1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/test/test_load_same_resource.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,86 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<head>
1.7 + <title>Test loading of the same resource in multiple elements</title>
1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.10 + <script type="text/javascript" src="manifest.js"></script>
1.11 +</head>
1.12 +<body>
1.13 +
1.14 +<pre id="test">
1.15 +<script class="testbody" type="text/javascript">
1.16 +
1.17 +var manager = new MediaTestManager;
1.18 +
1.19 +function cloneLoaded(event) {
1.20 + ok(true, "Clone loaded OK");
1.21 + var e = event.target;
1.22 +
1.23 + if (e._expectedDuration) {
1.24 + ok(Math.abs(e.duration - e._expectedDuration) < 0.1,
1.25 + "Clone " + e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration);
1.26 + }
1.27 +
1.28 + e.removeEventListener("loadeddata", cloneLoaded, false);
1.29 + removeNodeAndSource(e);
1.30 + manager.finished(e.token);
1.31 +}
1.32 +
1.33 +function tryClone(event) {
1.34 + var e = event.target;
1.35 + var clone = e.cloneNode(false);
1.36 + clone.token = e.token;
1.37 +
1.38 + if (e._expectedDuration) {
1.39 + ok(Math.abs(e.duration - e._expectedDuration) < 0.1,
1.40 + e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration);
1.41 + clone._expectedDuration = e._expectedDuration;
1.42 + }
1.43 +
1.44 + clone.addEventListener("loadeddata", cloneLoaded, false);
1.45 + clone.onloadstart = function(evt) {
1.46 + info("cloned " + evt.target.token + " start loading.");
1.47 + evt.target.onloadstart = null;
1.48 + // Since there is only one H264 decoder instance, we have to delete the
1.49 + // decoder of the original element for the cloned element to load. However,
1.50 + // we can't delete the decoder too early otherwise cloning decoder will
1.51 + // fail to kick in. We wait for 'loadstart' event of the cloned element to
1.52 + // know when the decoder is already cloned and we can delete the decoder of
1.53 + // the original element.
1.54 + removeNodeAndSource(e);
1.55 + }
1.56 +
1.57 + e.removeEventListener("loadeddata", tryClone, false);
1.58 +}
1.59 +
1.60 +// This test checks that loading the same URI twice in different elements at the same time
1.61 +// uses the same resource without doing another network fetch. One of the gCloneTests
1.62 +// uses dynamic_resource.sjs to return one resource on the first fetch and a different resource
1.63 +// on the second fetch. These resources have different lengths, so if the cloned element
1.64 +// does a network fetch it will get a resource with the wrong length and we get a test
1.65 +// failure.
1.66 +
1.67 +function initTest(test, token) {
1.68 + var elemType = /^audio/.test(test.type) ? "audio" : "video";
1.69 + var e = document.createElement(elemType);
1.70 + e.preload = "auto";
1.71 + if (e.canPlayType(test.type)) {
1.72 + e.src = test.name;
1.73 + if (test.duration) {
1.74 + e._expectedDuration = test.duration;
1.75 + }
1.76 + ok(true, "Trying to load " + test.name);
1.77 + e.addEventListener("loadeddata", tryClone, false);
1.78 + e.load();
1.79 + e.token = token;
1.80 + manager.started(token);
1.81 + }
1.82 +}
1.83 +
1.84 +manager.runTests(gCloneTests, initTest);
1.85 +
1.86 +</script>
1.87 +</pre>
1.88 +</body>
1.89 +</html>
