estharness/testharness.js"></script>
<script src="../testharness/testharnessreport.js"></script>
<script src="resources/interpolation-test.js"></script>
<script>

assertInterpolation({
  property: 'transform',
  prefixedProperty: ['-webkit-transform'],
  from: 'perspective(400px)',
  to: 'perspective(500px)'
}, [
  {at: -1, is: 'perspective(300px)'},
  {at: 0, is: 'perspective(400px)'},
  {at: 0.25, is: 'perspective(425px)'},
  {at: 0.75, is: 'perspective(475px)'},
  {at: 1, is: 'perspective(500px)'},
  {at