| <!DOCTYPE html> |
| <title>Custom Elements: document.createElementNS should support custom elements</title> |
| <link rel="help" content="https://dom.spec.whatwg.org/#concept-create-element"> |
| <link rel="help" content="https://dom.spec.whatwg.org/#internal-createelementns-steps"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(() => { |
| class MyElement extends HTMLElement {}; |
| |
| customElements.define('my-autonomous', MyElement); |
| let element = document.createElementNS('http://www.w3.org/1999/xhtml', 'p:my-autonomous'); |
| assert_true(element instanceof MyElement); |
| assert_equals(element.prefix, 'p'); |
| }, 'autonomous: document.createElementNS should create custom elements with prefixes.'); |
| |
| test(() => { |
| class MyElement2 extends HTMLElement {}; |
| |
| customElements.define('my-autonomous2', MyElement2); |
| let element = document.createElementNS('urn:example', 'my-autonomous2'); |
| assert_false(element instanceof MyElement2); |
| }, 'autonomous: document.createElementNS should check namespaces.'); |
| |
| test(() => { |
| const xhtmlNS = 'http://www.w3.org/1999/xhtml'; |
| assert_false(document.createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement); |
| assert_false(document.createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement); |
| assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement); |
| assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement); |
| }, 'autonomous: document.createElementNS should not create HTMLUnknownElement for a valid custom element name'); |
| |
| test(() => { |
| class MyElement3 extends HTMLElement {}; |
| customElements.define('my-autonomous3', MyElement3); |
| |
| const instance = document.createElementNS('http://www.w3.org/1999/xhtml', 'my-autonomous3', undefined); |
| assert_true(instance instanceof MyElement3); |
| }, 'autonomous: document.createElementNS with undefined options value should be upgraded.'); |
| |
| </script> |
| </body> |