dom/media/webvtt/test/mochitest/test_bug883173.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <title>Test for Bug 883173 - TextTrackCue(List) Sorting</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   7 </head>
   8 <body>
   9 <video id="v" src="seek.webm" preload="metadata">
  10   <track src="bug883173.vtt" kind="subtitles" id="default" default>
  11 </video>
  12 <script type="text/javascript">
  13 /**
  14  * This test is used to ensure that the cues in the cue list should be sorted by
  15  * cues' start time and end time, not the present order in the file.
  16  */
  17 function runTest() {
  18   let trackElement = document.getElementById("default");
  19   is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
  20
  21   let expected = [[1, 3], [1, 2], [2, 4], [2, 3], [3, 4]];
  22   let cueList = trackElement.track.cues;
  23   is(cueList.length, expected.length, "Cue list length should be 5.");
  24
  25   for (let i = 0; i < expected.length; i++) {
  26     is(cueList[i].startTime, expected[i][0],
  27        `Cue's start time should be ${expected[i][0]}`);
  28     is(cueList[i].endTime, expected[i][1],
  29        `Cue's end time should be ${expected[i][1]}`);
  30   }
  31
  32   SimpleTest.finish();
  33 }
  34
  35 SimpleTest.waitForExplicitFinish();
  36 onload = runTest;
  37 </script>
  38 </body>
  39 </html>