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Issue 2570613002:
Add OffscreenCanvas to ImageBitmapSource union typedef (Closed)
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| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <script src="../../resources/testharness.js"></script> | |
| 3 <script src="../../resources/testharnessreport.js"></script> | |
| 4 <script> | |
| 5 | |
| 6 function verifyOffscreenCanvasTaintedThenDone(offscreen, t) { | |
| 7 assert_throws("SecurityError", function() { | |
| 8 offscreen.getContext("2d").getImageData(0, 0, 1, 1); | |
| 9 }, "Check getImageData blocked."); | |
| 10 offscreen.convertToBlob().then( | |
| 11 function() { | |
| 12 assert_unreached("Promise returned by convertToBlob was resolved."); | |
| 13 t.done(); | |
| 14 }, | |
| 15 rejectionValue => { | |
| 16 assert_equals(rejectionValue.name, "SecurityError"); | |
| 17 t.done(); | |
| 18 } | |
| 19 ); | |
| 20 } | |
| 21 | |
| 22 async_test(t => { | |
| 23 var image = new Image(); | |
| 24 // Notice that we don't set the image.crossOrigin property. | |
| 25 image.src = "http://localhost:8000/security/resources/abe-allow-star.php"; | |
| 26 image.onload = function() { | |
| 27 var offscreen = new OffscreenCanvas(10, 10); | |
| 28 var ctx = offscreen.getContext('2d'); | |
| 29 ctx.drawImage(image, 0, 0); | |
| 30 t.step(function() { | |
| 31 verifyOffscreenCanvasTaintedThenDone(offscreen, t); | |
| 32 }); | |
| 33 } | |
| 34 }, "Verify that an OffscreenCanvas tainted with cross-origin content cannot be r ead."); | |
| 35 | |
| 36 async_test(t => { | |
| 37 var image = new Image(); | |
| 38 // Notice that we don't set the image.crossOrigin property. | |
| 39 image.src = "http://localhost:8000/security/resources/abe-allow-star.php"; | |
| 40 image.onload = function() { | |
| 41 var offscreen = new OffscreenCanvas(10, 10); | |
| 42 var ctx = offscreen.getContext('2d'); | |
| 43 ctx.drawImage(image, 0, 0); | |
| 44 createImageBitmap(offscreen).then(imageBitmap => { | |
| 45 var offscreen2 = new OffscreenCanvas(10, 10); | |
| 46 var ctx2 = offscreen2.getContext('2d'); | |
| 47 ctx2.drawImage(imageBitmap, 0, 0); | |
| 48 t.step(function() { | |
| 49 verifyOffscreenCanvasTaintedThenDone(offscreen, t); | |
| 50 }); | |
| 51 }) | |
| 52 } | |
| 53 }, "Verify that createImageBitmap(OffscreenCanvas) propagates th origin-clean fl ag."); | |
|
Stephen White
2016/12/12 19:55:46
Nit: th -> the
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| 54 | |
| 55 | |
| 56 | |
| 57 | |
| 58 | |
| 59 </script> | |
| OLD | NEW |
