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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html b/testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html new file mode 100644 index 0000000000..43ea55a67e --- /dev/null +++ b/testing/web-platform/tests/custom-elements/HTMLElement-attachInternals.html @@ -0,0 +1,82 @@ +<!DOCTYPE html> +<body> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" content="https://html.spec.whatwg.org/multipage/custom-elements.html#dom-attachinternals"> +<div id="container"></div> +<script> +test(() => { + class MyElement1 extends HTMLElement { + } + customElements.define('my-element1', MyElement1); + const container = document.querySelector('#container'); + + let element = new MyElement1(); + assert_true(element.attachInternals() instanceof ElementInternals, + 'New - 1st call'); + assert_throws_dom('NotSupportedError', () => { element.attachInternals(); }, + 'New - 2nd call'); + + element = document.createElement('my-element1'); + assert_true(element.attachInternals() instanceof ElementInternals, + 'createElement - 1st call'); + assert_throws_dom('NotSupportedError', () => { element.attachInternals(); }, + 'createElement - 2nd call'); + + container.innerHTML = '<my-element1></my-element1>'; + assert_true(container.firstChild.attachInternals() instanceof ElementInternals, + 'Parser - 1st call'); + assert_throws_dom('NotSupportedError', () => { + container.firstChild.attachInternals(); + }, 'Parser - 2nd call'); +}, 'Successful attachInternals() and the second call.'); + +test(() => { + class MyDiv extends HTMLDivElement {} + customElements.define('my-div', MyDiv, { extends: 'div' }); + const customizedBuiltin = document.createElement('div', { is: 'my-div'}); + assert_throws_dom('NotSupportedError', () => { customizedBuiltin.attachInternals() }); +}, 'attachInternals() throws a NotSupportedError if it is called for ' + + 'a customized built-in element'); + +test(() => { + const builtin = document.createElement('div'); + assert_throws_dom('NotSupportedError', () => { builtin.attachInternals() }); + + const doc = document.implementation.createDocument('foo', null); + const span = doc.appendChild(doc.createElementNS('http://www.w3.org/1999/xhtml', 'html:span')); + assert_true(span instanceof HTMLElement); + assert_throws_dom('NotSupportedError', () => { span.attachInternals(); }); + + const undefinedCustom = document.createElement('undefined-element'); + assert_throws_dom('NotSupportedError', () => { undefinedCustom.attachInternals() }); +}, 'If a custom element definition for the local name of the element doesn\'t' + + ' exist, throw an NotSupportedError'); + +test(() => { + class MyElement2 extends HTMLElement { + static get disabledFeatures() { return ['internals']; } + } + customElements.define('my-element2', MyElement2); + const container = document.querySelector('#container'); + + assert_throws_dom('NotSupportedError', () => { + (new MyElement2).attachInternals(); + }); + assert_throws_dom('NotSupportedError', () => { + document.createElement('my-element2').attachInternals(); + }); + assert_throws_dom('NotSupportedError', () => { + container.innerHTML = '<my-element2></my-element2>'; + container.firstChild.attachInternals(); + }); + + class MyElement3 extends HTMLElement { + static get disabledFeatures() { return ['INTERNALS']; } + } + customElements.define('my-element3', MyElement3); + assert_true((new MyElement3).attachInternals() instanceof ElementInternals); +}, 'If a custom element definition for the local name of the element has ' + + 'disable internals flag, throw a NotSupportedError'); +</script> +</body> |