web-platform-tests/custom-elements/registries/scoped-custom-element-registry-customelementregistry-attribute-in-xhtml.xhtml at 237753bc954244e4fd67183e511a50b9d49397ce · rniwa/web-platform-tests · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
<link rel="help" href="https://html.spec.whatwg.org/multipage/custom-elements.html#dom-customelementregistry-initialize"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
<![CDATA[

customElements.define('c-d', class ABElement extends HTMLElement { });

]]>
</script>
<div id="container"><a-b customelementregistry=""></a-b><c-d customelementregistry=""></c-d></div>
<script>
<![CDATA[

const container = document.getElementById('container');
test((test) => {
    assert_equals(container.querySelector('a-b').customElementRegistry, null);
}, `XHTML parser should create a custom element candidate with null registry if customelementregistry is set`);

test((test) => {
    assert_equals(container.querySelector('c-d').customElementRegistry, null);
}, `XHTML parser should create a defined custom element with null registry if customelementregistry is set`);

test((test) => {
    container.setHTMLUnsafe(`<a-b customelementregistry></a-b>`);
    assert_equals(container.querySelector('a-b').customElementRegistry, null);
}, `XHTML fragment parser should create a custom element candidate with null registry if customelementregistry is set`);

test((test) => {
    container.setHTMLUnsafe(`<c-d></c-d>`);
    assert_equals(container.querySelector('c-d').customElementRegistry, window.customElements);
    container.setHTMLUnsafe(`<c-d customelementregistry></c-d>`);
    assert_equals(container.querySelector('c-d').customElementRegistry, null);
}, `XHTML fragment parser should create a defined custom element with null registry if customelementregistry is set`);

]]>
</script>
</body>
</html>