| <!DOCTYPE html> |
| <script src="../../resources/js-test-pre.js"></script> |
| <body> |
| <script> |
| var image = new Image; |
| |
| description('Test HTMLImageElement::decode() does not leak the pending promises after resolving or rejecting them.'); |
| jsTestIsAsync = true; |
| |
| function decodeMultiple(image, multipleCount) { |
| var promises = []; |
| for (index = 0; index < multipleCount; ++index) |
| promises.push(image.decode()); |
| return promises; |
| } |
| |
| function resolveSingle(image, singleCount) { |
| if (!singleCount) |
| return Promise.resolve(); |
| return image.decode().then(() => { |
| return resolveSingle(image, singleCount - 1); |
| }); |
| } |
| |
| function rejectSingle(image, singleCount) { |
| if (!singleCount) |
| return Promise.reject(); |
| return image.decode().catch(() => { |
| return rejectSingle(image, singleCount - 1); |
| }); |
| } |
| |
| function decodeBitmapImage(image, multipleCount, singleCount) { |
| debug("Decoding a bitmap image - promises will be resolved:"); |
| image.src = "resources/red-400x400.png"; |
| return Promise.all(decodeMultiple(image, multipleCount)).then(() => { |
| return resolveSingle(image, singleCount); |
| }); |
| } |
| |
| function decodeSVGImage(image, multipleCount, singleCount) { |
| debug("Decoding a SVG image - promises will be resolved:"); |
| image.src = "resources/green-100x100.svg"; |
| return Promise.all(decodeMultiple(image, multipleCount)).then(() => { |
| return resolveSingle(image, singleCount); |
| }); |
| } |
| |
| function decodeBrokenImage(image, multipleCount, singleCount) { |
| debug("Decoding a broken image - promises will be rejected:"); |
| image.src = ""; |
| return Promise.all(decodeMultiple(image, multipleCount)).catch(() => { |
| return rejectSingle(image, singleCount); |
| }); |
| } |
| |
| (function() { |
| decodeBitmapImage(image, 10, 10).then(() => { |
| if (window.internals) |
| shouldBeZero("internals.imagePendingDecodePromisesCountForTesting(image)"); |
| return decodeSVGImage(image, 10, 10); |
| }).then(() => { |
| if (window.internals) |
| shouldBeZero("internals.imagePendingDecodePromisesCountForTesting(image)"); |
| return decodeBrokenImage(image, 10, 10); |
| }).catch(() => { |
| if (window.internals) |
| shouldBeZero("internals.imagePendingDecodePromisesCountForTesting(image)"); |
| finishJSTest(); |
| }); |
| })(); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
