Quelle test_load.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/media/test/test_load.html

<!DOCTYPE HTML>
<html>

<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() {
  //document.getElementById('log').innerHTML += "

" + msg + "

";
}

// 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) {
        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() {
            // 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() {
            // 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>

Messung V0.5

¤ Dauer der Verarbeitung: 0.22 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.