Blitz - WPT: border-width-shorthand.html

wpt / css / css-backgrounds / parsing / border-width-shorthand.html

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

Subtest	Status	Message
e.style['border-width'] = "5px" should set border-bottom-width	PASS
e.style['border-width'] = "5px" should set border-left-width	PASS
e.style['border-width'] = "5px" should set border-right-width	PASS
e.style['border-width'] = "5px" should set border-top-width	PASS
e.style['border-width'] = "5px" should not set unrelated longhands	PASS
e.style['border-width'] = "thick thin" should set border-bottom-width	PASS
e.style['border-width'] = "thick thin" should set border-left-width	PASS
e.style['border-width'] = "thick thin" should set border-right-width	PASS
e.style['border-width'] = "thick thin" should set border-top-width	PASS
e.style['border-width'] = "thick thin" should not set unrelated longhands	PASS
e.style['border-width'] = "thin medium thick" should set border-bottom-width	PASS
e.style['border-width'] = "thin medium thick" should set border-left-width	PASS
e.style['border-width'] = "thin medium thick" should set border-right-width	PASS
e.style['border-width'] = "thin medium thick" should set border-top-width	PASS
e.style['border-width'] = "thin medium thick" should not set unrelated longhands	PASS
e.style['border-width'] = "1px 2px 3px 4px" should set border-bottom-width	PASS
e.style['border-width'] = "1px 2px 3px 4px" should set border-left-width	PASS
e.style['border-width'] = "1px 2px 3px 4px" should set border-right-width	PASS
e.style['border-width'] = "1px 2px 3px 4px" should set border-top-width	PASS
e.style['border-width'] = "1px 2px 3px 4px" should not set unrelated longhands	PASS

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/css/css-backgrounds/parsing/border-width-shorthand.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Backgrounds and Borders Module Level 3: border-width sets longhands</title>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#border-width">
<meta name="assert" content="border-width supports the full grammar '<line-width>{1,4}'.">
<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('border-width', '5px', {
  'border-top-width': '5px',
  'border-right-width': '5px',
  'border-bottom-width': '5px',
  'border-left-width': '5px'
});

test_shorthand_value('border-width', 'thick thin', {
  'border-top-width': 'thick',
  'border-right-width': 'thin',
  'border-bottom-width': 'thick',
  'border-left-width': 'thin'
});

test_shorthand_value('border-width', 'thin medium thick', {
  'border-top-width': 'thin',
  'border-right-width': 'medium',
  'border-bottom-width': 'thick',
  'border-left-width': 'medium'
});

test_shorthand_value('border-width', '1px 2px 3px 4px', {
  'border-top-width': '1px',
  'border-right-width': '2px',
  'border-bottom-width': '3px',
  'border-left-width': '4px'
});
</script>
</body>
</html>