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Issue 1862033002:
Make OffscreenCanvas Transferable (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html |
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..65ee12b83f328696d74ecb77dfae754d0aa185e5 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferable.html |
| @@ -0,0 +1,53 @@ |
| +<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| +<html> |
| +<head> |
| +<script src="../../resources/js-test.js"></script> |
| +</head> |
| +<body> |
| +<script> |
| + |
| +description("Test OffscreenCanvas transferable."); |
| +window.jsTestIsAsync = true; |
| + |
| +var worker = new Worker('./resources/OffscreenCanvas-transferable.js'); |
| + |
| +var width = 50; |
| +var height = 50; |
| +var canvas = document.createElement("canvas"); |
| +canvas.width = width; |
| +canvas.height = height; |
| +var newOffscreenCanvas; |
| + |
| +var offscreenCanvas = canvas.transferControlToOffscreen(); |
| +shouldBe("offscreenCanvas.width", "width"); |
| +shouldBe("offscreenCanvas.height", "height"); |
| + |
| +worker.postMessage({data: offscreenCanvas}, [offscreenCanvas]); |
| +shouldBe("offscreenCanvas.width", "0"); |
| +shouldBe("offscreenCanvas.height", "0"); |
| + |
| +try { |
| + worker.postMessage({data: offscreenCanvas}, [offscreenCanvas]); |
| + testFailed("Transfer a neutered offscreenCanvas succeed, expected to fail"); |
| +} catch(e) { |
| + testPassed("Transfer a neutered offscreenCanvas should throw an exception: " + e); |
| +} |
| + |
| +worker.onmessage = function(e) { |
| + newOffscreenCanvas = e.data.data; |
| + shouldBe("newOffscreenCanvas.width", "width"); |
| + shouldBe("newOffscreenCanvas.height", "height"); |
| + var ctx; |
| + shouldNotThrow("ctx = newOffscreenCanvas.getContext('2d')"); |
| + shouldBeType("ctx", "OffscreenCanvasRenderingContext2D"); |
| + try { |
| + worker.postMessage({data: newOffscreenCanvas}, [newOffscreenCanvas]); |
|
Justin Novosad
2016/04/12 18:10:23
This test nested in a test is hard to follow. I d
xidachen
2016/04/12 19:35:14
Good point. The postMessage is not appropriate her
|
| + testFailed("Transfer an offscreenCanvas with a context succeed, expected to fail"); |
| + } catch(e) { |
| + testPassed("Transfer an offscreenCanvas with a context should throw an exception: " + e); |
| + } |
| + finishJSTest(); |
| +} |
| +</script> |
| +</body> |
| +</html> |
