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<!DOCTYPE html>
<meta charset="UTF-8">
<title>boder-spacing interpolation</title>
<link rel="help" href="https://www.w3.org/TR/CSS2/tables.html#separated-borders">
<meta name="assert" content="border-spacing supports animation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
border-spacing: 30px;
}
.target {
width: 50px;
height: 50px;
background-color: black;
display: inline-block;
margin: 18px;
border-collapse: separate;
border-spacing: 10px;
}
.target td {
background-color: white;
border: 1px solid orange;
width: 10px;
height: 10px;
}
.expected {
background-color: green;
}
</style>
<body>
<template id="target-template">
<table>
<tbody>
<tr>
<td></td>
<td></td>
</tr>
</tbody>
</table>
</template>
<script>
test_interpolation({
property: 'border-spacing',
from: neutralKeyframe,
to: '20px',
}, [
{at: -0.3, expect: '7px 7px'},
{at: 0, expect: '10px 10px'},
{at: 0.3, expect: '13px 13px'},
{at: 0.6, expect: '16px 16px'},
{at: 1, expect: '20px 20px'},
{at: 1.5, expect: '25px 25px'},
]);
test_interpolation({
property: 'border-spacing',
from: 'initial',
to: '20px',
}, [
{at: -0.3, expect: '0px 0px'},
{at: 0, expect: '0px 0px'},
{at: 0.3, expect: '6px 6px'},
{at: 0.6, expect: '12px 12px'},
{at: 1, expect: '20px 20px'},
{at: 1.5, expect: '30px 30px'},
]);
test_interpolation({
property: 'border-spacing',
from: 'inherit',
to: '20px',
}, [
{at: -0.3, expect: '33px 33px'},
{at: 0, expect: '30px 30px'},
{at: 0.3, expect: '27px 27px'},
{at: 0.6, expect: '24px 24px'},
{at: 1, expect: '20px 20px'},
{at: 1.5, expect: '15px 15px'},
]);
test_interpolation({
property: 'border-spacing',
from: 'unset',
to: '20px',
}, [
{at: -0.3, expect: '33px 33px'},
{at: 0, expect: '30px 30px'},
{at: 0.3, expect: '27px 27px'},
{at: 0.6, expect: '24px 24px'},
{at: 1, expect: '20px 20px'},
{at: 1.5, expect: '15px 15px'},
]);
test_interpolation({
property: 'border-spacing',
from: '0px',
to: '10px'
}, [
{at: -0.3, expect: '0px 0px'}, // Can't be negative.
{at: 0, expect: '0px 0px'},
{at: 0.3, expect: '3px 3px'},
{at: 0.6, expect: '6px 6px'},
{at: 1, expect: '10px 10px'},
{at: 1.5, expect: '15px 15px'}
]);
</script>
</body>
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