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99 lines
1.9 KiB
HTML
99 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>width interpolation</title>
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<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#propdef-width">
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<meta name="assert" content="width supports animation by computed style.">
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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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width: 100px;
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overflow: visible;
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}
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.target {
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background-color: black;
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width: 10px;
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height: 10px;
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}
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.expected {
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background-color: green;
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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 class="container">
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<div class="target"></div>
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</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: 'width',
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from: neutralKeyframe,
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to: '40px',
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}, [
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{at: -0.3, expect: '1px'},
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{at: 0, expect: '10px'},
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{at: 0.3, expect: '19px'},
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{at: 0.6, expect: '28px'},
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{at: 1, expect: '40px'},
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{at: 1.5, expect: '55px'},
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]);
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test_no_interpolation({
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property: 'width',
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from: 'initial',
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to: '40px',
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});
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test_interpolation({
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property: 'width',
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from: 'inherit',
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to: '40px',
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}, [
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{at: -0.3, expect: '118px'},
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{at: 0, expect: '100px'},
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{at: 0.3, expect: '82px'},
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{at: 0.6, expect: '64px'},
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{at: 1, expect: '40px'},
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{at: 1.5, expect: '10px'},
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]);
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test_no_interpolation({
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property: 'width',
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from: 'unset',
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to: '40px',
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});
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test_interpolation({
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property: 'width',
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from: '0px',
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to: '100px',
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}, [
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{at: -0.3, expect: '0px'}, // CSS width can't be negative.
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{at: 0, expect: '0px'},
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{at: 0.3, expect: '30px'},
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{at: 0.6, expect: '60px'},
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{at: 1, expect: '100px'},
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{at: 1.5, expect: '150px'}
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]);
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test_interpolation({
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property: 'width',
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from: '10px',
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to: '100%'
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}, [
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{at: -0.3, expect: '0px'}, // CSS width can't be negative.
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{at: 0, expect: '10px'},
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{at: 0.3, expect: '37px'},
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{at: 0.6, expect: '64px'},
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{at: 1, expect: '100px'},
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{at: 1.5, expect: '145px'}
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]);
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</script>
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</body>
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