chromium/third_party/blink/web_tests/external/wpt/css/motion/parsing/offset-shorthand.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Motion Path Module Level 1: offset sets longhands</title>
<link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-shorthand">
<meta name="assert" content="offset supports the full grammar from the spec.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/shorthand-testcommon.js"></script>
</head>
<body>
<script>
test_shorthand_value('offset', 'left bottom ray(0rad closest-corner) 10px auto 30deg / right bottom', {
  'offset-position': 'left bottom',
  'offset-path': 'ray(0rad closest-corner)',
  'offset-distance': '10px',
  'offset-rotate': 'auto 30deg',
  'offset-anchor': 'right bottom',
});

test_shorthand_value('offset', 'top right / top left', {
  'offset-position': 'right top',
  'offset-path': 'none',
  'offset-distance': '0px',
  'offset-rotate': 'auto',
  'offset-anchor': 'left top',
});

test_shorthand_value('offset', 'path("M 0 0 H 2") reverse 50%', {
  'offset-position': 'normal',
  'offset-path': 'path("M 0 0 H 2")',
  'offset-distance': '50%',
  'offset-rotate': 'reverse',
  'offset-anchor': 'auto',
});
</script>
</body>
</html>