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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/tests/mochitest/webcomponents/test_document_register_base_queue.html Normal file
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=783129
-->
<head>
<title>Test for document.registerElement lifecycle callback</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script>
var p = Object.create(HTMLElement.prototype);
var createdCallbackCallCount = 0;
// By the time the base element queue is processed via the microtask,
// both x-hello elements should be in the document.
p.createdCallback = function() {
var one = document.getElementById("one");
var two = document.getElementById("two");
isnot(one, null, "First x-hello element should be in the tree.");
isnot(two, null, "Second x-hello element should be in the tree.");
createdCallbackCallCount++;
if (createdCallbackCallCount == 2) {
SimpleTest.finish();
}
if (createdCallbackCallCount > 2) {
ok(false, "Created callback called too much.");
}
};
p.attributeChangedCallback = function(name, oldValue, newValue) {
ok(false, "Attribute changed callback should not be called because callbacks should not be queued until created callback invoked.");
};
document.registerElement("x-hello", { prototype: p });
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=783129">Bug 783129</a>
<x-hello id="one"></x-hello>
<x-hello id="two"></x-hello>
<script>
</script>
</body>
</html>