Blitz - WPT: gap-decorations-col-rule-width.html

wpt / css / css-gaps / parsing / gap-decorations-col-rule-width.html

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

Subtest	Status	Message
`column-rule-width` should be independent of column-rule-style, hence should be as specified.	PASS
`column-rule-width` should be as specified regardless of `column-rule-style` with multiple values	FAIL	assert_equals: expected "5px, 10px, 15px" but got ""
`column-rule-width` should be as specified regardless of `column-rule-style` with multiple (repeat) values	FAIL	assert_equals: expected "repeat(auto, 5px)" but got ""

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/css/css-gaps/parsing/gap-decorations-col-rule-width.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Gap Decorations: Ensure getComputedStyle for column-rule-width is as specified with multiple values</title>
<link rel="help" href="https://drafts.csswg.org/css-gaps-1/#column-row-rule-width">
<link rel="author" title="Sam Davis Omekara Jr." href="mailto:samomekarajr@microsoft.com">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
</head>
<body>
<div id="target1"></div>
<div id="target2"></div>
<div id="target3"></div>
<style>
  #target1 {
    column-rule-width: thin;
  }

  #target2 {
    column-rule-width: 5px, 10px, 15px;
  }

  #target3 {
    column-rule-width: repeat(auto, 5px);
  }
</style>
<script>
  test(function() {
    const containerStyle = window.getComputedStyle(document.querySelector('#target1'));

    const thinWidth = getComputedStyle(document.getElementById('target1')).columnRuleWidth; // e.g. 1px
    const columnRuleWidth = containerStyle.getPropertyValue('column-rule-width');
    assert_equals(columnRuleWidth, thinWidth);

  }, "`column-rule-width` should be independent of column-rule-style, hence should be as specified.");

  test(function() {
    const containerStyle = window.getComputedStyle(document.querySelector('#target2'));
    const columnRuleWidth = containerStyle.getPropertyValue('column-rule-width');
    assert_equals(columnRuleWidth, '5px, 10px, 15px');

  }, "`column-rule-width` should be as specified regardless of `column-rule-style` with multiple values");

  test(function() {
    const containerStyle = window.getComputedStyle(document.querySelector('#target3'));
    const columnRuleWidth = containerStyle.getPropertyValue('column-rule-width');
    assert_equals(columnRuleWidth, 'repeat(auto, 5px)');

  }, "`column-rule-width` should be as specified regardless of `column-rule-style` with multiple (repeat) values");
</script>
</body>
</html>