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Test Info: Warnings
- This test has a WPT meta file that expects 7 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /custom-elements/registries/template.window.html - WPT Dashboard Interop Dashboard
test(() => {
const template = document.createElement("template");
assert_false(template.hasAttribute("shadowrootcustomelementregistry"));
assert_equals(template.shadowRootCustomElementRegistry, "");
template.shadowRootCustomElementRegistry = "blah";
assert_equals(template.getAttribute("shadowrootcustomelementregistry"), "blah");
assert_equals(template.shadowRootCustomElementRegistry, "blah");
}, "shadowRootCustomElementRegistry reflects as string");
test(() => {
const div = document.createElement("div");
div.setHTMLUnsafe(`<span><template shadowrootmode=open shadowrootcustomelementregistry shadowrootserializable></template></span>`);
assert_equals(div.firstChild.firstChild, null);
assert_equals(div.getHTML({ serializableShadowRoots: true }), "<span><template shadowrootmode=\"open\" shadowrootserializable=\"\" shadowrootcustomelementregistry=\"\"></template></span>");
}, "Serializing a null registry ShadowRoot with a global registry host (document)");
test(() => {
const div = document.createElement("div");
div.setHTMLUnsafe(`<span><template shadowrootmode=open shadowrootserializable></template></span>`);
assert_equals(div.firstChild.firstChild, null);
assert_equals(div.firstChild.shadowRoot.customElementRegistry, customElements);
assert_equals(div.getHTML({ serializableShadowRoots: true }), "<span><template shadowrootmode=\"open\" shadowrootserializable=\"\"></template></span>");
}, "Serializing a global registry ShadowRoot with a global registry host (document)");
test(() => {
const div = document.createElement("div");
div.setHTMLUnsafe(`<span><template shadowrootmode=open shadowrootcustomelementregistry shadowrootserializable></template></span>`);
const registry = new CustomElementRegistry();
registry.initialize(div.firstChild.shadowRoot);
assert_equals(div.firstChild.shadowRoot.customElementRegistry, registry);
assert_equals(div.getHTML({ serializableShadowRoots: true }), "<span><template shadowrootmode=\"open\" shadowrootserializable=\"\" shadowrootcustomelementregistry=\"\"></template></span>");
}, "Serializing a scoped registry ShadowRoot with a global registry host (document)");
test(() => {
const div = document.implementation.createHTMLDocument().createElement("div");
assert_equals(div.customElementRegistry, null);
div.setHTMLUnsafe(`<span><template shadowrootmode=open shadowrootcustomelementregistry shadowrootserializable></template></span>`);
assert_equals(div.firstChild.shadowRoot.customElementRegistry, null);
assert_equals(div.getHTML({ serializableShadowRoots: true }), "<span><template shadowrootmode=\"open\" shadowrootserializable=\"\"></template></span>");
}, "Serializing a null registry ShadowRoot with a null registry host (document)");
test(() => {
const div = document.implementation.createHTMLDocument().createElement("div");
assert_equals(div.customElementRegistry, null);
div.setHTMLUnsafe(`<span><template shadowrootmode=open shadowrootcustomelementregistry shadowrootserializable></template></span>`);
const registry = new CustomElementRegistry();
registry.initialize(div.firstChild.shadowRoot);
assert_equals(div.firstChild.shadowRoot.customElementRegistry, registry);
assert_equals(div.getHTML({ serializableShadowRoots: true }), "<span><template shadowrootmode=\"open\" shadowrootserializable=\"\" shadowrootcustomelementregistry=\"\"></template></span>");
}, "Serializing a scoped registry ShadowRoot with a null registry host (document)");
test(() => {
const registry = new CustomElementRegistry();
const hostDocument = document.implementation.createHTMLDocument();
registry.initialize(hostDocument);
assert_equals(hostDocument.customElementRegistry, registry);
const host = hostDocument.createElement('div');
assert_equals(host.customElementRegistry, registry);
const shadow = host.attachShadow({ mode: "closed", serializable: true, customElementRegistry: null });
assert_equals(shadow.customElementRegistry, null);
assert_equals(host.getHTML({ serializableShadowRoots: true }), `<template shadowrootmode="closed" shadowrootserializable="" shadowrootcustomelementregistry=""></template>`);
}, "Serializing a null registry ShadowRoot with a scoped registry host (document)");
test(() => {
const registry = new CustomElementRegistry();
const hostDocument = document.implementation.createHTMLDocument();
registry.initialize(hostDocument);
assert_equals(hostDocument.customElementRegistry, registry);
const host = hostDocument.createElement('div');
assert_equals(host.customElementRegistry, registry);
const shadow = host.attachShadow({ mode: "closed", serializable: true, customElementRegistry: registry });
assert_equals(shadow.customElementRegistry, registry);
assert_equals(host.getHTML({ serializableShadowRoots: true }), `<template shadowrootmode="closed" shadowrootserializable="" shadowrootcustomelementregistry=""></template>`);
}, "Serializing a scoped registry ShadowRoot with a scoped registry host (document)");
test(() => {
const registry = new CustomElementRegistry();
const element = document.createElement('a-b', { customElementRegistry: registry });
element.setHTMLUnsafe(`<a-b><template shadowrootmode="open"></template></a-b>`);
assert_equals(element.firstChild.customElementRegistry, registry);
assert_equals(element.firstChild.shadowRoot.customElementRegistry, customElements);
}, "A declarative shadow root gets its default registry from its node document");