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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
<!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>
<div id="host-window"><template shadowrootmode="open" shadowrootclonable="true"><a-b></a-b></template></div>
<div id="host-null"><template shadowrootmode="open" shadowrootclonable="true" shadowrootcustomelementregistry=""><a-b></a-b></template></div>
<script>
test(() => {
assert_equals(document.createElement('div').customElementRegistry, window.customElements);
}, 'customElementRegistry on a newly constrcuted element should return window.customElements by default');
test(() => {
const sr = document.getElementById('host-window').shadowRoot;
const ab = sr.querySelector('a-b');
assert_equals(sr.customElementRegistry, window.customElements);
assert_equals(ab.customElementRegistry, window.customElements);
}, 'customElementRegistry on an element inside a declarative shadow DOM should return window.customElements by default');
test(() => {
const sr = document.getElementById('host-null').shadowRoot;
const ab = sr.querySelector('a-b');
assert_equals(sr.customElementRegistry, null);
assert_equals(ab.customElementRegistry, null);
}, 'customElementRegistry on an element inside a declarative shadow DOM with shadowrootcustomelementregistry should return null');
test(() => {
const clone = document.getElementById('host-null').cloneNode(true);
const sr = clone.shadowRoot;
const ab = sr.querySelector('a-b');
assert_equals(sr.customElementRegistry, null);
assert_equals(ab.customElementRegistry, null);
}, 'customElementRegistry on a clone of a declarative shadow tree with shadowrootcustomelementregistry should return null');
test((t) => {
const clone = document.getElementById('host-null').cloneNode(true);
const ab = clone.shadowRoot.querySelector('a-b');
document.body.appendChild(ab);
assert_equals(ab.customElementRegistry, null);
const frame = document.createElement('iframe');
t.add_cleanup(() => frame.remove());
document.body.appendChild(frame);
frame.contentDocument.body.append(ab);
assert_equals(ab.customElementRegistry, frame.contentWindow.customElements);
}, 'customElementRegistry on a clone of a declarative shadow tree with shadowrootcustomelementregistry should return the global registry after getting inserted into a document');
test(() => {
const sr = document.getElementById('host-null').shadowRoot;
const ab = sr.querySelector('a-b');
const registry = new CustomElementRegistry;
registry.initialize(sr);
assert_equals(sr.customElementRegistry, registry);
assert_equals(ab.customElementRegistry, registry);
}, 'customElementRegistry on an element inside a declarative shadow DOM with shadowrootcustomelementregistry should return the scoped registry after calling initialize');
test(() => {
const registry = new CustomElementRegistry;
element = document.createElement('div', {customElementRegistry: registry});
assert_equals(element.customElementRegistry, registry);
}, 'customElementRegistry on a builtin element created by calling createElement on CustomElementRegistry should return the registry');
test(() => {
const registry = new CustomElementRegistry;
element = document.createElement('non-existent', {customElementRegistry: registry});
assert_equals(element.customElementRegistry, registry);
}, 'customElementRegistry on an upgarde candidate created by calling createElement on CustomElementRegistry should return the registry');
test(() => {
const registry = new CustomElementRegistry;
element = document.createElement('nonexistent', {customElementRegistry: registry});
assert_equals(element.customElementRegistry, registry);
}, 'customElementRegistry on an unknown element created by calling createElement on CustomElementRegistry should return the registry');
test(() => {
const registry = new CustomElementRegistry;
registry.define('custom-element', class extends HTMLElement { })
element = document.createElement('custom-element', {customElementRegistry: registry});
assert_equals(element.customElementRegistry, registry);
}, 'customElementRegistry on a defined custom element created by calling createElement on CustomElementRegistry should return the registry');
</script>
</body>
</html>
|
