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<!DOCTYPE html>
<meta charset="UTF-8">
<title>text-size-adjust-interpolation</title>
<link rel="help" href="https://drafts.csswg.org/css-size-adjust/#adjustment-control">
<meta name="assert" content="text-size-adjust supports animation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style type="text/css">
.container {
display: inline-block;
}
.parent {
text-size-adjust: 70%;
}
.target {
text-size-adjust: 60%;
}
.expected {
color: green;
margin-right: 30px;
}
</style>
<body></body>
<template id="target-template">
<span class="container">
<div class="target">x</span>
</div>
</template>
<script>
test_interpolation({
property: 'text-size-adjust',
from: neutralKeyframe,
to: '50%',
}, [
{at: -2, expect: '80%'},
{at: -0.3, expect: '63%'},
{at: 0, expect: '60%'},
{at: 0.3, expect: '57%'},
{at: 0.6, expect: '54%'},
{at: 1, expect: '50%'},
{at: 1.5, expect: '45%'},
]);
test_no_interpolation({
property: 'text-size-adjust',
from: 'initial',
to: '70%',
});
test_interpolation({
property: 'text-size-adjust',
from: 'inherit', // 70%
to: '50%',
}, [
{at: -2, expect: '110%'},
{at: -0.3, expect: '76%'},
{at: 0, expect: '70%'},
{at: 0.3, expect: '64%'},
{at: 0.6, expect: '58%'},
{at: 1, expect: '50%'},
{at: 1.5, expect: '40%'},
]);
test_interpolation({
property: 'text-size-adjust',
from: 'unset',
to: '50%',
}, [
{at: -2, expect: '110%'},
{at: -0.3, expect: '76%'},
{at: 0, expect: '70%'},
{at: 0.3, expect: '64%'},
{at: 0.6, expect: '58%'},
{at: 1, expect: '50%'},
{at: 1.5, expect: '40%'},
]);
test_interpolation({
property: 'text-size-adjust',
from: '10%',
to: '0%'
}, [
{at: -2, expect: '30%'},
{at: -0.3, expect: '13%'},
{at: 0, expect: '10%'},
{at: 0.3, expect: '7%'},
{at: 0.6, expect: '4%'},
{at: 1, expect: '0%'},
{at: 1.5, expect: '0%'}, // text-size-adjust can't be negative
]);
test_no_interpolation({
property: 'text-size-adjust',
from: 'none',
to: '100%'
});
</script>
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