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1 Test OffscreenCanvas transferable with exception cases. | 1 Test OffscreenCanvas transferable with exception cases. |
2 | 2 |
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
". | 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
". |
4 | 4 |
5 | 5 |
6 PASS ctx = offscreenCanvas1.getContext('2d') did not throw exception. | 6 PASS ctx = offscreenCanvas1.getContext('2d') did not throw exception. |
7 PASS ctx is an instance of OffscreenCanvasRenderingContext2D | 7 PASS ctx is an instance of OffscreenCanvasRenderingContext2D |
8 PASS worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1]) threw exce
ption DataCloneError: Failed to execute 'postMessage' on 'Worker': An OffscreenC
anvas with a context could not be cloned.. | 8 PASS worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1]) threw exce
ption DataCloneError: Failed to execute 'postMessage' on 'Worker': An OffscreenC
anvas with a context could not be cloned.. |
9 PASS offscreenCanvas2.transferToImageBitmap() threw exception InvalidStateError:
Failed to execute 'transferToImageBitmap' on 'OffscreenCanvas': Cannot transfer
an ImageBitmap from a detached OffscreenCanvas. | 9 PASS offscreenCanvas2.transferToImageBitmap() threw exception InvalidStateError:
Failed to execute 'transferToImageBitmap' on 'OffscreenCanvas': Cannot transfer
an ImageBitmap from a detached OffscreenCanvas. |
10 PASS worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2]) threw exce
ption DataCloneError: Failed to execute 'postMessage' on 'Worker': An OffscreenC
anvas is detached and could not be cloned.. | 10 PASS worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2]) threw exce
ption DataCloneError: Failed to execute 'postMessage' on 'Worker': An OffscreenC
anvas is detached and could not be cloned.. |
11 PASS offscreenCanvas2.getContext('2d') threw exception InvalidStateError: Failed
to execute 'getContext' on 'OffscreenCanvas': OffscreenCanvas object is detache
d. | 11 PASS offscreenCanvas2.getContext('2d') threw exception InvalidStateError: Failed
to execute 'getContext' on 'OffscreenCanvas': OffscreenCanvas object is detache
d. |
| 12 PASS ctx.drawImage(offscreenCanvas2, 0, 0) threw exception InvalidStateError: Fa
iled to execute 'drawImage' on 'OffscreenCanvasRenderingContext2D': The image so
urce is detached. |
12 PASS successfullyParsed is true | 13 PASS successfullyParsed is true |
13 | 14 |
14 TEST COMPLETE | 15 TEST COMPLETE |
15 | 16 |
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