	137 fillWithEmptyClients(pageClients);

138 m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600), &pageClients) ;	138 m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600), &pageClients) ;

139 m_document = toHTMLDocument(&m_dummyPageHolder->document());	139 m_document = toHTMLDocument(&m_dummyPageHolder->document());

140 m_document->documentElement()->setInnerHTML("<body><canvas id='c'></canvas>< /body>", ASSERT_NO_EXCEPTION);	140 m_document->documentElement()->setInnerHTML("<body><canvas id='c'></canvas>< /body>", ASSERT_NO_EXCEPTION);

141 m_document->view()->updateAllLifecyclePhases();	141 m_document->view()->updateAllLifecyclePhases();

142 m_canvasElement = toHTMLCanvasElement(m_document->getElementById("c"));	142 m_canvasElement = toHTMLCanvasElement(m_document->getElementById("c"));

143	143

144 m_fullImageData = ImageData::create(IntSize(10, 10));	144 NonThrowableExceptionState exceptionState;

145 m_partialImageData = ImageData::create(IntSize(2, 2));	145 m_fullImageData = ImageData::create(IntSize(10, 10), exceptionState);

	146 EXPECT_FALSE(exceptionState.hadException());

	147 m_partialImageData = ImageData::create(IntSize(2, 2), exceptionState);

	148 EXPECT_FALSE(exceptionState.hadException());

146	149

147 NonThrowableExceptionState exceptionState;

148 CanvasGradient* opaqueGradient = CanvasGradient::create(FloatPoint(0, 0), Fl oatPoint(10, 0));	150 CanvasGradient* opaqueGradient = CanvasGradient::create(FloatPoint(0, 0), Fl oatPoint(10, 0));

149 opaqueGradient->addColorStop(0, String("green"), exceptionState);	151 opaqueGradient->addColorStop(0, String("green"), exceptionState);

150 EXPECT_FALSE(exceptionState.hadException());	152 EXPECT_FALSE(exceptionState.hadException());

151 opaqueGradient->addColorStop(1, String("blue"), exceptionState);	153 opaqueGradient->addColorStop(1, String("blue"), exceptionState);

152 EXPECT_FALSE(exceptionState.hadException());	154 EXPECT_FALSE(exceptionState.hadException());

153 this->opaqueGradient().setCanvasGradient(opaqueGradient);	155 this->opaqueGradient().setCanvasGradient(opaqueGradient);

154	156

155 CanvasGradient* alphaGradient = CanvasGradient::create(FloatPoint(0, 0), Flo atPoint(10, 0));	157 CanvasGradient* alphaGradient = CanvasGradient::create(FloatPoint(0, 0), Flo atPoint(10, 0));

156 alphaGradient->addColorStop(0, String("green"), exceptionState);	158 alphaGradient->addColorStop(0, String("green"), exceptionState);

157 EXPECT_FALSE(exceptionState.hadException());	159 EXPECT_FALSE(exceptionState.hadException());

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585	587

586 context2d()->fillRect(0, 0, 1, 1); // To have a non-empty dirty rect	588 context2d()->fillRect(0, 0, 1, 1); // To have a non-empty dirty rect

587 for (int i = 0; i < ExpensiveCanvasHeuristicParameters::ExpensiveRecordingSt ackDepth; ++i) {	589 for (int i = 0; i < ExpensiveCanvasHeuristicParameters::ExpensiveRecordingSt ackDepth; ++i) {

588 context2d()->save();	590 context2d()->save();

589 context2d()->translate(1.0f, 0.0f);	591 context2d()->translate(1.0f, 0.0f);

590 }	592 }

591 canvasElement().doDeferredPaintInvalidation(); // To close the current frame	593 canvasElement().doDeferredPaintInvalidation(); // To close the current frame

592 }	594 }

593	595

594 } // namespace blink	596 } // namespace blink

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