third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable-exceptions.html - Issue 1904973003: Revert of Make OffscreenCanvas Transferable

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Issue 1904973003: Revert of Make OffscreenCanvas Transferable (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: 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 offscreenCanvas1 = new OffscreenCanvas(width, height);

17

18 var ctx;

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

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

21 try {

22 worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1]);

23 testFailed("Transfer an offscreenCanvas with a context succeed, expected to fail");

24 } catch(e) {

25 testPassed("Transfer an offscreenCanvas with a context should throw an excep tion: " + e);

26 }

27

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

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

30 try {

31 var image = offscreenCanvas2.transferToImageBitmap();

32 testFailed("Calling transferToImageBitmap from a neutered offscreenCanvas su cceed, expected to fail");

33 } catch(e) {

34 testPassed("Calling transferToImageBitmap from a neutered offscreenCanvas sh ould throw an exception: " + e);

35 }

36

37 try {

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

39 testFailed("Transfer a neutered offscreenCanvas succeed, expected to fail");

40 } catch(e) {

41 testPassed("Transfer a neutered offscreenCanvas should throw an exception: " + e);

42 }

43

44 try {

45 var ctx = offscreenCanvas2.getContext('2d');

46 testFailed("Calling getContext('2d') from a neutered offscreenCanvas succeed , expected to fail");

47 } catch(e) {

48 testPassed("Calling getContext('2d') from a neutered offscreenCanvas should throw an exception: " + e);

49 }

50

51 finishJSTest();

52 </script>

53 </body>

54 </html>

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