chromium/third_party/blink/web_tests/animations/svg-attribute-interpolation/svg-dx-dy-number-interpolation.html

<!DOCTYPE html>
<html>
<body>
<template id="target-template">
  <svg width="0" height="0">
    <feOffset class="target"></feOffset>
  </svg>
</template>
<script src="resources/interpolation-test.js"></script>
<script>
'use strict';
assertAttributeInterpolation({
  property: 'dx',
  from: '1',
  to: '6',
}, [
  {at: -0.4, is: '-1'},
  {at: 0, is: '1'},
  {at: 0.2, is: '2'},
  {at: 0.6, is: '4'},
  {at: 1, is: '6'},
  {at: 1.4, is: '8'},
]);

assertAttributeInterpolation({
  property: 'dy',
  from: '1',
  to: '6',
}, [
  {at: -0.4, is: '-1'},
  {at: 0, is: '1'},
  {at: 0.2, is: '2'},
  {at: 0.6, is: '4'},
  {at: 1, is: '6'},
  {at: 1.4, is: '8'},
]);
</script>
</body>
</html>