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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>translate interpolation</title>
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#propdef-translate">
<meta name="assert" content="translate supports <length> and <percentage> animation.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/interpolation-testcommon.js"></script>
<style>
body {
width: 500px;
height: 500px;
}
div {
width: 10px;
height: 10px;
}
</style>
</head>
<body>
<script>
test_interpolation({
property: 'translate',
from: '220px 240px 260px',
to: '300px 400px 500px',
}, [
{at: -1, expect: '140px 80px 20px'},
{at: 0, expect: '220px 240px 260px'},
{at: 0.125, expect: '230px 260px 290px'},
{at: 0.875, expect: '290px 380px 470px'},
{at: 1, expect: '300px 400px 500px'},
{at: 2, expect: '380px 560px 740px'}
]);
test_interpolation({
property: 'translate',
from: '480px 400px 320px',
to: '240% 160%',
}, [
{at: -1, expect: 'calc(960px - 240%) calc(800px - 160%) 640px'},
{at: 0, expect: '480px 400px 320px'},
{at: 0.125, expect: 'calc(420px + 30%) calc(350px + 20%) 280px'},
{at: 0.875, expect: 'calc(210% + 60px) calc(140% + 50px) 40px'},
{at: 1, expect: '240% 160%'},
{at: 2, expect: 'calc(480% - 480px) calc(320% - 400px) -320px'}
]);
test_interpolation({
property: 'translate',
from: 'none',
to: '8px 80% 800px',
}, [
{at: -1, expect: '-8px -80% -800px'},
{at: 0, expect: 'none'},
{at: 0.125, expect: '1px 10% 100px'},
{at: 0.875, expect: '7px 70% 700px'},
{at: 1, expect: '8px 80% 800px'},
{at: 2, expect: '16px 160% 1600px'}
]);
test_interpolation({
property: 'translate',
from: 'none',
to: 'none',
}, [
{at: -1, expect: 'none'},
{at: 0, expect: 'none'},
{at: 0.125, expect: 'none'},
{at: 0.875, expect: 'none'},
{at: 1, expect: 'none'},
{at: 2, expect: 'none'}
]);
</script>
</body>
</html>
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