| OLD | NEW |
| 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <script src="../../resources/js-test.js"></script> | 4 <script src="../../resources/js-test.js"></script> |
| 5 </head> | 5 </head> |
| 6 <body> | 6 <body> |
| 7 <script> | 7 <script> |
| 8 | 8 |
| 9 description("Test OffscreenCanvas transferable with exception cases."); | 9 description("Test OffscreenCanvas transferable with exception cases."); |
| 10 | 10 |
| 11 var worker = new Worker('./resources/OffscreenCanvas-transferable.js'); | 11 var worker = new Worker('./resources/OffscreenCanvas-transferable.js'); |
| 12 | 12 |
| 13 var width = 50; | 13 var width = 50; |
| 14 var height = 50; | 14 var height = 50; |
| 15 var offscreenCanvas1 = new OffscreenCanvas(width, height); | 15 var offscreenCanvas1 = new OffscreenCanvas(width, height); |
| 16 | 16 |
| 17 var ctx; | 17 var ctx; |
| 18 shouldNotThrow("ctx = offscreenCanvas1.getContext('2d')"); | 18 shouldNotThrow("ctx = offscreenCanvas1.getContext('2d')"); |
| 19 shouldBeType("ctx", "OffscreenCanvasRenderingContext2D"); | 19 shouldBeType("ctx", "OffscreenCanvasRenderingContext2D"); |
| 20 shouldThrow("worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1])"); | 20 shouldThrow("worker.postMessage({data: offscreenCanvas1}, [offscreenCanvas1])"); |
| 21 | 21 |
| 22 var offscreenCanvas2 = new OffscreenCanvas(width, height); | 22 var offscreenCanvas2 = new OffscreenCanvas(width, height); |
| 23 worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2]); | 23 worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2]); |
| 24 shouldThrow("offscreenCanvas2.transferToImageBitmap()"); | 24 shouldThrow("offscreenCanvas2.transferToImageBitmap()"); |
| 25 | 25 |
| 26 shouldThrow("worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2])"); | 26 shouldThrow("worker.postMessage({data: offscreenCanvas2}, [offscreenCanvas2])"); |
| 27 shouldThrow("offscreenCanvas2.getContext('2d')"); | 27 shouldThrow("offscreenCanvas2.getContext('2d')"); |
| 28 | 28 |
| 29 // using a transferred OffscreenCanvas as a source image throws. |
| 30 shouldThrow("ctx.drawImage(offscreenCanvas2, 0, 0)"); |
| 31 |
| 29 finishJSTest(); | 32 finishJSTest(); |
| 30 </script> | 33 </script> |
| 31 </body> | 34 </body> |
| 32 </html> | 35 </html> |
| OLD | NEW |