third_party/WebKit/LayoutTests/http/tests/security/cross-origin-OffscreenCanvas2D-createPattern.html - Issue 1954533002: Implement wouldTaintOrigin and expose createPattern for OCRC2D on main thread

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Side by Side Diff: third_party/WebKit/LayoutTests/http/tests/security/cross-origin-OffscreenCanvas2D-createPattern.html

Issue 1954533002: Implement wouldTaintOrigin and expose createPattern for OCRC2D on main thread (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: OCRC2D pattern is working fine in GPU; remove Failure mark in TestExpectations Created 4 years, 7 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <body>

	4 <script src="/js-test-resources/js-test.js"></script>

	5 <script>

	6 description("The pattern created by OffscreenCanvas2D from cross-origin image mu st be tainted.");

	7

	8 function shouldBeTainted(pattern) {

	9 var canvas = document.createElement("canvas");

	10 canvas.width = 10;

	11 canvas.height = 10;

	12 var context = canvas.getContext("2d");

	13 // Setting tainted pattern as fillStyle on HTMLCanvas will taint the canvas.

	14 context.fillStyle = pattern;

	15 context.fillRect(0, 0, canvas.width, canvas.height);

	16 try {

	17 var imageData = context.getImageData(0, 0, 10, 10);

	18 testFailed("ImageBitmap is not tainted.");

	19 } catch (e) {

	20 testPassed("ImageBitmap is tainted. Threw error: " + e);

	21 }

	22 }

	23

	24 var image = document.createElement('img');

	25 image.src = 'http://localhost:8080/security/resources/abe.png';

	26 image.addEventListener('load', function() {

	27 var offscreenCanvas = new OffscreenCanvas(10, 10);

	28 var offscreenContext = offscreenCanvas.getContext("2d");

	29 var pat = offscreenContext.createPattern(image, "no-repeat");

	30 shouldBeTainted(pat);

	31 });

	32

	33 </script>

	34 </body>

	35 </html>

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