has.tentative.html | Explore in Territory

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<meta charset="utf-8">
<title>StylePropertyMap.has tests</title>
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#check-if-stylepropertymap-has-a-property">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../resources/testhelper.js"></script>
<body>
<script>
'use strict';

test(t => {
  const styleMap = createInlineStyleMap(t);
  assert_throws_js(TypeError, () => styleMap.has('lemon'));
}, 'Calling StylePropertyMap.has with an unsupported property throws a TypeError');

const gTestCases = [
  { property: 'height', expected: false, desc: 'a property not in the property model' },
  { property: '--Foo', expected: false, desc: 'a custom property not in the property model' },
  { property: 'margin', expected: false, desc: 'a valid property in mixed case' },
  { property: 'width', expected: true, desc: 'a valid property' },
  { property: 'wIdTh', expected: true, desc: 'a valid property in mixed case' },
  { property: '--foo', expected: true, desc: 'a valid custom property' },
  { property: 'transition-duration', expected: true, desc: 'a valid list-valued property' },
];

for (const {property, expected, desc} of gTestCases) {
  test(t => {
    const styleMap = createInlineStyleMap(t, 'width: 10px; --foo: auto; transition-duration: 1s, 2s');
    assert_equals(styleMap.has(property), expected);
  }, 'Calling StylePropertyMap.has with ' + desc + ' returns ' + expected);
}

</script>
chromium/third_party/blink/web_tests/external/wpt/css/css-typed-om/the-stylepropertymap/inline/has.tentative.html
