mpegts-demuxer/lib/utils/__test__/bitwiseOperators.test.js

Demuxes an MPEG Transport Stream into elementary packets.

"use strict";

var _bitwiseOperators = require("../bitwiseOperators");

describe('leftShift', () => {
  it('should shift left', () => {
    expect((0, _bitwiseOperators.leftShift)(0b0010, 1)).toBe(0b0100);
    expect((0, _bitwiseOperators.leftShift)(0b0010, 2)).toBe(0b1000);
    expect((0, _bitwiseOperators.leftShift)(0b0110, 2)).toBe(0b11000);
  });
});
describe('rightShift', () => {
  it('should shift bits to the right', () => {
    expect((0, _bitwiseOperators.rightShift)(0b0010, 1)).toBe(0b0001);
    expect((0, _bitwiseOperators.rightShift)(0b0010, 2)).toBe(0b0000);
    expect((0, _bitwiseOperators.rightShift)(0b1010, 1)).toBe(0b0101);
  });
});
describe('bitMask', () => {
  it('should mask bits', () => {
    expect((0, _bitwiseOperators.bitMask)(0b1111, 0b1010)).toBe(0b1010);
  });
});