dist-javascript-algorithms-and-data-structures/dist/algorithms/math/bits/__test__/getBit.test.js

Algorithms and data-structures implemented on JavaScript

"use strict";

var _getBit = _interopRequireDefault(require("../getBit"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

describe('getBit', () => {
  it('should get bit at specific position', () => {
    // 1 = 0b0001
    expect((0, _getBit.default)(1, 0)).toBe(1);
    expect((0, _getBit.default)(1, 1)).toBe(0); // 2 = 0b0010

    expect((0, _getBit.default)(2, 0)).toBe(0);
    expect((0, _getBit.default)(2, 1)).toBe(1); // 3 = 0b0011

    expect((0, _getBit.default)(3, 0)).toBe(1);
    expect((0, _getBit.default)(3, 1)).toBe(1); // 10 = 0b1010

    expect((0, _getBit.default)(10, 0)).toBe(0);
    expect((0, _getBit.default)(10, 1)).toBe(1);
    expect((0, _getBit.default)(10, 2)).toBe(0);
    expect((0, _getBit.default)(10, 3)).toBe(1);
  });
});