chromium/third_party/blink/web_tests/external/wpt/css/css-typed-om/the-stylepropertymap/properties/margin.html

<!doctype html>
<meta charset="utf-8">
<title>margin properties</title>
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../resources/testhelper.js"></script>
<script src="resources/testsuite.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';

for (const suffix of ['top', 'left', 'right', 'bottom']) {
  runPropertyTests('margin-' + suffix, [
    {
      syntax: 'auto',
      // Depending on which CSS spec is implemented, the computed value
      // can be 'auto' or a browser specific value.
      // FIXME: Figure out how to test this.
      computed: () => {}
    },
    { syntax: '<percentage>' },
    { syntax: '<length>' },
  ]);
}

runPropertyTests('margin', []);
runUnsupportedPropertyTests('margin',
  ['1px', '1px 2px 3px 4px']
);

</script>