<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.parent {
  cx: 100px;
}
.target {
  font-size: 16px;
  cx: 50px;
}
.expected {
  fill: green;
}
</style>
<body>
<template id="target-template">
  <svg height="20" width="400">
    <circle cx="50%" cy="50%" r="10" class="target">
  </svg>
</template>
<script src="resources/interpolation-test.js"></script>
<script>
assertInterpolation({
  property: 'cx',
  from: neutralKeyframe,
  to: '20px',
}, [
  {at: -0.25, is: '57.5px'},
  {at: 0, is: '50px'},
  {at: 0.25, is: '42.5px'},
  {at: 0.5, is: '35px'},
  {at: 0.75, is: '27.5px'},
  {at: 1, is: '20px'},
  {at: 1.25, is: '12.5px'},
]);

assertInterpolation({
  property: 'cx',
  from: 'initial',
  to: '20px',
}, [
  {at: -0.25, is: '-5px'},
  {at: 0, is: '0px'},
  {at: 0.25, is: '5px'},
  {at: 0.5, is: '10px'},
  {at: 0.75, is: '15px'},
  {at: 1, is: '20px'},
  {at: 1.25, is: '25px'},
]);

assertInterpolation({
  property: 'cx',
  from: 'inherit',
  to: '20px',
}, [
  {at: -0.25, is: '120px'},
  {at: 0, is: '100px'},
  {at: 0.25, is: '80px'},
  {at: 0.5, is: '60px'},
  {at: 0.75, is: '40px'},
  {at: 1, is: '20px'},
  {at: 1.25, is: '0px'},
]);

assertInterpolation({
  property: 'cx',
  from: 'unset',
  to: '20px',
}, [
  {at: -0.25, is: '-5px'},
  {at: 0, is: '0px'},
  {at: 0.25, is: '5px'},
  {at: 0.5, is: '10px'},
  {at: 0.75, is: '15px'},
  {at: 1, is: '20px'},
  {at: 1.25, is: '25px'},
]);

assertInterpolation({
  property: 'cx',
  from: '-10px',
  to: '10px',
}, [
  {at: -0.25, is: '-15px'},
  {at: 0, is: '-10px'},
  {at: 0.25, is: '-5px'},
  {at: 0.5, is: '0px'},
  {at: 0.75, is: '5px'},
  {at: 1, is: '10px'},
  {at: 1.25, is: '15px'},
]);

assertInterpolation({
  property: 'cx',
  from: '-20px',
  to: '30em',
}, [
  {at: -0.25, is: '-145px'},
  {at: 0, is: '-20px'},
  {at: 0.25, is: '105px'},
  {at: 0.5, is: '230px'},
  {at: 0.75, is: '355px'},
  {at: 1, is: '30em'},
  {at: 1.25, is: '605px'},
]);

assertInterpolation({
  property: 'cx',
  from: '-10',
  to: '10',
}, [
  {at: -0.25, is: '-15'},
  {at: 0, is: '-10'},
  {at: 0.25, is: '-5'},
  {at: 0.5, is: '0'},
  {at: 0.75, is: '5'},
  {at: 1, is: '10'},
  {at: 1.25, is: '15'},
]);
</script>
</body>