The Tor Browser / file comparison
comparison: toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js
toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 function runTests() { | |
| 5 let crashObserver = bgAddCrashObserver(); | |
| 6 | |
| 7 // make a good capture first - this ensures we have the <browser> | |
| 8 let goodUrl = bgTestPageURL(); | |
| 9 yield bgCapture(goodUrl); | |
| 10 ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture"); | |
| 11 removeThumbnail(goodUrl); | |
| 12 | |
| 13 // inject our content script. | |
| 14 let mm = bgInjectCrashContentScript(); | |
| 15 | |
| 16 // the observer for the crashing process is basically async, so it's hard | |
| 17 // to know when the <browser> has actually seen it. Easist is to just add | |
| 18 // our own observer. | |
| 19 Services.obs.addObserver(function onCrash() { | |
| 20 Services.obs.removeObserver(onCrash, "oop-frameloader-crashed"); | |
| 21 // spin the event loop to ensure the BPT observer was called. | |
| 22 executeSoon(function() { | |
| 23 // Now queue another capture and ensure it recovers. | |
| 24 bgCapture(goodUrl, { onDone: () => { | |
| 25 ok(thumbnailExists(goodUrl), "We should have recovered and handled new capture requests"); | |
| 26 removeThumbnail(goodUrl); | |
| 27 // Test done. | |
| 28 ok(crashObserver.crashed, "Saw a crash from this test"); | |
| 29 next(); | |
| 30 }}); | |
| 31 }); | |
| 32 } , "oop-frameloader-crashed", false); | |
| 33 | |
| 34 // Nothing is pending - crash the process. | |
| 35 info("Crashing the thumbnail content process."); | |
| 36 mm.sendAsyncMessage("thumbnails-test:crash"); | |
| 37 yield true; | |
| 38 } |
