third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html - Issue 1881563003: Implement OffscreenCanvas.getContext('webgl')

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html

Issue 1881563003: Implement OffscreenCanvas.getContext('webgl') (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase and remove static_cast Created 4 years, 7 months ago

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1 <!DOCTYPE html>

2 <html>

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

4 <body>

5 <script id="myWorker" type="text/worker">

6 self.onmessage = function(e) {

7 var aCanvas = new OffscreenCanvas(50, 50);

8 try {

9 var ctx = aCanvas.getContext('2d');

10 if (toString.call(ctx) != '[object OffscreenCanvasRenderingContext2D]') {

11 self.postMessage("aCanvas.getContext('2d') does not return [object Off screenCanvasRenderingContext2D]");

12 } else {

13 self.postMessage("success");

14 }

15 } catch (e) {

16 self.postMessage(e);

17 }

18 };

19 </script>

20

21 <script>

22 jsTestIsAsync = true;

23 description("Tests that the 2D context of OffscreenCanvas can be constructed on a worker thread.");

24

25 function makeWorker(script) {

26 var blob = new Blob([script]);

27 return new Worker(URL.createObjectURL(blob));

28 }

29

30 function handleMessageFromWorker(msg)

31 {

32 if (msg.data == "success") {

33 testPassed("getContext('2d') correctly returns [object OffscreenCanvasRe nderingContext2D].");

34 } else {

35 testFailed(msg.data);

36 }

37 finishJSTest();

38 }

39

40 var worker = makeWorker(document.getElementById('myWorker').textContent);

41 worker.addEventListener('message', handleMessageFromWorker);

42 worker.postMessage("");

43 </script>

44

45 </body>

46 </html>

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