, 183, 0)'},
  {at: 0.6, expect: 'rgb(102, 219, 0)'},
  {at: 1, expect: 'rgb(0, 255, 0)'},
  {at: 1.5, expect: 'rgb(0, 255, 0)'},
]);

test_interpolation({
  property: 'row-rule-color',
  from: 'orange',
  to: 'blue'
}, [
  {at: -5, expect: '#ffff00'},
  {at: -0.4, expect: '#ffe700'},
  {at: 0, expect: 'orange'}, // ffa500
  {at: 0.2, expect: '#cc8433'},
  {at: 0.6, expect: '#664299'},
  {at: 1, expect: 'blue'}, // 0000ff
  {at: 1.5, expect: 'blue'}
]);

// Lists can only be interpolated if they have the sa