The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

 // Tests a zero frecency is correctly updated when inserting new valid visits.

 function run_test()

 {

   run_next_test()

 }

 add_task(function ()

 {

   const TEST_URI = NetUtil.newURI("http://example.com/");

   let id = PlacesUtils.bookmarks.insertBookmark(PlacesUtils.unfiledBookmarksFolderId,

                                                 TEST_URI,

                                                 PlacesUtils.bookmarks.DEFAULT_INDEX,

                                                 "A title");

   yield promiseAsyncUpdates();

   do_check_true(frecencyForUrl(TEST_URI) > 0);

   // Removing the bookmark should leave an orphan page with zero frecency.

   // Note this would usually be expired later by expiration.

   PlacesUtils.bookmarks.removeItem(id);

   yield promiseAsyncUpdates();

   do_check_eq(frecencyForUrl(TEST_URI), 0);

   // Now add a valid visit to the page, frecency should increase.

   yield promiseAddVisits({ uri: TEST_URI });

   do_check_true(frecencyForUrl(TEST_URI) > 0);

 });