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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>rule-width interpolation with repeaters</title>
<link rel="author" title="Javier Contreras" href="mailto:javiercon@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-gaps-1/#column-row-rule-width">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
row-rule-style: solid;
row-rule-width: 90px;
}
.target {
row-gap: 40px;
column-gap: 40px;
row-rule-width: 10px, repeat(2, 20px, 20px), 20px;
row-rule-style: solid;
row-rule-color: black;
flex-wrap: wrap;
column-rule-width: repeat(2, 20px, 20px);
column-rule-style: solid;
column-rule-color: black;
}
</style>
</head>
<body>
<script>
// Valid Interpolations:
// Repeaters should expand.
test_interpolation({
property: 'row-rule-width',
from: neutralKeyframe,
to: '20px, repeat(2, 30px, 30px), 30px',
}, [
{ at: -0.3, expect: '7px, 17px, 17px, 17px, 17px, 17px' },
{ at: 0, expect: '10px, 20px, 20px, 20px, 20px, 20px' },
{ at: 0.3, expect: '13px, 23px, 23px, 23px, 23px, 23px' },
{ at: 0.6, expect: '16px, 26px, 26px, 26px, 26px, 26px' },
{ at: 1, expect: '20px, 30px, 30px, 30px, 30px, 30px' },
{ at: 1.5, expect: '25px, 35px, 35px, 35px, 35px, 35px' },
]);
test_interpolation({
property: 'column-rule-width',
from: neutralKeyframe,
to: 'repeat(2, 30px, 30px)',
}, [
{ at: -0.3, expect: '17px, 17px, 17px, 17px' },
{ at: 0, expect: '20px, 20px, 20px, 20px' },
{ at: 0.3, expect: '23px, 23px, 23px, 23px' },
{ at: 0.6, expect: '26px, 26px, 26px, 26px' },
{ at: 1, expect: '30px, 30px, 30px, 30px' },
{ at: 1.5, expect: '35px, 35px, 35px, 35px' },
]);
// Auto repeaters don't expand.
test_interpolation({
property: 'column-rule-width',
from: 'repeat(auto, 20px, 20px)',
to: 'repeat(auto, 30px, 30px)',
}, [
{ at: -0.3, expect: 'repeat(auto, 17px, 17px)' },
{ at: 0, expect: 'repeat(auto, 20px, 20px)' },
{ at: 0.3, expect: 'repeat(auto, 23px, 23px)' },
{ at: 0.6, expect: 'repeat(auto, 26px, 26px)' },
{ at: 1, expect: 'repeat(auto, 30px, 30px)' },
{ at: 1.5, expect: 'repeat(auto, 35px, 35px)' },
]);
// Auto repeaters should interpolate, we apply
// lowest common multiple interpolation to the inner values
// of auto repeaters.
test_interpolation({
property: 'column-rule-width',
from: 'repeat(auto, 20px)',
to: 'repeat(auto, 30px, 30px)',
}, [
{ at: -0.3, expect: 'repeat(auto, 17px, 17px)' },
{ at: 0, expect: 'repeat(auto, 20px, 20px)' },
{ at: 0.3, expect: 'repeat(auto, 23px, 23px)' },
{ at: 0.6, expect: 'repeat(auto, 26px, 26px)' },
{ at: 1, expect: 'repeat(auto, 30px, 30px)' },
{ at: 1.5, expect: 'repeat(auto, 35px, 35px)' },
]);
// Repeaters should expand.
test_interpolation({
property: 'column-rule-width',
from: 'repeat(1, 20px)',
to: 'repeat(2, 30px, 30px)',
}, [
{ at: -0.3, expect: '17px, 17px, 17px, 17px' },
{ at: 0, expect: '20px, 20px, 20px, 20px' },
{ at: 0.3, expect: '23px, 23px, 23px, 23px' },
{ at: 0.6, expect: '26px, 26px, 26px, 26px' },
{ at: 1, expect: '30px, 30px, 30px, 30px' },
{ at: 1.5, expect: '35px, 35px, 35px, 35px' },
]);
// Repeaters should expand and interpolate with non repeaters.
test_interpolation({
property: 'column-rule-width',
from: 'repeat(2, 20px)',
to: '30px',
}, [
{ at: -0.3, expect: '17px, 17px' },
{ at: 0, expect: '20px, 20px' },
{ at: 0.3, expect: '23px, 23px' },
{ at: 0.6, expect: '26px, 26px' },
{ at: 1, expect: '30px, 30px' },
{ at: 1.5, expect: '35px, 35px' },
]);
// When auto repeaters are present, we only interpolate if the length
// of the `leading` segments match, and the length of the `trailing`
// segments match.
test_interpolation({
property: 'column-rule-width',
from: 'repeat(2, 20px), repeat(auto, 20px), 20px',
to: '30px, 30px, repeat(auto, 30px), 30px',
}, [
{ at: -0.3, expect: '17px, 17px, repeat(auto, 17px), 17px' },
{ at: 0, expect: '20px, 20px, repeat(auto, 20px), 20px' },
{ at: 0.3, expect: '23px, 23px, repeat(auto, 23px), 23px' },
{ at: 0.6, expect: '26px, 26px, repeat(auto, 26px), 26px' },
{ at: 1, expect: '30px, 30px, repeat(auto, 30px), 30px' },
{ at: 1.5, expect: '35px, 35px, repeat(auto, 35px), 35px' },
]);
// Invalid interpolations:
// Shouldn't interpolate, different leading lengths with present auto repeater:
test_no_interpolation({
property: 'column-rule-width',
from: '20px, repeat(auto, 20px)',
to: '30px, 30px, repeat(auto, 30px)',
});
// Shouldn't interpolate, different trailing lengths with present auto repeater:
test_no_interpolation({
property: 'column-rule-width',
from: '20px, repeat(auto, 20px)',
to: '30px, repeat(auto, 30px), 30px',
});
</script>
</body>
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