How to use

iterator

function

in

Array

describe('ArrayUtils', () => {

  it('correctly iterates in ascending order', () => {
    const array = [1, 2, 3, 4, 5];
    const it = array.iterator();
    for (let i = 0; i <= array.length; ++i) {
      const hasNext = it.hasNext();
      expect(hasNext).toBe(i < array.length);
      if (hasNext) {
        expect(it.peek()).toBe(array[i]);
        expect(it.next()).toBe(array[i]);
      }
    }
  });

  it('correctly iterates in descending order', () => {
    const array = [1, 2, 3, 4, 5];
    const it = array.iterator(false);
    for (let i = array.length - 1; i >= -1; --i) {
      const hasNext = it.hasNext();
      expect(hasNext).toBe(i >= 0);
      if (hasNext) {
        expect(it.peek()).toBe(array[i]);
        expect(it.next()).toBe(array[i]);
      }
    }
  });
});

let txIt = keys.iterator(ascending);
if (!this._truncated) {
  let stopped = false;

let txIt = keys.iterator(ascending);
if (!this._truncated) {
  let stopped = false;