dom/media/test/test_info_leak.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=478957
   5 -->
   6 <head>
   7   <title>Test for Bug 478957</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=478957">Mozilla Bug 478957</a>
  14 <p id="display"></p>
  15 <div id="content" style="display: none">
  16
  17 </div>
  18
  19 <div id="log" style="font-size: small;"></div>
  20
  21 <pre id="test">
  22 <script type="application/javascript">
  23
  24 /** Test for Bug 478957 **/
  25
  26 // Tests whether we leak events and state change info when loading stuff from local files from a webserver.
  27
  28 var manager = new MediaTestManager;
  29
  30 var gEventTypes = [ 'loadstart', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'canplay', 'canplaythrough', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];
  31
  32 var gExpectedEvents = ['loadstart', 'error'];
  33
  34 function createTestArray() {
  35   var tests = [];
  36   var tmpVid = document.createElement("video");
  37
  38   return makeInfoLeakTests().then(infoLeakTests => {
  39     for (var testNum=0; testNum < infoLeakTests.length; testNum++) {
  40       var test = infoLeakTests[testNum];
  41       if (!tmpVid.canPlayType(test.type)) {
  42         continue;
  43       }
  44
  45       var t = {};
  46       t.name = test.src;
  47       t.type = test.type;
  48
  49       tests.push(t);
  50     }
  51     return tests;
  52   })
  53 }
  54
  55 function log(msg) {
  56   info(msg);
  57   var l = document.getElementById('log');
  58   // eslint-disable-next-line no-unsanitized/property
  59   l.innerHTML += msg + "<br>";
  60 }
  61
  62 function finish(v) {
  63   log("finish: " + v.name);
  64   clearInterval(v.checkStateInterval);
  65
  66   for (var i=0; i<gEventTypes.length; i++) {
  67     v.removeEventListener(gEventTypes[i], listener);
  68   }
  69   removeNodeAndSource(v);
  70
  71   manager.finished(v.token);
  72   v = null;
  73 }
  74
  75 function listener(evt) {
  76   var v = evt.target;
  77   log(filename(v.name) + ': got ' + evt.type);
  78
  79   // On slow machines like B2G emulator, progress timer could time out before
  80   // receiving any HTTP notification. We will ignore the 'stalled' event to
  81   // pass the tests.
  82   if (evt.type == 'stalled') {
  83     return;
  84   }
  85
  86   ok(v.eventNum < gExpectedEvents.length, filename(v.name)  + " Too many events received");
  87   var expected = (v.eventNum < gExpectedEvents.length) ? gExpectedEvents[v.eventNum] : "NoEvent";
  88   is(evt.type, expected, filename(v.name) + " Events received in wrong order");
  89   v.eventNum++;
  90   if (v.eventNum == gExpectedEvents.length) {
  91     // In one second, move onto the next test. This give a chance for any
  92     // other events to come in. Note: we don't expect any events to come
  93     // in, unless we've leaked some info, and 1 second should be enough time
  94     // for the leak to show up.
  95     setTimeout(function() {finish(v);}, 1000);
  96   }
  97 }
  98
  99 function createMedia(type, src, token) {
 100   var tag = getMajorMimeType(type);
 101   var v = document.createElement(tag);
 102   for (var i=0; i<gEventTypes.length; i++) {
 103     v.addEventListener(gEventTypes[i], listener);
 104   }
 105   v.preload = "metadata";
 106   v.src = src;
 107   v.name = src;
 108   document.body.appendChild(v);
 109   v.eventNum = 0;
 110   v.token = token;
 111   setTimeout(
 112   function() {
 113     v.checkStateInterval = setInterval(function(){checkState(v);},1);
 114   }, 0);
 115 }
 116
 117 // Define our own ok() and is() functions. The mochitest ones take ages constructing the log
 118 // of all the passes, so only report failures.
 119 function test_ok(b, msg) {
 120   if (!b) {
 121     log("FAILED test_ok: " + msg);
 122     ok(b, msg);
 123   }
 124 }
 125
 126 function test_is(a, b, msg) {
 127   if (a != b) {
 128     log("FAILED test_is: " + msg);
 129     is(a,b,msg);
 130   }
 131 }
 132
 133 function filename(uri) {
 134   return uri.substr(uri.lastIndexOf("/")+1);
 135 }
 136
 137 function checkState(v) {
 138   test_ok(v.networkState <= HTMLMediaElement.NETWORK_LOADING ||
 139           v.networkState == HTMLMediaElement.NETWORK_NO_SOURCE,
 140           "NetworkState of " + v.networkState + " was leaked.");
 141   test_ok(v.readyState == HTMLMediaElement.HAVE_NOTHING,
 142           "Ready state of " + v.readyState + " was leaked");
 143   test_is(v.seeking, false, "Seeking leaked");
 144   test_is(v.currentTime, 0, "Leaked currentTime");
 145   test_ok(isNaN(v.duration), "Leaked duration");
 146   test_is(v.paused, true, "Paused leaked");
 147   test_is(v.ended, false, "Ended leaked");
 148   test_is(v.autoplay, false, "Autoplay leaked");
 149   test_is(v.controls, false, "Controls leaked");
 150   test_is(v.muted, false, "muted leaked");
 151   test_ok(v.error==null || v.error.code==MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,
 152           "Error code should not exist or be SRC_NOT_SUPPORTED. v.error=" +
 153           (v.error ? v.error.code : "null"));
 154   test_ok(filename(v.currentSrc) == filename(v.name) ||
 155           v.networkState == HTMLMediaElement.NETWORK_NO_SOURCE,
 156           "currentSrc should match candidate uri, if we've got a valid source");
 157 }
 158
 159
 160 function startTest(test, token) {
 161   manager.started(token);
 162   log("Testing: " + test.type + " @ " + test.name);
 163   createMedia(test.type, test.name, token);
 164 }
 165
 166 SimpleTest.waitForExplicitFinish();
 167 createTestArray().then(testArray => {
 168   manager.runTests(testArray, startTest);
 169 });
 170
 171 </script>
 172 </pre>
 173
 174 </body>
 175 </html>