The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/publicdomain/zero/1.0/ */

 function runTests() {

   let crashObserver = bgAddCrashObserver();

   // make a good capture first - this ensures we have the <browser>

   let goodUrl = bgTestPageURL();

   yield bgCapture(goodUrl);

   ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture");

   removeThumbnail(goodUrl);

   // inject our content script.

   let mm = bgInjectCrashContentScript();

   // the observer for the crashing process is basically async, so it's hard

   // to know when the <browser> has actually seen it.  Easist is to just add

   // our own observer.

   Services.obs.addObserver(function onCrash() {

     Services.obs.removeObserver(onCrash, "oop-frameloader-crashed");

     // spin the event loop to ensure the BPT observer was called.

     executeSoon(function() {

       // Now queue another capture and ensure it recovers.

       bgCapture(goodUrl, { onDone: () => {

         ok(thumbnailExists(goodUrl), "We should have recovered and handled new capture requests");

         removeThumbnail(goodUrl);

         // Test done.

         ok(crashObserver.crashed, "Saw a crash from this test");

         next();

       }});

     });

   } , "oop-frameloader-crashed", false);

   // Nothing is pending - crash the process.

   info("Crashing the thumbnail content process.");

   mm.sendAsyncMessage("thumbnails-test:crash");

   yield true;

 }