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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-transitions/transition-base-response-002.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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+++ b/testing/web-platform/tests/css/css-transitions/transition-base-response-002.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<title>Test that rem units are responsive to transitioning font-size on root</title>
+<link rel="help" href="https://drafts.csswg.org/css-transitions/">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+ :root {
+ font-size: 20px;
+ transition: font-size steps(2, start) 10s;
+ }
+ :root.change {
+ font-size: 30px;
+ }
+
+ #target1 {
+ width: 1rem;
+ }
+</style>
+<div id="target1"></div>
+<output id=output></output>
+<script>
+test(() => {
+ let unused = getComputedStyle(document.documentElement).getPropertyValue('font-size');
+ document.documentElement.className = 'change';
+ assert_equals(getComputedStyle(target1).getPropertyValue('width'), '25px');
+}, 'Transitioning font-size on root affects rem units');
+</script>