зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.3 KiB
HTML
101 строка
3.3 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<title>Test loading of the same resource in multiple elements</title>
|
|
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
|
|
<script type="text/javascript" src="manifest.js"></script>
|
|
</head>
|
|
<body>
|
|
|
|
<pre id="test">
|
|
<script class="testbody" type="text/javascript">
|
|
|
|
SimpleTest.requestCompleteLog();
|
|
var manager = new MediaTestManager;
|
|
|
|
function cloneLoaded(event) {
|
|
ok(true, "Clone loaded OK");
|
|
var e = event.target;
|
|
|
|
if (e._expectedDuration) {
|
|
ok(Math.abs(e.duration - e._expectedDuration) < 0.1,
|
|
"Clone " + e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration);
|
|
}
|
|
|
|
e.removeEventListener("loadeddata", cloneLoaded, false);
|
|
removeNodeAndSource(e);
|
|
manager.finished(e.token);
|
|
}
|
|
|
|
function tryClone(event) {
|
|
var e = event.target;
|
|
var clone = e.cloneNode(false);
|
|
clone.token = e.token;
|
|
|
|
// Log events for debugging.
|
|
var events = ["suspend", "play", "canplay", "canplaythrough", "loadstart", "loadedmetadata",
|
|
"loadeddata", "playing", "ended", "error", "stalled", "emptied", "abort",
|
|
"waiting", "pause"];
|
|
function logEvent(evt) {
|
|
var e = evt.target;
|
|
info(e.token + ": got " + evt.type);
|
|
}
|
|
events.forEach(function(e) {
|
|
clone.addEventListener(e, logEvent, false);
|
|
});
|
|
|
|
|
|
if (e._expectedDuration) {
|
|
ok(Math.abs(e.duration - e._expectedDuration) < 0.1,
|
|
e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration);
|
|
clone._expectedDuration = e._expectedDuration;
|
|
}
|
|
|
|
clone.addEventListener("loadeddata", cloneLoaded, false);
|
|
clone.onloadstart = function(evt) {
|
|
info("cloned " + evt.target.token + " start loading.");
|
|
evt.target.onloadstart = null;
|
|
// Since there is only one H264 decoder instance, we have to delete the
|
|
// decoder of the original element for the cloned element to load. However,
|
|
// we can't delete the decoder too early otherwise cloning decoder will
|
|
// fail to kick in. We wait for 'loadstart' event of the cloned element to
|
|
// know when the decoder is already cloned and we can delete the decoder of
|
|
// the original element.
|
|
removeNodeAndSource(e);
|
|
}
|
|
|
|
e.removeEventListener("loadeddata", tryClone, false);
|
|
}
|
|
|
|
// This test checks that loading the same URI twice in different elements at the same time
|
|
// uses the same resource without doing another network fetch. One of the gCloneTests
|
|
// uses dynamic_resource.sjs to return one resource on the first fetch and a different resource
|
|
// on the second fetch. These resources have different lengths, so if the cloned element
|
|
// does a network fetch it will get a resource with the wrong length and we get a test
|
|
// failure.
|
|
|
|
function initTest(test, token) {
|
|
var elemType = /^audio/.test(test.type) ? "audio" : "video";
|
|
var e = document.createElement(elemType);
|
|
e.preload = "auto";
|
|
if (e.canPlayType(test.type)) {
|
|
e.src = test.name;
|
|
if (test.duration) {
|
|
e._expectedDuration = test.duration;
|
|
}
|
|
ok(true, "Trying to load " + test.name);
|
|
e.addEventListener("loadeddata", tryClone, false);
|
|
e.load();
|
|
e.token = token;
|
|
manager.started(token);
|
|
}
|
|
}
|
|
|
|
manager.runTests(gCloneTests, initTest);
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|