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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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