content/media/test/test_texttrack.html

Fri, 16 Jan 2015 04:50:19 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 04:50:19 +0100
branch
TOR_BUG_9701
changeset 13
44a2da4a2ab2
permissions
-rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 <!DOCTYPE HTML>
     2 <html>
     3 <!--
     4 https://bugzilla.mozilla.org/show_bug.cgi?id=833386
     5 -->
     6 <head>
     7   <meta charset='utf-8'>
     8   <title>Test for Bug 833386 - TextTrackList</title>
     9   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
    10   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    11   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    12 </head>
    13 <body>
    14 <p id="display"></p>
    15 <div id="content" style="display: none">
    16 </div>
    17 <pre id="test">
    18 <script class="testbody" type="text/javascript">
    19 SimpleTest.waitForExplicitFinish();
    20 SpecialPowers.pushPrefEnv({"set": [["media.webvtt.enabled", true],
    21                                    ["media.webvtt.regions.enabled", true]]},
    22   function() {
    23     var video = document.createElement("video");
    25     isnot(video.textTracks, undefined, "HTMLMediaElement::TextTrack() property should be available.")
    27     var trackList = video.textTracks;
    28     is(trackList.length, 0, "Length should be 0.");
    30     ok(typeof video.addTextTrack == "function", "HTMLMediaElement::AddTextTrack() function should be available.")
    31     video.addTextTrack("subtitles", "third", "en-CA");
    32     is(trackList.length, 1, "Length should be 1.");
    34     var textTrack = video.textTracks[0];
    35     is(textTrack.label, "third", "Label should be set to third.");
    36     is(textTrack.language, "en-CA", "Language should be en-CA.");
    37     is(textTrack.kind, "subtitles", "Default kind should be subtitles.");
    38     is(textTrack.mode, "hidden", "Default mode should be hidden.");
    40     // Mode should not allow a bogus value.
    41     textTrack.mode = 'bogus';
    42     is(textTrack.mode, 'hidden', "Mode should be not allow a bogus value.");
    44     // Should allow all these values for mode.
    45     checkMode("showing", "Mode should allow \"showing\"");
    46     checkMode("disabled", "Mode should allow \"disabled\"");
    47     checkMode("hidden", "Mode should allow \"hidden\"");
    49     // All below are read-only properties and so should not allow setting.
    50     textTrack.label = "French subtitles";
    51     is(textTrack.label, "third", "Label is read-only so should still be \"label\".");
    53     textTrack.language = "en";
    54     is(textTrack.language, "en-CA", "Language is read-only so should still be \"en-CA\".");
    56     textTrack.kind = "captions";
    57     is(textTrack.kind, "subtitles", "Kind is read-only so should still be \"subtitles\"");
    59     function checkMode(value, message) {
    60       textTrack.mode = value;
    61       is(textTrack.mode, value, message);
    62     }
    64     // Insert some tracks in an order that is not sorted, we will test if they
    65     // are sorted later.
    66     var trackOne = document.createElement("track");
    67     trackOne.label = "first";
    68     trackOne.src = "basic.vtt";
    69     trackOne.default = true;
    70     trackOne.id = "2";
    71     video.appendChild(trackOne);
    73     video.addTextTrack("subtitles", "fourth", "en-CA");
    75     var trackTwo = document.createElement("track");
    76     trackTwo.label = "second";
    77     trackTwo.src = "basic.vtt";
    78     trackTwo.default = true;
    79     video.appendChild(trackTwo);
    81     video.src = "seek.webm";
    82     video.preload = "auto";
    84     document.getElementById("content").appendChild(video);
    86     video.addEventListener("loadedmetadata", function run_tests() {
    87       // Re-que run_tests() at the end of the event loop until the track
    88       // element has loaded its data.
    89       if (trackOne.readyState == 1 || trackTwo.readyState == 1) {
    90         setTimeout(run_tests, 0);
    91         return;
    92       }
    93       is(trackOne.readyState, 2, "First Track::ReadyState should be set to LOADED.");
    94       is(trackTwo.readyState, 2, "Second Track::ReadyState should be set to LOADED.");
    96       // We're testing two things here, firstly that tracks created from a track
    97       // element have a default mode 'disabled' and tracks created with the
    98       // 'addTextTrack' method have a default mode of 'hidden'.
    99       // Secondly we're testing that the tracks are sorted properly.
   100       // For the tracks to be sorted the first two tracks, added through a
   101       // TrackElement, must occupy the first two indexes in their TrackElement
   102       // tree order. The second two tracks, added through the 'addTextTrack'
   103       // method, will occupy the last two indexes in the order that they were
   104       // added in.
   105       var trackData = [
   106         { label: "first", mode: "showing", id: "2" },
   107         { label: "second", mode: "disabled", id: "" },
   108         { label: "third", mode: "hidden", id: "" },
   109         { label: "fourth", mode: "hidden", id: "" }
   110       ];
   111       is(video.textTracks.length, trackData.length, "TextTracks length should be " + trackData.length);
   112       for (var i = 0; i < trackData.length; i++) {
   113         var track = video.textTracks[i];
   114         isnot(track, null, "Video should have a text track at index " + i);
   115         var info = trackData[i];
   116         for (var key in info) {
   117           is(track[key], info[key], "Track at index " + i + " should have a '" + key + "'' property " +
   118                                     "with a value of '" + info[key] + "'.");
   119         }
   120       }
   121       SimpleTest.finish();
   122     });
   123 });
   124 </script>
   125 </pre>
   126 </body>
   127 </html>

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