5, expect: '225px'},
]);

test_composition({
  property: 'max-width',
  underlying: '100px',
  addFrom: '100px',
  addTo: 'none',
}, [
  {at: -0.3, expect: '200px'},
  {at: 0, expect: '200px'},
  {at: 0.5, expect: 'none'},
  {at: 1, expect: 'none'},
  {at: 1.5, expect: 'none'},
]);
</script>
</body>
