wpt / css / css-masking / parsing / mask-size-invalid.html

Status: PASS | Duration: 54ms | Subtests: 3/3 | Open test on wpt.live | wpt.fyi

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

SubtestStatusMessage
e.style['mask-size'] = "-1px" should not set the property valuePASS
e.style['mask-size'] = "2% -3%" should not set the property valuePASS
e.style['mask-size'] = "1px 2px 3px" should not set the property valuePASS

/css/css-masking/parsing/mask-size-invalid.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Masking Module Level 1: parsing mask-size with invalid values</title>
<link rel="author" title="Sam Weinig" href="mailto:sam@webkit.org">
<link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-size">
<meta name="assert" content="mask-size supports only the grammar '<bg-size>#'.">
<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("mask-size", "-1px");
test_invalid_value("mask-size", "2% -3%");
test_invalid_value("mask-size", "1px 2px 3px");
</script>
</body>
</html>