dom/tests/mochitest/bugs/worker_bug743615.js@97036ab72558 (annotated)
dom/tests/mochitest/bugs/worker_bug743615.js
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | importScripts('utils_bug743615.js'); |
| michael@0 | 2 | |
| michael@0 | 3 | self.onmessage = function onMessage(evt) { |
| michael@0 | 4 | // Check the pattern that was sent. |
| michael@0 | 5 | var imageData = evt.data.imageData; |
| michael@0 | 6 | var pattern = evt.data.pattern; |
| michael@0 | 7 | var statusMessage = checkPattern(imageData, pattern) |
| michael@0 | 8 | ? 'PASS' : 'Got corrupt typed array in worker'; |
| michael@0 | 9 | |
| michael@0 | 10 | // Check against the interface object. |
| michael@0 | 11 | if (!(imageData instanceof ImageData)) |
| michael@0 | 12 | statusMessage += ", Bad interface object in worker"; |
| michael@0 | 13 | |
| michael@0 | 14 | // Check the getters. |
| michael@0 | 15 | if (imageData.width * imageData.height != imageData.data.length / 4) { |
| michael@0 | 16 | statusMessage += ", Bad ImageData getters in worker: " |
| michael@0 | 17 | statusMessage += [imageData.width, imageData.height].join(', '); |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | // Make sure that writing to .data is a no-op when not in strict mode. |
| michael@0 | 21 | var origData = imageData.data; |
| michael@0 | 22 | var threw = false; |
| michael@0 | 23 | try { |
| michael@0 | 24 | imageData.data = []; |
| michael@0 | 25 | imageData.width = 2; |
| michael@0 | 26 | imageData.height = 2; |
| michael@0 | 27 | } catch(e) { threw = true; } |
| michael@0 | 28 | if (threw || imageData.data !== origData) |
| michael@0 | 29 | statusMessage = statusMessage + ", Should silently ignore sets"; |
| michael@0 | 30 | |
| michael@0 | 31 | |
| michael@0 | 32 | |
| michael@0 | 33 | // Send back a new pattern. |
| michael@0 | 34 | pattern = makePattern(imageData.data.length, 99, 2); |
| michael@0 | 35 | setPattern(imageData, pattern); |
| michael@0 | 36 | self.postMessage({ statusMessage: statusMessage, imageData: imageData, |
| michael@0 | 37 | pattern: pattern }); |
| michael@0 | 38 | } |
