r).to.equal(grid._arrayDataProvider);
      });

      it('should not override custom data provider', () => {
        const ds = grid.dataProvider = () => {};
        grid.items = [1, 2, 3];
        expect(grid.dataProvider).to.equal(ds);
      });

      it('should handle new array of same length', () => {
        grid.items = [{
          name: {
            first: 'a'
          }
        }, {
          name: {
            first: 'b'
          }
        }];
        expect(getContent(0, 0)).to.equal('a');
