Blitz - WPT: background-position-invalid.html

wpt / css / css-backgrounds / parsing / background-position-invalid.html

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

Subtest	Status	Message
e.style['background-position'] = "left right" should not set the property value	PASS
e.style['background-position'] = "top bottom" should not set the property value	PASS
e.style['background-position'] = "1% center 2px" should not set the property value	PASS
e.style['background-position'] = "right 7% 50%" should not set the property value	PASS
e.style['background-position'] = "50% top 8px" should not set the property value	PASS
e.style['background-position'] = "left 10px 50%" should not set the property value	PASS
e.style['background-position'] = "right 11% 100%" should not set the property value	PASS
e.style['background-position'] = "100% top 14%" should not set the property value	PASS
e.style['background-position'] = "50% top 15px" should not set the property value	PASS
e.style['background-position'] = "0% bottom 16%" should not set the property value	PASS
e.style['background-position'] = "right 19% 100%" should not set the property value	PASS

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/css/css-backgrounds/parsing/background-position-invalid.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Backgrounds and Borders Module Level 3: parsing background-position with invalid values</title>
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background-position">
<meta name="assert" content="background-position supports only the grammar '<bg-position>'.">
<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("background-position", "left right");
test_invalid_value("background-position", "top bottom");
test_invalid_value("background-position", "1% center 2px");
test_invalid_value("background-position", "right 7% 50%");
test_invalid_value("background-position", "50% top 8px");
test_invalid_value("background-position", "left 10px 50%");
test_invalid_value("background-position", "right 11% 100%");
test_invalid_value("background-position", "100% top 14%");
test_invalid_value("background-position", "50% top 15px");
test_invalid_value("background-position", "0% bottom 16%");
test_invalid_value("background-position", "right 19% 100%");
</script>
</body>
</html>