text: import quickSort from './quickSort';
  import shuffle from '../shuffle/shuffle';
  
  describe('Quick Sort', () => {
    it('Sort [4, 3, 2, 1]', () => {
      const array = [4, 3, 2, 1];
      quickSort(array);
      expect(array).toEqual([1, 2, 3, 4]);
    });
  
    it("Sort [10 ... 1]", () => {
      const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
      shuffle(array);
      quickSort(array);
      expect(array).toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
    });
  });
  