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<!DOCTYPE html>
<meta charset="UTF-8">
<title>min-width composition with interpolate-size: allow-keywords</title>
<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#propdef-min-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 {
width: 200px;
}
.target {
width: 100px;
height: 150px;
}
.target::before {
display: block;
content: "";
width: 100px;
height: 50px;
}
</style>
<body>
<script>
// TODO(https://issues.chromium.org/issues/40339056): The specific
// syntax details of these expectations probably need further review to
// check against the calc() simplification rules and other parts of the
// specification.
test_composition({
property: 'min-width',
underlying: '100px',
addFrom: 'max-content',
addTo: '100px',
}, [
{at: -0.3, expect: 'calc-size(max-content, (100px + size) * 1.3 + -60px)'},
{at: 0, expect: 'calc-size(max-content, (100px + size) * 1 + 0px)'},
{at: 0.5, expect: 'calc-size(max-content, (100px + size) * 0.5 + 100px)'},
{at: 1, expect: 'calc-size(max-content, (100px + size) * 0 + 200px)'},
{at: 1.5, expect: 'calc-size(max-content, (100px + size) * -0.5 + 300px)'},
]);
test_composition({
property: 'min-width',
underlying: 'min-content', /* not compatible */
addFrom: 'fit-content', /* not compatible */
addTo: 'max-content', /* not compatible */
}, [
{at: -0.3, expect: 'fit-content'},
{at: 0, expect: 'fit-content'},
{at: 0.5, expect: 'max-content'},
{at: 1, expect: 'max-content'},
{at: 1.5, expect: 'max-content'},
]);
test_composition({
property: 'min-width',
underlying: 'max-content',
addFrom: '100px', /* composites to calc-size(max-content, 100px + size) */
addTo: 'min-content', /* underlying value ignored when compositing since not compatible */
/* min-content and max-content values cannot interpolate, so they animate discretely */
}, [
{at: -0.3, expect: 'calc-size(max-content, 100px + size)'},
{at: 0, expect: 'calc-size(max-content, 100px + size)'},
{at: 0.5, expect: 'min-content'},
{at: 1, expect: 'min-content'},
{at: 1.5, expect: 'min-content'},
]);
</script>
</body>
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