import { trap } from '../TrappingRainWater'

describe('TrappingRainWater', () => {
  it('expects 6 units of rain water are being trapped', () => {
    expect(trap([0,1,0,2,1,0,1,3,2,1,2,1])).toBe(6)
  })

  it('expects 9 units of rain water are being trapped', () => {
    expect(trap([4,2,0,3,2,5])).toBe(9)
  })
})