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<!DOCTYPE html>
<meta charset="UTF-8">
<title>max-width interpolation</title>
<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#propdef-max-width">
<meta name="assert" content="max-width supports animation by computed value">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
max-width: 100px;
}
.target {
width: 200px;
height: 10px;
background-color: black;
max-width: 10px;
}
.expected {
background-color: green;
margin-bottom: 10px;
}
</style>
<body></body>
<script>
test_interpolation({
property: 'max-width',
from: neutralKeyframe,
to: '20px',
}, [
{at: -0.5, expect: '5px'},
{at: 0, expect: '10px'},
{at: 0.3, expect: '13px'},
{at: 0.6, expect: '16px'},
{at: 1, expect: '20px'},
{at: 1.5, expect: '25px'},
]);
test_no_interpolation({
property: 'max-width',
from: 'initial',
to: '20px',
});
test_interpolation({
property: 'max-width',
from: 'inherit',
to: '20px',
}, [
{at: -0.5, expect: '140px'},
{at: 0, expect: '100px'},
{at: 0.3, expect: '76px'},
{at: 0.6, expect: '52px'},
{at: 1, expect: '20px'},
{at: 1.5, expect: '0px'},
]);
test_no_interpolation({
property: 'max-width',
from: 'unset',
to: '20px',
});
test_no_interpolation({
property: 'max-width',
from: 'none',
to: '20px',
});
test_interpolation({
property: 'max-width',
from: '0px',
to: '100px',
}, [
{at: -0.5, expect: '0'}, // CSS max-width can't be negative.
{at: 0, expect: '0'},
{at: 0.3, expect: '30px'},
{at: 0.6, expect: '60px'},
{at: 1, expect: '100px'},
{at: 1.5, expect: '150px'}
]);
test_no_interpolation({
property: 'max-width',
from: 'stretch',
to: 'none',
});
test_no_interpolation({
property: 'max-width',
from: 'fit-content',
to: '20px',
});
test_no_interpolation({
property: 'max-width',
from: 'max-content',
to: 'min-content',
});
test_no_interpolation({
property: 'max-width',
from: 'min-content',
to: neutralKeyframe,
});
test_no_interpolation({
property: 'max-width',
from: neutralKeyframe,
to: 'fit-content',
});
</script>
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