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_no_duplicates.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,31 @@
     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 url = "http://example.com/1";
     1.9 +  ok(!thumbnailExists(url), "Thumbnail file should not already exist.");
    1.10 +  let numCallbacks = 0;
    1.11 +  let doneCallback = function(doneUrl) {
    1.12 +    is(doneUrl, url, "called back with correct url");
    1.13 +    numCallbacks += 1;
    1.14 +    // We will delete the file after the first callback, then check it
    1.15 +    // still doesn't exist on the second callback, which should give us
    1.16 +    // confidence that we didn't end up with 2 different captures happening
    1.17 +    // for the same url...
    1.18 +    if (numCallbacks == 1) {
    1.19 +      ok(thumbnailExists(url), "Thumbnail file should now exist.");
    1.20 +      removeThumbnail(url);
    1.21 +      return;
    1.22 +    }
    1.23 +    if (numCallbacks == 2) {
    1.24 +      ok(!thumbnailExists(url), "Thumbnail file should still be deleted.");
    1.25 +      // and that's all we expect, so we are done...
    1.26 +      next();
    1.27 +      return;
    1.28 +    }
    1.29 +    ok(false, "only expecting 2 callbacks");
    1.30 +  }
    1.31 +  BackgroundPageThumbs.capture(url, {onDone: doneCallback});
    1.32 +  BackgroundPageThumbs.capture(url, {onDone: doneCallback});
    1.33 +  yield true;
    1.34 +}