mozilla-central/dom/media/test/test_arraybuffer.html

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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 1457661</title>
<script 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>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
// Test for Bug 1457661; Ensure that readyState properly move to 4 when using arrayBuffer obtained from XMLHttpRequest
var manager = new MediaTestManager;
function getBlob(url, callback) {
const req = new XMLHttpRequest();
req.addEventListener("load", function() {
callback(req.response);
});
req.open("GET", url, true);
req.responseType = "arraybuffer";
req.send();
}
function startTest(test, token) {
manager.started(token);
// 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.
getBlob(test.name, function(arr) {
const v = document.createElement("video");
const events = [ "suspend", "play", "canplay", "canplaythrough", "loadstart", "loadedmetadata",
"loadeddata", "playing", "ended", "error", "stalled", "emptied", "abort",
"waiting", "pause", "durationchange", "seeking", "seeked" ];
function logEvent(e) {
info(test.name + ": got " + e.type + " event");
}
events.forEach(function(e) {
v.addEventListener(e, logEvent);
});
once(v, "stalled", function() {
// Resource fetch algorithm in local mode should never fire stalled event.
ok(false, test.name + ": got stalled");
removeNodeAndSource(v);
manager.finished(token);
});
once(v, "canplaythrough", function() {
ok(true, test.name + ": got canplaythrough");
is(v.readyState, v.HAVE_ENOUGH_DATA, test.name + ": readyState is HAVE_ENOUGH_DATA");
removeNodeAndSource(v);
manager.finished(token);
});
const blob = new Blob([arr], {type:test.type});
const blobUrl = URL.createObjectURL(blob);
document.body.appendChild(v);
v.preload = "auto";
v.src = blobUrl;
v.load();
});
}
SimpleTest.waitForExplicitFinish();
// Note: No need to set media test prefs, since we're using XHR to fetch
// media data.
manager.runTests(gSmallTests, startTest);
</script>
</pre>
</body>
</html>