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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 // Waits for a message in the isolated world, posts its string representation |
| 6 // back to the main world, and resolves the promise with it. Not durable to |
| 7 // multiple such messages being in-flight at once. |
| 8 function awaitMessageInIsolatedWorld() { |
| 9 testRunner.evaluateScriptInIsolatedWorld(1, |
| 10 `window.addEventListener('message', function listener({ data: { origin, da
ta }}) { |
| 11 if (origin == 'main') { |
| 12 window.postMessage({ origin: 'isolated', data: data.toString() }, '*')
; |
| 13 window.removeEventListener('message', listener); |
| 14 } |
| 15 });`); |
| 16 |
| 17 return new Promise((resolve, reject) => { |
| 18 window.addEventListener('message', function listener({ data: { origin, data
}}) { |
| 19 if (origin == 'isolated') { |
| 20 resolve(data); |
| 21 window.removeEventListener('message', listener); |
| 22 } |
| 23 }); |
| 24 }); |
| 25 } |
| 26 |
| 27 // Like awaitMessageInIsolatedWorld, but listens in the main world. |
| 28 function awaitMessageInMainWorld() { |
| 29 return new Promise((resolve, reject) => { |
| 30 window.addEventListener('message', function listener({ data: { origin, data
}}) { |
| 31 if (origin == 'main') { |
| 32 resolve(data.toString()); |
| 33 window.removeEventListener('message', listener); |
| 34 } |
| 35 }); |
| 36 }); |
| 37 } |
| 38 |
| 39 promise_test(async () => { |
| 40 let mainPromise = awaitMessageInMainWorld(); |
| 41 let isolatedPromise = awaitMessageInIsolatedWorld(); |
| 42 |
| 43 let typedArray = new Uint8Array([1, 2, 3, 4]); |
| 44 let typedArrayAsString = typedArray.toString(); |
| 45 window.postMessage({ origin: 'main', data: typedArray }, '*', [typedArray.buff
er]); |
| 46 |
| 47 assert_equals(await mainPromise, typedArrayAsString); |
| 48 assert_equals(await isolatedPromise, typedArrayAsString); |
| 49 }, "Transferred array buffers can be read from messages in multiple worlds."); |
| 50 |
| 51 promise_test(async () => { |
| 52 let mainPromise = awaitMessageInMainWorld(); |
| 53 let isolatedPromise = awaitMessageInIsolatedWorld(); |
| 54 |
| 55 let imageBitmap = await createImageBitmap(new ImageData(2, 2)); |
| 56 let imageBitmapAsString = imageBitmap.toString(); |
| 57 window.postMessage({ origin: 'main', data: imageBitmap }, '*', [imageBitmap]); |
| 58 |
| 59 assert_equals(await mainPromise, imageBitmapAsString); |
| 60 assert_equals(await isolatedPromise, imageBitmapAsString); |
| 61 }, "Transferred image bitmaps can be read from messages in multiple worlds."); |
| 62 </script> |
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Chromium Code Reviews
Issue 2878053002:
Keep materialized ArrayBuffer and ImageBitmap objects in SerializedScriptValue. (Closed)
