91 lines
2.1 KiB
HTML
91 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>column-width interpolation</title>
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<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#cw">
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<meta name="assert" content="column-width supports animation by computed value type">
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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-width: 30px;
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}
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.target {
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font-size: 0px; /* column-width "specified values must be greater than 0", so use font-size to achieve 0px computed value. */
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display: inline-block;
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column-width: 10px;
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}
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</style>
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<body>
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<template id="target-template">
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<div><div class="transformed"></div></div>
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</template>
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</body>
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<script>
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test_interpolation({
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property: 'column-width',
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from: neutralKeyframe,
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to: '20px',
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}, [
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{at: -20, expect: '1em'}, // column-width does not accept negative values
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{at: -1, expect: '1em'}, // column-width does not accept negative values
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{at: -0.3, expect: '7px'},
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{at: 0, expect: '10px'},
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{at: 0.3, expect: '13px'},
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{at: 0.6, expect: '16px'},
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{at: 1, expect: '20px'},
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{at: 1.5, expect: '25px'},
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]);
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test_no_interpolation({
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property: 'column-width',
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from: 'initial',
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to: '20px',
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});
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test_interpolation({
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property: 'column-width',
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from: 'inherit',
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to: '20px',
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}, [
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{at: -20, expect: '230px'},
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{at: -1, expect: '40px'},
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{at: -0.3, expect: '33px'},
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{at: 0, expect: '30px'},
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{at: 0.3, expect: '27px'},
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{at: 0.6, expect: '24px'},
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{at: 1, expect: '20px'},
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{at: 1.5, expect: '15px'},
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]);
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test_no_interpolation({
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property: 'column-width',
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from: 'unset',
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to: '20px',
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});
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test_interpolation({
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property: 'column-width',
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from: '50px',
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to: '100px',
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}, [
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{at: -20, expect: '1em'}, // column-width does not accept negative values
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{at: -1, expect: '1em'}, // column-width does not accept negative values
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{at: -0.3, expect: '35px'},
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{at: 0, expect: '50px'},
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{at: 0.3, expect: '65px'},
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{at: 0.6, expect: '80px'},
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{at: 1, expect: '100px'},
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{at: 1.5, expect: '125px'},
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]);
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test_no_interpolation({
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property: 'column-width',
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from: '50px',
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to: 'auto',
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});
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</script>
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