80 lines
1.5 KiB
HTML
80 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>column-count interpolation</title>
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<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#cc">
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<meta name="assert" content="column-count supports animation by computed value">
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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/interpolation-testcommon.js"></script>
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<style>
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.parent {
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column-count: 30;
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}
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.target {
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column-count: 10;
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}
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</style>
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<body></body>
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<script>
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test_interpolation({
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property: 'column-count',
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from: neutralKeyframe,
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to: '20',
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}, [
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{at: -0.5, expect: '5'},
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{at: 0, expect: '10'},
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{at: 0.3, expect: '13'},
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{at: 0.7, expect: '17'},
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{at: 1, expect: '20'},
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{at: 1.5, expect: '25'},
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]);
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test_no_interpolation({
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property: 'column-count',
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from: 'auto',
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to: '20',
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});
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test_interpolation({
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property: 'column-count',
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from: 'inherit',
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to: '20',
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}, [
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{at: -0.5, expect: '35'},
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{at: 0, expect: '30'},
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{at: 0.3, expect: '27'},
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{at: 0.7, expect: '23'},
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{at: 1, expect: '20'},
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{at: 1.5, expect: '15'},
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]);
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test_interpolation({
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property: 'column-count',
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from: '10',
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to: '1'
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}, [
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{at: -0.5, expect: '15'},
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{at: 0, expect: '10'},
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{at: 0.3, expect: '7'},
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{at: 0.7, expect: '4'},
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// Only positive integers are valid
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{at: 1, expect: '1'},
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{at: 1.5, expect: '1'}
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]);
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test_no_interpolation({
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property: 'column-count',
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from: 'initial',
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to: '5',
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});
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test_no_interpolation({
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property: 'column-count',
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from: 'unset',
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to: '5',
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});
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</script>
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