mozilla-central: testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html@a5500d271fe3a1fefb4d81d96fc4abd00d9eade7

Mercurial > mozilla-central / file revision / testing/web-platform/tests/css/css-values/update-subpixel-rem-unit.html@a5500d271fe3a1fefb4d81d96fc4abd00d9eade7

author	dadaa <daisuke.akatsuka@birchill.co.jp>
	Wed, 09 Jul 2025 04:53:58 +0000 (16 hours ago)
changeset 795836	a5500d271fe3a1fefb4d81d96fc4abd00d9eade7
parent 517347	3efbb0e34773a7912d323e9bbe7fe61d1ea48556
permissions	-rw-r--r--

Bug 1957280: Limit user's mouse amount for tree component r=places-reviewers,reusable-components-reviewers,masayuki,mstriemer Differential Revision: https://phabricator.services.mozilla.com/D251224

<!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>