tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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mediasource-trackdefault.html (4538B)

      1 <!DOCTYPE html>
      2 <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
      3 <meta charset="utf-8">
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <script>
      7    function checkConstructionSucceeds(type, language, label, kinds, byteStreamTrackID)
      8    {
      9        var trackDefault = new TrackDefault(type, language, label, kinds, byteStreamTrackID);
     10        assert_equals(trackDefault.type, type, "type");
     11        assert_equals(trackDefault.language, language, "language");
     12        assert_equals(trackDefault.label, label, "label");
     13        assert_equals(trackDefault.byteStreamTrackID, byteStreamTrackID, "byteStreamTrackID");
     14        assert_array_equals(trackDefault.kinds, kinds, "kinds");
     15    }
     16 
     17    function checkConstructionFails(type, language, label, kinds, byteStreamTrackID)
     18    {
     19        assert_throws_js(TypeError,
     20            function() { new TrackDefault(type, language, label, kinds, byteStreamTrackID); },
     21            "TrackDefault construction threw an exception");
     22    }
     23 
     24    function trackDefaultConstructionTest(type, language, label, kinds, byteStreamTrackID, expectation, description)
     25    {
     26        test(function()
     27        {
     28            if (expectation)
     29                checkConstructionSucceeds(type, language, label, kinds, byteStreamTrackID);
     30            else
     31                checkConstructionFails(type, language, label, kinds, byteStreamTrackID);
     32        }, description + ": type '" + type + "', language '" + language + "', label '" + label + "', multiple kinds, byteStreamTrackID '" + byteStreamTrackID + "'");
     33 
     34        // If all of |kinds| are expected to succeed, also test each kind individually.
     35        if (!expectation || kinds.length <= 1)
     36            return;
     37        for (var i = 0; i < kinds.length; ++i) {
     38            test(function()
     39            {
     40                checkConstructionSucceeds(type, language, label, new Array(kinds[i]), byteStreamTrackID);
     41            }, description + ": type '" + type + "', language '" + language + "', label '" + label + "', kind '" + kinds[i] + "', byteStreamTrackID '" + byteStreamTrackID + "'");
     42        }
     43    }
     44 
     45    var VALID_AUDIO_TRACK_KINDS = [
     46        "alternative",
     47        "descriptions",
     48        "main",
     49        "main-desc",
     50        "translation",
     51        "commentary",
     52        "",
     53    ];
     54 
     55    var VALID_VIDEO_TRACK_KINDS = [
     56        "alternative",
     57        "captions",
     58        "main",
     59        "sign",
     60        "subtitles",
     61        "commentary",
     62        "",
     63    ];
     64 
     65    var VALID_TEXT_TRACK_KINDS = [
     66        "subtitles",
     67        "captions",
     68        "descriptions",
     69        "chapters",
     70        "metadata",
     71    ];
     72 
     73    trackDefaultConstructionTest("audio", "en-US", "audio label", VALID_AUDIO_TRACK_KINDS, "1", true, "Test valid audio kinds");
     74 
     75    trackDefaultConstructionTest("video", "en-US", "video label", VALID_VIDEO_TRACK_KINDS, "1", true, "Test valid video kinds");
     76 
     77    trackDefaultConstructionTest("text", "en-US", "text label", VALID_TEXT_TRACK_KINDS, "1", true, "Test valid text kinds");
     78 
     79    trackDefaultConstructionTest("audio", "en-US", "audio label", VALID_VIDEO_TRACK_KINDS, "1", false, "Test mixed valid and invalid audio kinds");
     80 
     81    trackDefaultConstructionTest("video", "en-US", "video label", VALID_AUDIO_TRACK_KINDS, "1", false, "Test mixed valid and invalid video kinds");
     82 
     83    trackDefaultConstructionTest("text", "en-US", "text label", VALID_VIDEO_TRACK_KINDS, "1", false, "Test mixed valid and invalid text kinds");
     84 
     85    trackDefaultConstructionTest("invalid type", "en-US", "label", VALID_AUDIO_TRACK_KINDS, "1", false, "Test invalid 'type' parameter type passed to TrackDefault constructor");
     86 
     87    test(function()
     88    {
     89        checkConstructionFails("audio", "en-US", "label", "this is not a valid sequence", "1");
     90    }, "Test invalid 'kinds' parameter type passed to TrackDefault constructor");
     91 
     92    test(function()
     93    {
     94        var trackDefault = new TrackDefault("audio", "en-US", "label", VALID_AUDIO_TRACK_KINDS, "1");
     95        var kinds = trackDefault.kinds;
     96        kinds[0] = "invalid kind";
     97        assert_equals(kinds[0], "invalid kind", "local kinds is updated");
     98        assert_equals(VALID_AUDIO_TRACK_KINDS[0], "alternative", "local original kinds unchanged");
     99        assert_array_equals(trackDefault.kinds, VALID_AUDIO_TRACK_KINDS, "trackDefault kinds unchanged");
    100    }, "Test updating the retval of TrackDefault.kinds does not modify TrackDefault.kinds");
    101 </script>