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

<!doctype html>
<meta charset="utf-8">
<title>'display' property</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';

runPropertyTests('display', [
  { syntax: 'none' },
  { syntax: 'block' },
  { syntax: 'inline' },
  { syntax: 'flow-root' },
  { syntax: 'table' },
  { syntax: 'flex' },
  { syntax: 'grid' },
  { syntax: 'list-item' },
  { syntax: 'table-row-group' },
  { syntax: 'table-header-group' },
  { syntax: 'table-footer-group' },
  { syntax: 'table-row' },
  { syntax: 'table-cell' },
  { syntax: 'table-column-group' },
  { syntax: 'table-column' },
  { syntax: 'table-caption' },
  { syntax: 'contents' },
  { syntax: 'inline-block' },
  { syntax: 'inline-table' },
  { syntax: 'inline-flex' },
  { syntax: 'inline-grid' },
]);

// We can not set 'inline math' or 'math inline' via Typed OM.
// On the other hand, we might get a CSSKeywordValue instance for them instead
// of a CSSStyleValue because they can be represented as just 'math' in
// internal representations.
for (let value of ['inline math', 'math inline']) {
  test(t => {
    let element = createDivWithStyle(t);
    element.style.display = value;
    const result = element.attributeStyleMap.get('display');
    assert_not_equals(result, null);
    assert_in_array({}.toString.call(result),
                    ['[object CSSStyleValue]', '[object CSSKeywordValue]']);
  }, `'display' does not support setting '${value}'`);
}

runUnsupportedPropertyTests('display', [
  'block math', 'math block'
]);

</script>