wpt / css / css-flexbox / parsing / flex-computed.html

Status: FAIL | Duration: 55ms | Subtests: 12/14 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (12/14)

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

SubtestStatusMessage
Property flex value 'none'PASS
Property flex value '1'PASS
Property flex value '2 3'PASS
Property flex value '4 5 6px'PASS
Property flex value '7% 8'PASS
Property flex value '8 auto'PASS
Property flex value 'calc(10px + 0.5em)'PASS
Property flex value 'calc(10px - 0.5em)'PASS
Property flex value '1 1 calc(10em)'PASS
Property flex value '1 1 calc(-10em)'PASS
Property flex value 'calc(10 + (sign(20cqw - 10px) * 5)) calc(10 + (sign(20cqw - 10px) * 5)) 1px'FAILassert_true: 'calc(10 + (sign(20cqw - 10px) * 5)) calc(10 + (sign(20cqw - 10px) * 5)) 1px' is a supported value for flex. expected true got false
Property flex value '1 1 calc(10px + (sign(20cqw - 10px) * 5px))'FAILassert_true: '1 1 calc(10px + (sign(20cqw - 10px) * 5px))' is a supported value for flex. expected true got false
Property flex value 'calc(1) calc(2 + 1) calc(3px)'PASS
Property flex value 'calc(-1) calc(-1) 0'PASS

/css/css-flexbox/parsing/flex-computed.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Flexible Box Layout: getComputedStyle().flex</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#propdef-flex">
<meta name="assert" content="flex computed value is specified keywords and/or computed <length-percentage>.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
  #container {
    container-type: inline-size;
    width: 10px;
  }
  #target {
    font-size: 40px;
  }
</style>
</head>
<body>
<div id="container">
    <div id="target"></div>
</div>
<script>
test_computed_value("flex", "none", "0 0 auto");
test_computed_value("flex", "1", "1 1 0%");
test_computed_value("flex", "2 3", "2 3 0%");
test_computed_value("flex", "4 5 6px");
test_computed_value("flex", "7% 8", "8 1 7%");
test_computed_value("flex", "8 auto", "8 1 auto");
test_computed_value("flex", "calc(10px + 0.5em)", "1 1 30px");
test_computed_value("flex", "calc(10px - 0.5em)", "1 1 0px");
test_computed_value("flex", "1 1 calc(10em)", "1 1 400px");
test_computed_value("flex", "1 1 calc(-10em)", "1 1 0px");
test_computed_value("flex", "calc(10 + (sign(20cqw - 10px) * 5)) calc(10 + (sign(20cqw - 10px) * 5)) 1px", "5 5 1px");
test_computed_value("flex", "1 1 calc(10px + (sign(20cqw - 10px) * 5px))", "1 1 5px");
test_computed_value("flex", "calc(1) calc(2 + 1) calc(3px)", "1 3 3px");
test_computed_value("flex", "calc(-1) calc(-1) 0", "0 0 0px");
</script>
</body>
</html>