third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html - Issue 1862033002: Make OffscreenCanvas Transferable

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html

Issue 1862033002: Make OffscreenCanvas Transferable (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: no need to register, taking the same approach as extractTransferables Created 4 years, 8 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 window.jsTestIsAsync = true;

	11

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

	13

	14 var width = 50;

	15 var height = 50;

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

	17 canvas.width = width;

	18 canvas.height = height;

	19 var newOffscreenCanvas;

	20

	21 var offscreenCanvas = canvas.transferControlToOffscreen();

	22 shouldBe("offscreenCanvas.width", "width");

	23 shouldBe("offscreenCanvas.height", "height");

	24

	25 worker.postMessage({data: offscreenCanvas}, [offscreenCanvas]);

	26 shouldBe("offscreenCanvas.width", "0");

	27 shouldBe("offscreenCanvas.height", "0");

	28

	29 worker.onmessage = function(e) {

	30 newOffscreenCanvas = e.data.data;

	31 shouldBe("newOffscreenCanvas.width", "width");

	32 shouldBe("newOffscreenCanvas.height", "height");

	33 finishJSTest();

	34 }

	35 </script>

	36 </body>

	37 </html>

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