Mypal/dom/tests/mochitest/webcomponents/test_custom_element_import_node_created_callback.html
2019-03-11 13:26:37 +03:00

35 lines
1.2 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1093680
-->
<head>
<title>Test created callback order for imported custom element.</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<template id="template"><x-foo><span></span></x-foo></template>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1093680">Bug 1093680</a>
<script>
var fooProtoCreatedCallbackCalled = false;
var fooProto = Object.create(HTMLElement.prototype);
fooProto.createdCallback = function() {
ok(this.firstElementChild, "When the created callback is called, the element should already have a child because the callback should only be called after cloning all the contents.");
fooProtoCreatedCallbackCalled = true;
};
document.registerElement("x-foo", { prototype: fooProto });
var template = document.getElementById("template");
// Importing node will implicityly clone the conent in the main document.
var adoptedFoo = document.importNode(template.content, true);
ok(fooProtoCreatedCallbackCalled, "Created callback should be called after importing custom element into document");
</script>
</body>
</html>