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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html
parentInitial commit. (diff)
downloadthunderbird-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>
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diff --git a/testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html b/testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html
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+++ b/testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<html style="font-size:16px">
+<head>
+ <title>CSS Values and Units Test: rem subpixel change</title>
+ <link rel="help" href="https://drafts.csswg.org/css-values/#rem">
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+ <div style="font-size:16px">
+ <div id="remElement" style="width: 10rem"></div>
+ </div>
+ <script>
+ test(() => {
+ assert_equals(getComputedStyle(remElement).width, "160px");
+ document.documentElement.style.fontSize = "16.1px";
+ assert_equals(getComputedStyle(remElement).width, "161px");
+ }, "Check that a 0.1px change in root font-size affect rem units.");
+ </script>
+<body>
+</html>