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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-shadow-parts/host-part-001.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!doctype html>
+<title>CSS Shadow Parts - :host::part()</title>
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="help" href="https://drafts.csswg.org/css-shadow-parts/#part">
+<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1624968">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=980506">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="host"></div>
+<script>
+test(function() {
+ let host = document.getElementById("host");
+ host.attachShadow({ mode: "open" }).innerHTML = `
+ <style>
+ :host::part(mypart) {
+ color: lime;
+ }
+ :host(.tweak)::part(mypart) {
+ color: blue;
+ }
+ </style>
+ <div part="mypart"></div>
+ `;
+
+ let part = host.shadowRoot.querySelector("[part]");
+
+ assert_equals(
+ window.getComputedStyle(part).color,
+ "rgb(0, 255, 0)",
+ ":host::part() works",
+ );
+
+ host.classList.add("tweak");
+
+ assert_equals(
+ window.getComputedStyle(part).color,
+ "rgb(0, 0, 255)",
+ ":host::part() invalidation works properly",
+ );
+}, ":host::part works");
+</script>