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<!DOCTYPE html>
<meta charset="UTF-8">
<title>max-width interpolation with interpolate-size: allow-keywords</title>
<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#propdef-max-width">
<link rel="help" href="https://drafts.csswg.org/css-values-5/#interpolate-size">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
:root {
interpolate-size: allow-keywords;
}
.parent {
max-width: 200px;
}
.target {
width: 175px;
height: 10px;
max-width: 150px;
}
.target::before {
display: block;
content: "";
width: 100px;
height: 50px;
}
</style>
<body></body>
<script>
test_no_interpolation({
property: 'max-width',
from: 'initial',
to: '20px',
});
test_no_interpolation({
property: 'max-width',
from: 'unset',
to: '20px',
});
test_no_interpolation({
property: 'max-width',
from: 'none',
to: '20px',
});
test_no_interpolation({
property: 'max-width',
from: 'stretch',
to: 'none',
});
test_interpolation({
property: 'max-width',
from: 'fit-content', /* (100px) */
to: '50px',
}, [
{at: -0.3, expect: 'calc-size(fit-content, -15px + size * 1.3)'},
{at: 0, expect: 'calc-size(fit-content, 0px + size * 1)'},
{at: 0.3, expect: 'calc-size(fit-content, 15px + size * 0.7)'},
{at: 0.6, expect: 'calc-size(fit-content, 30px + size * 0.4)'},
{at: 1, expect: 'calc-size(fit-content, 50px + size * 0)'},
{at: 1.5, expect: 'calc-size(fit-content, 75px + size * -0.5)'}
]);
test_no_interpolation({
property: 'max-width',
from: 'max-content',
to: 'min-content',
});
test_interpolation({
property: 'max-width',
from: 'min-content', /* (100px) */
to: neutralKeyframe, /* 150px */
}, [
{at: -0.3, expect: 'calc-size(min-content, -45px + size * 1.3)'},
{at: 0, expect: 'calc-size(min-content, 0px + size * 1)'},
{at: 0.3, expect: 'calc-size(min-content, 45px + size * 0.7)'},
{at: 0.6, expect: 'calc-size(min-content, 90px + size * 0.4)'},
{at: 1, expect: 'calc-size(min-content, 150px + size * 0)'},
{at: 1.5, expect: 'calc-size(min-content, 225px + size * -0.5)'}
]);
test_interpolation({
property: 'max-width',
from: neutralKeyframe, /* 150px */
to: 'fit-content', /* (100px) */
}, [
{at: -0.3, expect: 'calc-size(fit-content, 195px + size * -0.3)'},
{at: 0, expect: 'calc-size(fit-content, 150px + size * 0)'},
{at: 0.3, expect: 'calc-size(fit-content, 105px + size * 0.3)'},
{at: 0.6, expect: 'calc-size(fit-content, 60px + size * 0.6)'},
{at: 1, expect: 'calc-size(fit-content, 0px + size * 1)'},
{at: 1.5, expect: 'calc-size(fit-content, -75px + size * 1.5)'}
]);
</script>
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