third_party/WebKit/LayoutTests/http/tests/security/offscreen-canvas-read-blocked-by-setting.html - Issue 2171563002: Add WorkerSettings to expose certain flag values in WorkerGlobalScope

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Side by Side Diff: third_party/WebKit/LayoutTests/http/tests/security/offscreen-canvas-read-blocked-by-setting.html

Issue 2171563002: Add WorkerSettings to expose certain flag values in WorkerGlobalScope (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Worker test Created 4 years, 5 months ago

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	1 <!DOCTYPE html>

	2 <title>Block reading offscreen canvas via StrictCanvasTainting setting</title>

	3 <script src="/resources/testharness.js"></script>

	4 <script src="/resources/testharnessreport.js"></script>

	5 <script>

	6 if (window.testRunner)

	7 testRunner.overridePreference("WebKitDisableReadingFromCanvas", true);

	8

	9 var image = new Image();

	10 var offCanvas = new OffscreenCanvas(100, 100);

	11 var context = offCanvas.getContext('2d');

	12

	13 test(function () {

	14 assert_throws(

	15 "SecurityError",

	16 function() {

	17 var imageData = context.getImageData(0, 0, 100, 100);
	Justin Novosad 2016/07/21 17:27:38 should also test toDataURL and toBlob should also test toDataURL and toBlob xlai (Olivia) 2016/07/21 17:56:49 But toDataURL and toBlob have not been implemented Show quoted text On 2016/07/21 17:27:38, Justin Novosad wrote: > should also test toDataURL and toBlob But toDataURL and toBlob have not been implemented in OffscreenCanvas yet.
	18 assert_unreached('getImageData should throw');

	19 });

	20 }, 'getImageData');

	21

	22 test(function () {

	23 assert_throws(

	24 "SecurityError",

	25 function() {

	26 context.drawImage(image, 0, 0, 100, 100);

	27 var imageData = context.getImageData(0, 0, 100, 100);

	28 assert_unreached('getImageData should throw');

	29 });

	30 }, 'getImageData');

	31

	32 </script>

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