| <!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, window.customElements); |
| |
| 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> |
