test_cueless_webm_seek-2.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=657791

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<head>

  <title>Test for Bug 657791</title>

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  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

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

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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=657791">Mozilla Bug 657791</a>

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<pre id="test">

<script type="application/javascript">

// Subset of seek tests for cueless WebMs. When random seeking (rather than just

// in buffered ranges) is implemented for WebM, these tests can be removed and

// the cueless WebM(s) references can be moved to the general test_seek test

// array.

// Test array is defined in manifest.js

var manager = new MediaTestManager;

// Exercise functionality as in test_seek-2

function testWebM2(e) {

  var v = e.target;

  v.removeEventListener('loadeddata', testWebM2);

  var startPassed = false;

  var endPassed = false;

  var completed = false;

  ok(v.buffered.length >= 1, "Should have a buffered range");

  var halfBuffered = v.buffered.end(0) / 2;

  function start() {

    if (completed)

      return;

    is(v.seekable.start(0), v.buffered.start(0), "Seekable start should be buffered start");

    is(v.seekable.end(0), v.buffered.end(0), "Seekable end should be buffered end");

    v.currentTime=halfBuffered;

    v.play();

  function seekStarted() {

    if (completed)

      return;

    startPassed = true;

  function seekEnded() {

    if (completed)

      return;

    endPassed = true;

  function playbackEnded() {

    if (completed)

      return;

    completed = true;

    ok(startPassed, "send seeking event");

    ok(endPassed, "send seeked event");

    ok(v.ended, "Checking playback has ended");

    ok(Math.abs(v.currentTime - v.duration) <= 0.1, "Checking currentTime at end: " + v.currentTime);

    removeNodeAndSource(v);

    manager.finished(v._token);

  v.addEventListener("ended", playbackEnded);

  v.addEventListener("seeking", seekStarted);

  v.addEventListener("seeked", seekEnded);

  start();

// Fetch the media resource using XHR so we can be sure the entire

// resource is loaded before we test buffered ranges. This ensures

// we have deterministic behaviour.

function fetch(url, fetched_callback) {

  var xhr = new XMLHttpRequest();

  xhr.open("GET", url, true);

  xhr.responseType = "blob";

  var loaded = function () {

    if (xhr.status == 200 || xhr.status == 206) {

      // Request fulfilled. Note sometimes we get 206... Presumably because either

      // httpd.js or Necko cached the result.

      fetched_callback(window.URL.createObjectURL(xhr.response));

    } else {

      ok(false, "Fetch failed headers=" + xhr.getAllResponseHeaders());

};

  xhr.addEventListener("load", loaded);

  xhr.send();

function startTest(test, token) {

  var onfetched = function(uri) {

    var v = document.createElement('video');

    v._token = token;

    v.src = uri;

    v.addEventListener("loadeddata", testWebM2);

    document.body.appendChild(v);

  manager.started(token);

  fetch(test.name, onfetched);

SimpleTest.waitForExplicitFinish();

manager.runTests(gCuelessWebMTests, startTest);

</script>

</pre>

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