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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=479859
-->
<head>
  <title>Test for Bug 479859</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript" src="manifest.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=479859">Mozilla Bug 479859</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="text/javascript">

function log(msg) {
  //document.getElementById('log').innerHTML += "<p>" + msg + "</p>";
}

// We don't track: progress, canplay, canplaythrough and stalled events,
// as these can be delivered out of order, and/or multiple times.
var gEventTypes = [ 'loadstart', 'abort', 'error', 'emptied', 'play',
  'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'seeking',
  'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];

var gEventNum = 0;
var gTestNum = 0;
var gTestFileNum = 0;
var gExpectedEvents = null;
var gTest = null;
var gTestName = "?";

function listener(evt) {
  log('event ' + evt.type);
  ok(gEventNum < gExpectedEvents.length, gTestName+" - corrent number of events received");
  var expected = (gEventNum < gExpectedEvents.length) ? gExpectedEvents[gEventNum] : "NoEvent";
  is(evt.type, expected, gTestName+" - events received in order");
  gEventNum++;
  if (gEventNum == gExpectedEvents.length) {
    setTimeout(nextTest, 0); 
  }
}

function source_error(evt) {
  log('event source_error');
  ok(evt.type == "error", "Should only get error events here");
  ok(gEventNum < gExpectedEvents.length, gTestName+" - corrent number of events received");
  var expected = (gEventNum < gExpectedEvents.length) ? gExpectedEvents[gEventNum] : "NoEvent";
  is("source_error", expected, gTestName+" - events received in order");
  gEventNum++;
  if (gEventNum == gExpectedEvents.length) {
    setTimeout(nextTest, 0); 
  }
}

var gMedia = null;

function createMedia(tag) {
  gMedia = document.createElement(tag);
  gMedia.preload = "metadata";
  for (var i=0; i<gEventTypes.length; i++) {
    gMedia.addEventListener(gEventTypes[i], listener);
  }
}

function addSource(src, type) {
  var s = document.createElement("source");
  s.addEventListener("error", source_error);
  s.src = src;
  s.type = type;
  gMedia.appendChild(s);
  return s;
}

function prependSource(src, type) {
  var s = document.createElement("source");
  s.addEventListener("error", source_error);
  s.src = src;
  s.type = type;
  gMedia.insertBefore(s, gMedia.firstChild);
  return s;
}

var gTests = [
  {
    // Test 0: adding video to doc, then setting src should load implicitly.
    create(src, type) {
        document.body.appendChild(gMedia);
        gMedia.src = src;
      },
    expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
  }, {
    // Test 1: adding video to doc, then adding source.
    create(src, type) {
        document.body.appendChild(gMedia);
        addSource(src, type);
      },
    expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
  },{
    // Test 2: video with multiple source, the first of which are bad, we should load the last,
    // and receive error events for failed loads on the source children.
    create(src, type) {
        document.body.appendChild(gMedia);
        addSource("404a", type);
        addSource("404b", type);
        addSource(src, type);
      },
    expectedEvents: ['loadstart', 'source_error', 'source_error', 'durationchange', 'loadedmetadata', 'loadeddata']
  }, {
    // Test 3:  video with bad src, good <source>, ensure that <source> aren't used.
    create(src, type) {
        gMedia.src = "404a";
        addSource(src, type);
        document.body.appendChild(gMedia);
      },
    expectedEvents: ['loadstart', 'error']
  }, {
    // Test 4:  video with only bad source, loading, then adding a good source
    // -  should resume load.
    create(src, type) {
        addSource("404a", type);
        var s2 = addSource("404b", type);
        s2.addEventListener("error",
          function(e) {
            // Should awaken waiting load, causing successful load.
            addSource(src, type);
          });
        document.body.appendChild(gMedia);
      },
    expectedEvents: ['loadstart', 'source_error', 'source_error', 'durationchange', 'loadedmetadata', 'loadeddata']
  }, {
    // Test 5: video with only 1 bad source, let it fail to load, then prepend
    // a good <source> to the video, it shouldn't be selected, because the
    // "pointer" should be after the last child - the bad source.
    prepended: false,
    create(src, type) {
        var prepended = false;
        addSource("404a", type);
        var s2 = addSource("404b", type);
        s2.addEventListener("error",
          function(e) {
            // Should awaken waiting load, causing successful load.
            if (!prepended) {
              prependSource(src, type);
              prepended = true;
            }
          });
        document.body.appendChild(gMedia);
      },
    expectedEvents: ['loadstart', 'source_error', 'source_error']
  }, {
    // Test 6: (Bug 1165203) preload="none" then followed by an explicit
    // call to load() should load metadata
    create(src, type) {
        gMedia.preload = "none";
        gMedia.src = src;
        document.body.appendChild(gMedia);
        addSource(src, type);
        gMedia.load();
      },
    expectedEvents: ['emptied',  'loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
  }
];

function nextTest() {
  if (gMedia) {
    for (var i=0; i<gEventTypes.length; i++) {
      gMedia.removeEventListener(gEventTypes[i], listener);
    }
    removeNodeAndSource(gMedia);
    gMedia = null;
  }
  gEventNum = 0;

  if (gTestNum == gTests.length) {
    gTestNum = 0;
    ++gTestFileNum;
    if (gTestFileNum == gSmallTests.length) {
      SimpleTest.finish();
      return;
    }
  }

  var src = gSmallTests[gTestFileNum].name;
  var type = gSmallTests[gTestFileNum].type;

  var t = gTests[gTestNum];
  gTestNum++;
  
  createMedia(type.match(/^audio\//) ? "audio" : "video");
  if (!gMedia.canPlayType(type)) {
    // Unsupported type, skip to next test
    nextTest();
    return;
  }

  gTestName = "Test " + src + " " + (gTestNum - 1);
  log("Starting " + gTestName);
  gExpectedEvents = t.expectedEvents;

  t.create(src, type);
}

addLoadEvent(nextTest);
SimpleTest.waitForExplicitFinish();

</script>
</pre>

<div id="log" style="font-size: small"></div>
</body>
</html>