1<!DOCTYPE html>
2<meta charset="UTF-8">
3<style>
4.target {
5  display: inline-block;
6  font: 100px sans-serif;
7}
8.replica {
9  color: green;
10  margin-right: 30px;
11}
12</style>
13<body>
14<template id="target-template">TT</template>
15<script src="../testharness/testharness.js"></script>
16<script src="../testharness/testharnessreport.js"></script>
17<script src="resources/interpolation-test.js"></script>
18<script>
19assertInterpolation({
20  property: 'letter-spacing',
21  from: '-10px',
22  to: '10px'
23}, [
24  {at: -0.3, is: '-16px'},
25  {at: 0, is: '-10px'},
26  {at: 0.3, is: '-4px'},
27  {at: 0.6, is: '2px'},
28  {at: 1, is: '10px'},
29  {at: 1.5, is: '20px'},
30]);
31</script>
32</body>
33