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<!DOCTYPE html>
<meta charset="UTF-8">
<title>text-shadow interpolation</title>
<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-shadow-property">
<meta name="assert" content="text-shadow supports animation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
text-shadow: 30px 10px 30px orange;
}
.target {
display: inline-block;
font-size: 60pt;
margin-right: 20px;
margin-bottom: 30px;
color: green;
text-shadow: 10px 30px 10px orange;
}
.expected {
margin-right: 40px;
}
</style>
<body>
<template id="target-template">T</template>
<script>
test_interpolation({
property: 'text-shadow',
from: neutralKeyframe,
to: 'green 20px 20px 20px',
}, [
{at: -0.3, expect: 'rgb(255, 176, 0) 7px 33px 7px'},
{at: 0, expect: 'rgb(255, 165, 0) 10px 30px 10px'},
{at: 0.3, expect: 'rgb(179, 154, 0) 13px 27px 13px'},
{at: 0.6, expect: 'rgb(102, 143, 0) 16px 24px 16px'},
{at: 1, expect: 'rgb(0, 128, 0) 20px 20px 20px'},
{at: 1.5, expect: 'rgb(0, 110, 0) 25px 15px 25px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'initial',
to: 'green 20px 20px 20px',
}, [
{at: -0.3, expect: 'rgba(0, 0, 0, 0) -6px -6px 0px'},
{at: 0, expect: 'rgba(0, 0, 0, 0) 0px 0px 0px'},
{at: 0.3, expect: 'rgba(0, 128, 0, 0.3) 6px 6px 6px'},
{at: 0.6, expect: 'rgba(0, 128, 0, 0.6) 12px 12px 12px'},
{at: 1, expect: 'rgb(0, 128, 0) 20px 20px 20px'},
{at: 1.5, expect: 'rgb(0, 192, 0) 30px 30px 30px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'inherit',
to: 'green 20px 20px 20px',
}, [
{at: -0.3, expect: 'rgb(255, 176, 0) 33px 7px 33px'},
{at: 0, expect: 'rgb(255, 165, 0) 30px 10px 30px'},
{at: 0.3, expect: 'rgb(179, 154, 0) 27px 13px 27px'},
{at: 0.6, expect: 'rgb(102, 143, 0) 24px 16px 24px'},
{at: 1, expect: 'rgb(0, 128, 0) 20px 20px 20px'},
{at: 1.5, expect: 'rgb(0, 110, 0) 15px 25px 15px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'unset',
to: 'green 20px 20px 20px',
}, [
{at: -0.3, expect: 'rgb(255, 176, 0) 33px 7px 33px'},
{at: 0, expect: 'rgb(255, 165, 0) 30px 10px 30px'},
{at: 0.3, expect: 'rgb(179, 154, 0) 27px 13px 27px'},
{at: 0.6, expect: 'rgb(102, 143, 0) 24px 16px 24px'},
{at: 1, expect: 'rgb(0, 128, 0) 20px 20px 20px'},
{at: 1.5, expect: 'rgb(0, 110, 0) 15px 25px 15px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'black 15px 10px 5px',
to: 'orange -15px -10px 25px',
}, [
{at: -0.3, expect: 'rgb(0, 0, 0) 24px 16px 0px'},
{at: 0, expect: 'rgb(0, 0, 0) 15px 10px 5px'},
{at: 0.3, expect: 'rgb(77, 50, 0) 6px 4px 11px'},
{at: 0.6, expect: 'rgb(153, 99, 0) -3px -2px 17px'},
{at: 1, expect: 'rgb(255, 165, 0) -15px -10px 25px'},
{at: 1.5, expect: 'rgb(255, 248, 0) -30px -20px 35px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'black 10px 10px 10px',
to: 'currentColor 10px 10px 10px',
}, [
{at: -0.3, expect: 'rgb(0, 0, 0) 10px 10px 10px'},
{at: 0, expect: 'rgb(0, 0, 0) 10px 10px 10px'},
{at: 0.3, expect: 'rgb(0, 38, 0) 10px 10px 10px'},
{at: 0.6, expect: 'rgb(0, 77, 0) 10px 10px 10px'},
{at: 1, expect: 'rgb(0, 128, 0) 10px 10px 10px'},
{at: 1.5, expect: 'rgb(0, 192, 0) 10px 10px 10px'},
]);
test_interpolation({
property: 'text-shadow',
from: 'black 0px 0px 0px',
to: 'black 1px 1px 1px',
}, [
{at: -0.3, expect: 'rgb(0, 0, 0) -0.3px -0.3px 0px'},
{at: 0, expect: 'rgb(0, 0, 0) 0px 0px 0px'},
{at: 0.3, expect: 'rgb(0, 0, 0) 0.3px 0.3px 0.3px'},
{at: 0.6, expect: 'rgb(0, 0, 0) 0.6px 0.6px 0.6px'},
{at: 1, expect: 'rgb(0, 0, 0) 1px 1px 1px'},
{at: 1.5, expect: 'rgb(0, 0, 0) 1.5px 1.5px 1.5px'},
]);
</script>
</body>
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