',
        from: 'shape(from 5% 5px, hline to 5%, vline to -5px, close)',
        to: 'shape(from 15% 15px, hline to 25%, vline to -15px, close)',
      }, [
        {at: -0.3, expect: 'shape(from 2% 2px, hline to -1%, vline to -2px, close)'},
        {at: 0, expect: 'shape(from 5% 5px, hline to 5%, vline to -5px, close)'},
        {at: 0.5, expect: 'shape(from 10% 10px, hline to 15% , vline to -10px, close)'},
        {at: 1, expect: 'shape(from 15% 15px, hline to 25%, vline to -15px, close)'},
        {at