CustomElementRegistry-define.tentative.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /custom-elements/revamped-scoped-registry/CustomElementRegistry-define.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">

<link rel="help" href="https://github.com/whatwg/html/issues/10854">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

</head>

<body>

<script>

test(() => {

    let registry = new CustomElementRegistry();

    assert_not_equals(registry, window.customElements);

}, 'Create a CustomElementRegistry not identically equal to window.customElements');

test(() => {

    let registry = new CustomElementRegistry();

    window.customElements.define('a-b', class extends HTMLElement {});

    assert_equals(registry.get('a-b'), undefined);

}, 'Defining an element in the global registry does not add a definition to a scoped CustomElementRegistry');

test(() => {

    let registry = new CustomElementRegistry();

    registry.define('b-c', class extends HTMLElement {});

    assert_equals(window.customElements.get('b-c'), undefined);

}, 'Defining an element in a scoped global registry does not add a definition to the global registry');

</script>

</body>

</html>