gecko/content/media/test/test_info_leak.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=478957
-->
<head>
  <title>Test for Bug 478957</title>
  <script type="application/javascript" src="/MochiKit/packed.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=478957">Mozilla Bug 478957</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>

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

<pre id="test">
<script type="application/javascript">

/** Test for Bug 478957 **/

// Tests whether we leak events and state change info when loading stuff from local files from a webserver.

function fileUriToSrc(path, mustExist) {
  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  const Ci = Components.interfaces;
  const Cc = Components.classes;
  const Cr = Components.results;
  var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
               getService(Ci.nsIProperties);
  var f = dirSvc.get("CurWorkD", Ci.nsILocalFile);
  var split = path.split("/");
  for(var i = 0; i < split.length; ++i) {
    f.append(split[i]);
  }
  is(f.exists(), mustExist, 'File ' + path + ' existence mismatch');
  return f.path;
}

var gEventTypes = [ 'loadstart', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'canplay', 'canplaythrough', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];

var gMedia = null;

var gTests = [
  {
    tag: 'video',
    src: fileUriToSrc("tests/content/media/test/320x240.ogv", true),
  },{
    tag: 'video',
    src: fileUriToSrc("tests/content/media/test/404.ogv", false),
  }, {
    tag: 'audio',
    src: fileUriToSrc("tests/content/media/test/r11025_s16_c1.wav", true),
  }, {
    tag: 'audio',
    src: fileUriToSrc("tests/content/media/test/404.wav", false),
  }, {
    tag: 'audio',
    src: fileUriToSrc("tests/content/media/test/bug461281.ogg", true),
  }, {
    tag: 'audio',
    src: fileUriToSrc("tests/content/media/test/404.ogg", false),
  }, {
    tag: 'video',
    src: 'http://localhost/404.ogv',
  }, {
    tag: 'audio',
    src: 'http://localhost/404.wav',
  }, {
    tag: 'video',
    src: 'http://example.com/tests/content/media/test/test_info_leak.html'
  }, {
    tag: 'audio',
    src: 'http://example.com/tests/content/media/test/test_info_leak.html'
  }
];

var gExpectedEvents = ['loadstart', 'error'];
var gTestNum = 0;
var gEventNum = 0;
var gFinished = false;

function log(msg) {
  //dump(msg + "\n");
  var l = document.getElementById('log');
  l.innerHTML += msg + "<br>";
}

function nextTest() {
  if (gTestNum == gTests.length) {
    gFinished = true;
    SimpleTest.finish();
    return;
  }
  if (gMedia && gMedia.parentNode) {
    gMedia.parentNode.removeChild(gMedia);
    gMedia = null;
  }
  var t = gTests[gTestNum];

  log("Testing: " + t.tag + " @ " + t.src);

  gTestNum++;
  gEventNum = 0;
  createMedia(t.tag, t.src);
}

function listener(evt) {
  //log('event ' + evt.type);
  evt.stopPropagation();
  ok(gEventNum < gExpectedEvents.length, "Too many events received");
  var expected = (gEventNum < gExpectedEvents.length) ? gExpectedEvents[gEventNum] : "NoEvent";
  is(evt.type, expected, "Events received in wrong order");
  gEventNum++;
  if (gEventNum == gExpectedEvents.length) {
    // In one second, move onto the next test. This give a chance for any
    // other events to come in. Note: we don't expect any events to come
    // in, unless we've leaked some info, and 1 second should be enough time
    // for the leak to show up.
    setTimeout(nextTest, 1000); 
  }
}

function createMedia(tag, src) {
  gMedia = document.createElement(tag);
  for (var i=0; i<gEventTypes.length; i++) {
    gMedia.addEventListener(gEventTypes[i], listener, false);
  }
  gMedia.src = src;
  document.body.appendChild(gMedia);
}

// Define our own ok() and is() functions. The mochitest ones take ages constructing the log
// of all the passes, so only report failures.
function test_ok(b, msg) {
  if (!b) {
    log("FAILED test_ok: " + msg);
    ok(b, msg);
  }
}

function test_is(a, b, msg) {
  if (a != b) {
    log("FAILED test_is: " + msg);
    is(a,b,msg);
  }
}

function checkState() {
  test_ok(gMedia.networkState <= HTMLMediaElement.NETWORK_LOADING || 
          gMedia.networkState == HTMLMediaElement.NETWORK_NO_SOURCE,
          "NetworkState of " + gMedia.networkState + " was leaked.");
  test_ok(gMedia.readyState == HTMLMediaElement.HAVE_NOTHING,
          "Ready state of " + gMedia.readyState + " was leaked");
  test_is(gMedia.seeking, false, "Seeking leaked");
  test_is(gMedia.currentTime, 0, "Leaked currentTime");
  test_is(gMedia.duration, 0, "Leaked duration");
  test_is(gMedia.paused, true, "Paused leaked");
  test_is(gMedia.ended, false, "Ended leaked");
  test_is(gMedia.autoplay, false, "Autoplay leaked");
  test_is(gMedia.controls, false, "Controls leaked");
  test_is(gMedia.muted, false, "muted leaked");
  test_ok(gMedia.error==null || gMedia.error.code==HTMLMediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,
          "Error code should not exist or be SRC_NOT_SUPPORTED. gMedia.error=" +
          (gMedia.error ? gMedia.error.code : "null"));
  test_is(gMedia.currentSrc, "", "Leaked currentSrc");

  if (!gFinished) {
    setTimeout(checkState, 1);
  }
}


function startTest() {
  setTimeout(nextTest, 0);
  setTimeout(checkState,1);
}

addLoadEvent(startTest);
SimpleTest.waitForExplicitFinish();

</script>
</pre>

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