tor-browser

The Tor Browser
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test_cueless_webm_seek-2.html (3358B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=657791
      5 -->
      6 <head>
      7  <title>Test for Bug 657791</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
     10  <script type="text/javascript" src="manifest.js"></script>
     11 </head>
     12 <body>
     13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=657791">Mozilla Bug 657791</a>
     14 
     15 <p id="display"></p>
     16 <div id="content" style="display: none">
     17 
     18 </div>
     19 <pre id="test">
     20 <script type="application/javascript">
     21 
     22 // Subset of seek tests for cueless WebMs. When random seeking (rather than just
     23 // in buffered ranges) is implemented for WebM, these tests can be removed and
     24 // the cueless WebM(s) references can be moved to the general test_seek test
     25 // array.
     26 // Test array is defined in manifest.js
     27 
     28 var manager = new MediaTestManager;
     29 
     30 // Exercise functionality as in test_seek-2
     31 function testWebM2(e) {
     32  var v = e.target;
     33  v.removeEventListener('loadeddata', testWebM2);
     34 
     35  var startPassed = false;
     36  var endPassed = false;
     37  var completed = false;
     38 
     39  ok(v.buffered.length >= 1, "Should have a buffered range");
     40  var halfBuffered = v.buffered.end(0) / 2;
     41 
     42  function start() {
     43    if (completed)
     44      return;
     45 
     46    is(v.seekable.start(0), v.buffered.start(0), "Seekable start should be buffered start");
     47    is(v.seekable.end(0), v.buffered.end(0), "Seekable end should be buffered end");
     48    v.currentTime=halfBuffered;
     49    v.play();
     50  }
     51 
     52  function seekStarted() {
     53    if (completed)
     54      return;
     55 
     56    startPassed = true;
     57  }
     58 
     59  function seekEnded() {
     60    if (completed)
     61      return;
     62 
     63    endPassed = true;
     64  }
     65 
     66  function playbackEnded() {
     67    if (completed)
     68      return;
     69 
     70    completed = true;
     71    ok(startPassed, "send seeking event");
     72    ok(endPassed, "send seeked event");
     73    ok(v.ended, "Checking playback has ended");
     74    ok(Math.abs(v.currentTime - v.duration) <= 0.1, "Checking currentTime at end: " + v.currentTime);
     75    removeNodeAndSource(v);
     76    manager.finished(v._token);
     77  }
     78 
     79  v.addEventListener("ended", playbackEnded);
     80  v.addEventListener("seeking", seekStarted);
     81  v.addEventListener("seeked", seekEnded);
     82 
     83  start();
     84 }
     85 
     86 // Fetch the media resource using XHR so we can be sure the entire
     87 // resource is loaded before we test buffered ranges. This ensures
     88 // we have deterministic behaviour.
     89 function fetch(url, fetched_callback) {
     90  var xhr = new XMLHttpRequest();
     91  xhr.open("GET", url, true);
     92  xhr.responseType = "blob";
     93 
     94  var loaded = function () {
     95    if (xhr.status == 200 || xhr.status == 206) {
     96      // Request fulfilled. Note sometimes we get 206... Presumably because either
     97      // httpd.js or Necko cached the result.
     98      fetched_callback(window.URL.createObjectURL(xhr.response));
     99    } else {
    100      ok(false, "Fetch failed headers=" + xhr.getAllResponseHeaders());
    101    }
    102  };
    103 
    104  xhr.addEventListener("load", loaded);
    105  xhr.send();
    106 }
    107 
    108 function startTest(test, token) {
    109  var onfetched = function(uri) {
    110    var v = document.createElement('video');
    111    v._token = token;
    112    v.src = uri;
    113    v.addEventListener("loadeddata", testWebM2);
    114    document.body.appendChild(v);
    115  }
    116  manager.started(token);
    117  fetch(test.name, onfetched);
    118 }
    119 
    120 SimpleTest.waitForExplicitFinish();
    121 manager.runTests(gCuelessWebMTests, startTest);
    122 
    123 </script>
    124 </pre>
    125 </body>
    126 </html>