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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-flexbox/animation/flex-grow-interpolation.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="UTF-8">
<title>flex-grow interpolation</title>
<meta name="assert" content="flex-grow 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 {
display: flex;
flex-grow: 3;
}
.target {
height: 10px;
background: black;
flex-grow: 1;
}
.filler {
height: 10px;
flex-grow: 1;
}
.expected {
background: green;
}
</style>
<body>
<template id="target-template">
<div class="parent">
<div class="target"></div>
<div class="filler"></div>
</div>
</template>
</body>
<script>
test_interpolation({
property: 'flex-grow',
from: neutralKeyframe,
to: '2',
}, [
{at: -0.3, expect: '0.7'},
{at: 0, expect: '1'},
{at: 0.3, expect: '1.3'},
{at: 0.6, expect: '1.6'},
{at: 1, expect: '2'},
{at: 1.5, expect: '2.5'},
]);
test_interpolation({
property: 'flex-grow',
from: 'initial',
to: '2',
}, [
{at: -0.3, expect: '0'},
{at: 0, expect: '0'},
{at: 0.3, expect: '0.6'},
{at: 0.6, expect: '1.2'},
{at: 1, expect: '2'},
{at: 1.5, expect: '3'},
]);
test_interpolation({
property: 'flex-grow',
from: 'inherit',
to: '2',
}, [
{at: -0.3, expect: '3.3'},
{at: 0, expect: '3'},
{at: 0.3, expect: '2.7'},
{at: 0.6, expect: '2.4'},
{at: 1, expect: '2'},
{at: 1.5, expect: '1.5'},
]);
test_interpolation({
property: 'flex-grow',
from: 'unset',
to: '2',
}, [
{at: -0.3, expect: '0'},
{at: 0, expect: '0'},
{at: 0.3, expect: '0.6'},
{at: 0.6, expect: '1.2'},
{at: 1, expect: '2'},
{at: 1.5, expect: '3'},
]);
test_interpolation({
property: 'flex-grow',
from: '1',
to: '2',
}, [
{at: -5, expect: '0'},
{at: -0.3, expect: '0.7'},
{at: 0, expect: '1'},
{at: 0.3, expect: '1.3'},
{at: 0.6, expect: '1.6'},
{at: 1, expect: '2'},
{at: 1.5, expect: '2.5'},
]);
test_interpolation({
property: 'flex-grow',
from: '0',
to: '1',
}, [
{at: -5, expect: '0'},
{at: -0.3, expect: '0'},
{at: 0, expect: '0'},
{at: 0.3, expect: '0.3'},
{at: 0.6, expect: '0.6'},
{at: 1, expect: '1'},
{at: 1.5, expect: '1.5'},
]);
</script>