The Tor Browser: content/media/test/test_chaining.html@7540298fafa1

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>Media test: chained ogg files.</title>

     5   <meta charset='utf-8'>

     6   <script type="text/javascript" src="/MochiKit/Base.js"></script>

     7   <script type="text/javascript" src="/MochiKit/DOM.js"></script>

     8   <script type="text/javascript" src="/MochiKit/Style.js"></script>

     9   <script type="text/javascript" src="/MochiKit/Signal.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   <script type="text/javascript" src="manifest.js"></script>

    13 </head>

    14 <body>

    15 <pre id="test">

    16 <script class="testbody" type="text/javascript">

    17 var manager = new MediaTestManager;

    19 function finish_test(element) {

    20   if (element.parentNode)

    21     element.parentNode.removeChild(element);

    22   manager.finished(element.token);

    23 }

    25 function onended(e) {

    26   var t = e.target;

    27   is(t._metadataCount, t._links, "We should have received "+ t._links +

    28      " metadataloaded event. " + t.src);

    30   // If we encounter a file that has links with a different numbers of channel,

    31   // we stop the decoding at the end of the first link. Hence, we report normal

    32   // |seekable| and |buffered| values.

    33   if (t._links != 1) {

    34     is(t.seekable.length, 0, "No seekable ranges should be reported." + t.src);

    35     is(t.buffered.length, 0, "No buffered region should be reported." + t.src);

    36   }

    38   is(t.played.length, 1, "The played region should be continuous." + t.src);

    40   if (t._links != 1) {

    41     var oldCurrentTime = t.currentTime;

    42     t.currentTime = 0.0;

    43     is(t.currentTime, oldCurrentTime,

    44         "Seeking should be disabled when playing chained media." + t.src);

    45   }

    47   finish_test(t);

    48 }

    50 function onmetadataloaded(e) {

    51   var t = e.target;

    52   if (! t._metadataCount) {

    53     t._metadataCount = 0;

    54   }

    56   if (t._metadataCount > 1 && t._links === 1) {

    57     ok(false, "We should receive only one \"loadedmetadata\" event for a chained file we don't support.")

    58   }

    60   // We should be able to assert equality here, but somehow it fails (rarely but

    61   // still) on try. Instead, we give it a little slack and assert that the index

    62   // increases monotonically.

    63   ok(t.mozGetMetadata().index >= t._metadataCount || t._links === 1,

    64      "The metadata index value should increase." + t.src);

    66   // The files have all a user comment name 'index' that increments at each link

    67   // in the chained media.

    68   t._metadataCount++;

    69   if (!t.playing && !t.ended) {

    70     t.play();

    71   }

    72 }

    74 function startTest(test, token) {

    75   var elemType = /^audio/.test(test.type) ? "audio" : "video";

    76   var element = document.createElement(elemType);

    77   document.body.appendChild(element);

    78   manager.started(token);

    79   element._links= test.links;

    80   element.src = test.name;

    81   element.token = token;

    82   element.controls = true;

    83   element.addEventListener("loadedmetadata", onmetadataloaded);

    84   element.addEventListener("ended", onended);

    85 }

    87 manager.runTests(gChainingTests, startTest);

    88 </script>

    89 </pre>

    90 </body>

    91 </html>

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