| <!doctype html> |
| <title>Scoped Custom Element Registries: declarative shadow root</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="host"> |
| <template shadowrootmode="open" shadowrootcustomelementregistry> |
| <custom-element></custom-element> |
| <div></div> |
| </template> |
| </div> |
| <script> |
| test(() => { |
| const customElement = host.shadowRoot.firstElementChild; |
| assert_equals(customElement.customElementRegistry, null); |
| customElement.attachShadow({ |
| mode: "open" |
| }); |
| assert_equals(customElement.shadowRoot.customElementRegistry, null); |
| }, "Custom element inside 'shadowrootcustomelementregistry' declarative shadow root"); |
| |
| test(() => { |
| const divElement = host.shadowRoot.lastElementChild; |
| assert_equals(divElement.customElementRegistry, null); |
| divElement.attachShadow({ |
| mode: "open" |
| }); |
| assert_equals(divElement.shadowRoot.customElementRegistry, null); |
| }, "Built-in element inside 'shadowrootcustomelementregistry' declarative shadow root"); |
| </script> |
