52 lines
2 KiB
HTML
52 lines
2 KiB
HTML
<!DOCTYPE html>
|
|
<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
|
|
<meta name="assert" content="User code can attach CustomElementRegistry to ShadowRoot">
|
|
<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<body>
|
|
<script>
|
|
function createShadowHost(testObject) {
|
|
let element = document.createElement('div');
|
|
testObject.add_cleanup(() => element.remove());
|
|
document.body.appendChild(element);
|
|
return element;
|
|
}
|
|
|
|
test(function() {
|
|
let host = createShadowHost(this);
|
|
let shadow = host.attachShadow({mode: 'open'});
|
|
assert_equals(shadow.registry, null);
|
|
}, 'ShadowRoot.registry is null if not explicitly specified');
|
|
|
|
test(function() {
|
|
let host = createShadowHost(this);
|
|
let shadow = host.attachShadow({mode: 'open', registry: window.customElements});
|
|
assert_equals(shadow.registry, window.customElements);
|
|
}, 'Attach the global registry to a shadow root');
|
|
|
|
test(function() {
|
|
let host = createShadowHost(this);
|
|
let registry = new CustomElementRegistry();
|
|
let shadow = host.attachShadow({mode: 'open', registry});
|
|
assert_equals(shadow.registry, registry);
|
|
}, 'Attach a non-global registry to a shadow root');
|
|
|
|
test(function() {
|
|
let registry = new CustomElementRegistry();
|
|
let host1 = createShadowHost(this);
|
|
let shadow1 = host1.attachShadow({mode: 'open', registry});
|
|
let host2 = createShadowHost(this);
|
|
let shadow2 = host2.attachShadow({mode: 'open', registry});
|
|
assert_equals(shadow1.registry, registry);
|
|
assert_equals(shadow2.registry, registry);
|
|
}, 'Attach the same registry to multiple shadow roots');
|
|
|
|
test(function() {
|
|
let host = createShadowHost(this);
|
|
let shadow = host.attachShadow({mode: 'open'});
|
|
shadow.registry = new CustomElementRegistry();
|
|
assert_equals(shadow.registry, null);
|
|
}, 'Attaching registry to shadow root can only be done during initialization');
|
|
</script>
|
|
</body>
|