line-height.html | Explore in Territory

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Animations: line-height animations respond to style changes</title>
<link rel="help" href="https://drafts.csswg.org/css-inline/#line-height-property">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  #target {
    animation-name: line-height-animation;
    animation-duration: 4s;
    animation-timing-function: linear;
    animation-delay: -2s;
    animation-play-state: paused;
  }
  @keyframes line-height-animation {
    from { line-height: inherit; }
    to { line-height: 20px; }
  }
</style>
</head>
<body>
<div id="container">
  <div id="target"></div>
</div>
<script>
'use strict';
const container = document.getElementById('container');
const target = document.getElementById('target');

test(() => {
  container.style.lineHeight = '100px';
  assert_equals(getComputedStyle(target).lineHeight, '60px');

  container.style.lineHeight = '50px';
  assert_equals(getComputedStyle(target).lineHeight, '35px');

  container.style.lineHeight = '100px';
  assert_equals(getComputedStyle(target).lineHeight, '60px');
}, 'line-height responds to inherited changes');

</script>
</body>
</html>
chromium/third_party/blink/web_tests/external/wpt/css/css-animations/responsive/line-height.html
