1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
<!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(() => {
assert_equals(document.customElementRegistry, window.customElements);
}, 'customElementRegistry on a document should return window.customElements by default');
test(() => {
const doc = document.implementation.createHTMLDocument('foo')
assert_equals(doc.customElementRegistry, null);
}, 'customElementRegistry on a document without a browsing context should return null');
test((t) => {
const frame = document.createElement('iframe');
t.add_cleanup(() => frame.remove());
document.body.appendChild(frame);
assert_equals(frame.contentDocument.customElementRegistry, frame.contentWindow.customElements);
}, 'customElementRegistry on a document of a connected iframe should return contentWindow.customElements');
test((t) => {
const frame = document.createElement('iframe');
document.body.appendChild(frame);
const doc = frame.contentDocument;
const registry = frame.contentWindow.customElements;
frame.remove();
assert_equals(doc.customElementRegistry, registry);
}, 'customElementRegistry on a document of a disconnected iframe should return contentWindow.customElements');
</script>
</body>
</html>
|
