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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| 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/slotchange-customelements.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/slotchange-customelements.html')
| -rw-r--r-- | testing/web-platform/tests/shadow-dom/slotchange-customelements.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/shadow-dom/slotchange-customelements.html b/testing/web-platform/tests/shadow-dom/slotchange-customelements.html new file mode 100644 index 0000000000..b0cf93277d --- /dev/null +++ b/testing/web-platform/tests/shadow-dom/slotchange-customelements.html @@ -0,0 +1,55 @@ +<!DOCTYPE html> +<html> +<head> +<title>Shadow DOM: slotchange customelements</title> +<meta name="author" title="Surma" href="mailto:surma@google.com"> +<link rel="help" href="https://dom.spec.whatwg.org/#signaling-slot-change"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +</head> +<body> +<slots-in-constructor id="constructor-upgrade"><div></div></slots-in-constructor> +<slots-in-callback id="callback-upgrade"><div></div></slots-in-callback> +<script> +var calls = []; +class SlotsInConstructor extends HTMLElement { + constructor() { + super(); + this.attachShadow({mode: 'open'}); + this.shadowRoot.innerHTML = '<slot></slot>'; + var slot = this.shadowRoot.children[0]; + slot.addEventListener('slotchange', function() { + calls.push(this.id); + }.bind(this)); + } +} +customElements.define('slots-in-constructor', SlotsInConstructor); +class SlotsInCallback extends HTMLElement { + constructor() { + super(); + } + + connectedCallback() { + this.attachShadow({mode: 'open'}); + this.shadowRoot.innerHTML = '<slot></slot>'; + var slot = this.shadowRoot.children[0]; + slot.addEventListener('slotchange', function() { + calls.push(this.id); + }.bind(this)); + } +} +customElements.define('slots-in-callback', SlotsInCallback); +</script> +<slots-in-constructor id="constructor-parser"><div></div></slots-in-constructor> +<slots-in-callback id="callback-parser"><div></div></slots-in-callback> +<script> +test(function () { + assert_true(calls.includes("constructor-parser")); + assert_true(calls.includes("callback-parser")); + assert_true(calls.includes("constructor-upgrade")); + assert_true(calls.includes("callback-upgrade")); +}, 'slotchange must fire on initialization of custom elements with slotted children'); +done(); +</script> +</body> +</html> |