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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/media/test/test_streams_srcObject.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<title>Test interactions of src and srcObject</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 onload="doTests()">
<audio id="a1"></audio>
<audio id="a2"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var doTest = srcObject => new Promise(resolve => {
var a = document.getElementById('a1');
a.src = getPlayableAudio(gSmallTests).name;
var b = new Audio();
var newSrc = a.src + "?2";
b.src = newSrc;
is(b[srcObject], null, "Initial srcObject is null");
var stream = a.mozCaptureStream();
b[srcObject] = stream;
is(b[srcObject], stream, "Stream set correctly");
try {
b[srcObject] = "invalid";
ok(false, "Setting srcObject to an invalid value should throw.");
} catch (e) {
ok(e instanceof TypeError, "Exception should be a TypeError");
}
is(b[srcObject], stream, "Stream not set to invalid value");
is(b.src, newSrc, "src attribute not affected by setting srcObject");
var step = 0;
b.addEventListener("loadedmetadata", function() {
if (step == 0) {
is(b.currentSrc, "", "currentSrc set to empty string while playing srcObject");
b[srcObject] = null;
is(b[srcObject], null, "Stream set to null");
// The resource selection algorithm will run again and choose b.src
} else if (step == 1) {
is(b.currentSrc, b.src, "currentSrc set to src now that srcObject is null");
resolve();
}
++step;
});
a.play();
b.play();
});
// TODO: remove prefixed version soon (1183495).
var doTests = () => doTest("srcObject").then(() => doTest("mozSrcObject"))
.catch(e => ok(false, "Unexpected error: " + e))
.then(() => SimpleTest.finish())
.catch(e => ok(false, "Coding error: " + e));
</script>
</pre>
</body>
</html>