wpt / css / css-break / parsing / widows-invalid.html

Status: PASS | Duration: 53ms | Subtests: 5/5 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (5/5)

Data from commit:
1884860 Copy-on-write style attribute blocks that are in the rule tree (#831) (2026-09-02)

SubtestStatusMessage
e.style['widows'] = "auto" should not set the property valuePASS
e.style['widows'] = "1 234" should not set the property valuePASS
e.style['widows'] = "-234" should not set the property valuePASS
e.style['widows'] = "-1" should not set the property valuePASS
e.style['widows'] = "0" should not set the property valuePASS

/css/css-break/parsing/widows-invalid.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Fragmentation Module Level 3: parsing widows with invalid values</title>
<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-widows">
<meta name="assert" content="widows supports only the grammar '<integer>'.">
<meta name="assert" content="Negative values and zero are invalid.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_invalid_value("widows", "auto");
test_invalid_value("widows", "1 234");
test_invalid_value("widows", "-234");
test_invalid_value("widows", "-1");
test_invalid_value("widows", "0");
</script>
</body>
</html>