import bitsDiff from '../bitsDiff';

describe('bitsDiff', () => {
  it('should calculate bits difference between two numbers', () => {
    expect(bitsDiff(0, 0)).toBe(0);
    expect(bitsDiff(1, 1)).toBe(0);
    expect(bitsDiff(124, 124)).toBe(0);
    expect(bitsDiff(0, 1)).toBe(1);
    expect(bitsDiff(1, 0)).toBe(1);
    expect(bitsDiff(1, 2)).toBe(2);
    expect(bitsDiff(1, 3)).toBe(1);
  });
});