The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_while_idle.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,38 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 + * http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +function runTests() {
     1.8 +  let crashObserver = bgAddCrashObserver();
     1.9 +
    1.10 +  // make a good capture first - this ensures we have the <browser>
    1.11 +  let goodUrl = bgTestPageURL();
    1.12 +  yield bgCapture(goodUrl);
    1.13 +  ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture");
    1.14 +  removeThumbnail(goodUrl);
    1.15 +
    1.16 +  // inject our content script.
    1.17 +  let mm = bgInjectCrashContentScript();
    1.18 +
    1.19 +  // the observer for the crashing process is basically async, so it's hard
    1.20 +  // to know when the <browser> has actually seen it.  Easist is to just add
    1.21 +  // our own observer.
    1.22 +  Services.obs.addObserver(function onCrash() {
    1.23 +    Services.obs.removeObserver(onCrash, "oop-frameloader-crashed");
    1.24 +    // spin the event loop to ensure the BPT observer was called.
    1.25 +    executeSoon(function() {
    1.26 +      // Now queue another capture and ensure it recovers.
    1.27 +      bgCapture(goodUrl, { onDone: () => {
    1.28 +        ok(thumbnailExists(goodUrl), "We should have recovered and handled new capture requests");
    1.29 +        removeThumbnail(goodUrl);
    1.30 +        // Test done.
    1.31 +        ok(crashObserver.crashed, "Saw a crash from this test");
    1.32 +        next();
    1.33 +      }});
    1.34 +    });
    1.35 +  } , "oop-frameloader-crashed", false);
    1.36 +
    1.37 +  // Nothing is pending - crash the process.
    1.38 +  info("Crashing the thumbnail content process.");
    1.39 +  mm.sendAsyncMessage("thumbnails-test:crash");
    1.40 +  yield true;
    1.41 +}