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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html')
| -rw-r--r-- | testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html b/testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html new file mode 100644 index 0000000000..11ae277c41 --- /dev/null +++ b/testing/web-platform/tests/shadow-dom/Element-interface-attachShadow-custom-element.html @@ -0,0 +1,101 @@ +<!DOCTYPE html> +<title>Shadow DOM: Attaching a ShadowRoot for custom elements</title> +<meta name="author" title="Hayato Ito" href="mailto:hayato@chromium.org"> +<link rel="help" href="https://dom.spec.whatwg.org/#dom-element-attachshadow"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +class MyAutonomousCustomElement extends HTMLElement { +} + +customElements.define('my-custom', MyAutonomousCustomElement); + +test(() => { + assert_true(document.createElement('my-custom').attachShadow({mode: "open"}) instanceof ShadowRoot); +}, 'Element.attachShadow must create an instance of ShadowRoot for autonomous custom elements'); + +test(() => { + assert_true(document.createElement('undefined-custom').attachShadow({mode: 'open'}) instanceof ShadowRoot); +}, 'Element.attachShadow must create an instance of ShadowRoot for undefined autonomous custom elements'); + +test(() => { + class ShadowDisabledElement extends HTMLElement { + static get disabledFeatures() { return ['shadow']; } + } + + // No definition. attachShadow() should succeed. + let element = document.createElement('shadow-disabled-element'); + element.attachShadow({mode: 'closed'}); + + // No definition and it's already a host. + assert_throws_dom('NotSupportedError', () => { + element.attachShadow({mode: 'closed'}); + }, 'No definition, host'); + + // The element has a definition, and it's already a host. + customElements.define('shadow-disabled-element', ShadowDisabledElement); + assert_throws_dom('NotSupportedError', () => { + element.attachShadow({mode: 'closed'}); + }, 'Definition, host'); + + // The element has a definition, and it's not a host. + assert_throws_dom('NotSupportedError', () => { + document.createElement('shadow-disabled-element').attachShadow({mode: 'closed'}); + }, 'Definition, not a host'); +}, 'Element.attachShadow for an autonomous custom element with ' + + 'disabledFeatures=["shadow"] should throw a NotSupportedError'); + +test(() => { + class ShadowDisabledHeadingElement extends HTMLHeadingElement { + static get disabledFeatures() { return ['shadow']; } + } + + // No definition. attachShadow() should succeed. + let element = document.createElement('h2', + {is: 'shadow-disabled-heading-element'}); + element.attachShadow({mode: 'closed'}); + + // No definition and it's already a host. + assert_throws_dom('NotSupportedError', () => { + element.attachShadow({mode: 'closed'}); + }, 'No definition, host.'); + + // The element has a definition, and it's already a host. + customElements.define('shadow-disabled-heading-element', + ShadowDisabledHeadingElement, {extends: 'h2'}); + assert_throws_dom('NotSupportedError', () => { + element.attachShadow({mode: 'closed'}); + }, 'Definition, host'); + + // The element has a definition, and it's not a host. + let h2 = document.createElement('h2', {is: 'shadow-disabled-heading-element'}); + assert_throws_dom('NotSupportedError', () => { + h2.attachShadow({mode: 'closed'}); + }, 'Definition, not a host'); +}, 'Element.attachShadow for a customized built-in element with ' + + 'disabledFeatures=["shadow"] should throw a NotSupportedError'); + +test(() => { + class CapitalShadowDisabledElement extends HTMLElement { + static get disabledFeatures() { return ['SHADOW']; } + } + + customElements.define('capital-shadow-disabled-element', CapitalShadowDisabledElement); + + // Test fails if this throws + document.createElement('capital-shadow-disabled-element').attachShadow({mode: 'open'}); +}, 'Element.attachShadow for a custom element with disabledFeatures=["SHADOW"] should not throw a NotSupportedError'); + +class MyCustomizedBuiltinElement extends HTMLInputElement { +} + +customElements.define('my-input', MyCustomizedBuiltinElement, { extends: 'input' }); + +test(() => { + assert_throws_dom('NotSupportedError', () => { + document.createElement('input', {is: 'my-input'}).attachShadow({mode: "open"}); + }); +}, 'Element.attachShadow must throw a NotSupportedError for customized built-in elements'); +</script> +</body> +</html> |