thest-corner contain)'},
  {at: 0.6, expect: 'ray(40deg farthest-corner)'},
  {at: 1, expect: 'ray(40deg farthest-corner)'},
  {at: 1.5, expect: 'ray(40deg farthest-corner)'},
]);

test_composition({
  property: 'offset-path',
  underlying: 'ray(20deg sides)',
  replaceFrom: 'ray(190deg sides contain)',
  addTo: 'ray(20deg sides)',
}, [
  {at: -0.3, expect: 'ray(190deg sides contain)'},
  {at: 0, expect: 'ray(190deg sides contain)'},
  {at: 0.3, expect: 'ray(190deg sides contain)'},
  {at: 0.6, expect: 'ray