0% + 30px) 40px / calc(0% - 5px) 100px)'},
        {at: 1.5, expect: 'shape(from calc(-2.5% + 22.5px) 20px, curve to calc(-5% + 30px) -5px with calc(0% + 15px) 50px, curve to calc(-15% + 30px) 35px with calc(-10% + 45px) 35px / calc(-12.5% - 7.5px) 115px)'},
      ]);

      test_interpolation({
        property: 'offset-path',
        from: 'path("M 5 5 q 0 80 10 10 c 20 50 25 70 30 20")',
        to: 'shape(from 15% 15px, curve by 20% 0px with 10% 60px, curve by 20% 30px with 30% 40px / -5% 100px)',
     