third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable-exceptions.html - Issue 1917733004: Reland of: Make OffscreenCanvas Transferable

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Issue 1917733004: Reland of: Make OffscreenCanvas Transferable (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address all comments Created 4 years, 7 months ago

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	1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

	2 <html>

	3 <head>

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

	5 </head>

	6 <body>

	7 <script>

	8

	9 description("Test OffscreenCanvas transferable with exception cases.");

	10

	11 var worker = new Worker('./resources/OffscreenCanvas-transferable.js');

	12

	13 var width = 50;

	14 var height = 50;

	15 var offscreenCanvas1 = new OffscreenCanvas(width, height);

	16

	17 var ctx;

	18 shouldNotThrow("ctx = offscreenCanvas1.getContext('2d')");

	19 shouldBeType("ctx", "OffscreenCanvasRenderingContext2D");

	20 shouldThrow("worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1])");

	21

	22 var offscreenCanvas2 = new OffscreenCanvas(width, height);

	23 worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2]);

	24 shouldThrow("offscreenCanvas2.transferToImageBitmap()");

	25

	26 shouldThrow("worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2])");

	27 shouldThrow("offscreenCanvas2.getContext('2d')");

	28

	29 finishJSTest();

	30 </script>

	31 </body>

	32 </html>

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