toolkit/components/thumbnails/test/browser_thumbnails_bg_timeout.js


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/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

function* runTests() {
  let url = bgTestPageURL({ wait: 30000 });
  ok(!thumbnailExists(url), "Thumbnail should not be cached already.");
  let numCalls = 0;
  BackgroundPageThumbs.capture(url, {
    timeout: 0,
    onDone: function onDone(capturedURL) {
      is(capturedURL, url, "Captured URL should be URL passed to capture");
      is(numCalls++, 0, "onDone should be called only once");
      ok(!thumbnailExists(url),
         "Capture timed out so thumbnail should not be cached");
      next();
    },
  });
  yield new Promise(resolve => {
    bgAddPageThumbObserver(url).catch(function(err) {
      ok(true, `page-thumbnail error thrown for ${url}`);
      resolve();
    });
  });
}