@dxzmpk/js-algorithms-data-structures/src/algorithms/math/bits/__test__/clearBit.test.js

Algorithms and data-structures implemented on JavaScript

import clearBit from '../clearBit';

describe('clearBit', () => {
  it('should clear bit at specific position', () => {
    // 1 = 0b0001
    expect(clearBit(1, 0)).toBe(0);
    expect(clearBit(1, 1)).toBe(1);
    expect(clearBit(1, 2)).toBe(1);

    // 10 = 0b1010
    expect(clearBit(10, 0)).toBe(10);
    expect(clearBit(10, 1)).toBe(8);
    expect(clearBit(10, 3)).toBe(2);
  });
});