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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-text/animations/tab-size-interpolation.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="UTF-8">
<meta name="test" content="tab-size supports animation by computed value type">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
tab-size: 20;
}
.target {
font: 10px sans-serif;
tab-size: 5;
}
.expected {
color: green;
}
</style>
<body>
<template id="target-template">T</template>
</body>
<script>
test_interpolation({
property: 'tab-size',
from: neutralKeyframe,
to: 10,
}, [
{at: -0.3, expect: '3.5'},
{at: 0, expect: '5'},
{at: 0.3, expect: '6.5'},
{at: 0.6, expect: '8'},
{at: 1, expect: '10'},
{at: 1.5, expect: '12.5'},
]);
test_interpolation({
property: 'tab-size',
from: 'initial',
to: 10,
}, [
{at: -0.3, expect: '7.4'},
{at: 0, expect: '8'},
{at: 0.3, expect: '8.6'},
{at: 0.6, expect: '9.2'},
{at: 1, expect: '10'},
{at: 1.5, expect: '11'},
]);
test_interpolation({
property: 'tab-size',
from: 'inherit',
to: 10,
}, [
{at: -0.3, expect: '23'},
{at: 0, expect: '20'},
{at: 0.3, expect: '17'},
{at: 0.6, expect: '14'},
{at: 1, expect: '10'},
{at: 1.5, expect: '5'},
]);
test_interpolation({
property: 'tab-size',
from: 'unset',
to: 10,
}, [
{at: -0.3, expect: '23'},
{at: 0, expect: '20'},
{at: 0.3, expect: '17'},
{at: 0.6, expect: '14'},
{at: 1, expect: '10'},
{at: 1.5, expect: '5'},
]);
test_interpolation({
property: 'tab-size',
from: 0,
to: 10,
}, [
{at: -0.3, expect: '0'},
{at: 0, expect: '0'},
{at: 0.3, expect: '3'},
{at: 0.6, expect: '6'},
{at: 1, expect: '10'},
{at: 1.5, expect: '15'},
]);
test_interpolation({
property: 'tab-size',
from: 4,
to: 10,
}, [
{at: -0.3, expect: '2.2'},
{at: 0, expect: '4'},
{at: 0.3, expect: '5.8'},
{at: 0.6, expect: '7.6'},
{at: 1, expect: '10'},
{at: 1.5, expect: '13'},
]);
test_interpolation({
property: 'tab-size',
from: '1px',
to: '10px',
}, [
{at: -0.3, expect: '0px'},
{at: 0, expect: '1px'},
{at: 0.3, expect: '3.7px'},
{at: 0.6, expect: '6.4px'},
{at: 1, expect: '10px'},
{at: 1.5, expect: '14.5px'},
]);
test_no_interpolation({
property: 'tab-size',
from: '1',
to: '10px',
});
</script>