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44 lines
1.5 KiB
HTML
44 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CSS Multi-column Layout: getComputedStyle().columnRuleWidth</title>
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<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width">
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<meta name="assert" content="column-rule-width computed value is absolute length.">
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<meta name="assert" content="column-rule-width computed value is 0 if the column rule style is none or hidden.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/computed-testcommon.js"></script>
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</head>
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<body>
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<div id="target"></div>
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<style>
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#target {
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font-size: 40px;
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column-rule-style: dotted;
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}
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</style>
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<script>
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test_computed_value("column-rule-width", "calc(10px + 0.5em)", "30px");
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test_computed_value("column-rule-width", "calc(10px - 0.5em)", "0px");
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// thin, medium, thick computed values not yet tested
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test(() => {
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target.style.columnRuleWidth = '10px';
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assert_equals(getComputedStyle(target).columnRuleWidth, '10px');
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target.style.columnRuleStyle = 'none';
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assert_equals(getComputedStyle(target).columnRuleWidth, '0px');
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target.style.columnRuleStyle = 'outset';
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assert_equals(getComputedStyle(target).columnRuleWidth, '10px');
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target.style.columnRuleStyle = 'hidden';
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assert_equals(getComputedStyle(target).columnRuleWidth, '0px');
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target.style.columnRuleStyle = '';
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}, 'column-rule-width is 0 when column-rule-style is none or hidden');
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</script>
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</body>
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</html>
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