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<!DOCTYPE html>
<title>columns shorthand interpolation</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
columns: 50px / 100px;
}
.target {
columns: 200px / 100px;
}
</style>
<body>
</body>
<script>
test_interpolation({
property: 'columns',
from: '200px 10',
to: '100px 20',
}, [
{at: -1, expect: '300px 1'},
{at: -0.5, expect: '250px 5'},
{at: 0, expect: '200px 10'},
{at: 0.5, expect: '150px 15'},
{at: 1, expect: '100px 20'},
]);
test_interpolation({
property: 'columns',
from: neutralKeyframe,
to: '100px / 200px',
}, [
{at: -1, expect: '300px / 0px'},
{at: -0.5, expect: '250px / 50px'},
{at: 0, expect: '200px / 100px'},
{at: 0.5, expect: '150px / 150px'},
{at: 1, expect: '100px / 200px'},
]);
test_interpolation({
property: 'columns',
from: '1000px / 500px',
to: '100px / 200px',
}, [
{at: -1, expect: '1900px / 800px'},
{at: -0.5, expect: '1450px / 650px'},
{at: 0, expect: '1000px / 500px'},
{at: 0.5, expect: '550px / 350px'},
{at: 1, expect: '100px / 200px'},
]);
test_interpolation({
property: 'columns',
from: '10 / 100px',
to: '20 / 200px',
}, [
{at: -0.5, expect: '5 / 50px'},
{at: 0, expect: '10 / 100px'},
{at: 0.5, expect: '15 / 150px'},
{at: 1, expect: '20 / 200px'},
]);
test_interpolation({
property: 'columns',
from: '10 100px',
to: '20 200px',
}, [
{at: -0.5, expect: '5 50px'},
{at: 0, expect: '10 100px'},
{at: 0.5, expect: '15 150px'},
{at: 1, expect: '20 200px'},
]);
test_interpolation({
property: 'columns',
from: '10 100px / auto',
to: '20 200px / auto',
}, [
{at: -0.5, expect: '5 50px'},
{at: 0, expect: '10 100px'},
{at: 0.5, expect: '15 150px'},
{at: 1, expect: '20 200px'},
]);
test_interpolation({
property: 'columns',
from: 'inherit',
to: '200px / 900px',
}, [
{at: -0.5, expect: '0px / 0px'},
{at: -0.2, expect: '20px / 0px'},
{at: -0.1, expect: '35px / 20px'},
{at: 0, expect: '50px / 100px'},
{at: 0.5, expect: '125px / 500px'},
{at: 1, expect: '200px / 900px'},
]);
test_no_interpolation({
property: 'columns',
from: 'initial',
to: '100px / 200px',
});
test_no_interpolation({
property: 'columns',
from: 'initial',
to: '100px',
});
test_no_interpolation({
property: 'columns',
from: 'initial',
to: '10',
});
test_no_interpolation({
property: 'columns',
from: 'auto',
to: '100px / 200px',
});
test_no_interpolation({
property: 'columns',
from: '100px / 200px',
to: 'auto',
});
test_no_interpolation({
property: 'columns',
from: 'inherit',
to: 'auto',
});
</script>