@technobuddha/library/src/binary-units.test.ts

A large library of useful functions

import { binaryUnits } from './binary-units.ts';

describe('binaryUnits', () => {
  test('should handle whole numbers than 1', () => {
    expect(binaryUnits(1)).toBe('1B');
    expect(binaryUnits(10)).toBe('10B');
    expect(binaryUnits(100)).toBe('100B');
    expect(binaryUnits(1000)).toBe('1000B');
    expect(binaryUnits(1024)).toBe('1KiB');
    expect(binaryUnits(1048576)).toBe('1MiB');
    expect(binaryUnits(1073741824)).toBe('1GiB');
    expect(binaryUnits(1099511627776)).toBe('1TiB');
    expect(binaryUnits(1125899906842624)).toBe('1PiB');
    expect(binaryUnits(1152921504606846976)).toBe('1EiB');
    expect(binaryUnits(1180591620717411303424)).toBe('1ZiB');
    expect(binaryUnits(1208925819614629174706176)).toBe('1YiB');
  });

  test('should handle fractional numbers', () => {
    expect(binaryUnits(1000000)).toBe('976.56KiB');
    expect(binaryUnits(1200000)).toBe('1.14MiB');
    expect(binaryUnits(1230000)).toBe('1.17MiB');
    expect(binaryUnits(1234000)).toBe('1.18MiB');
  });

  test('should handle precision', () => {
    expect(binaryUnits(1000000, { precision: 3 })).toBe('976.563KiB');
    expect(binaryUnits(1200000, { precision: 3 })).toBe('1.144MiB');
    expect(binaryUnits(1230000, { precision: 3 })).toBe('1.173MiB');
    expect(binaryUnits(1234000, { precision: 3 })).toBe('1.177MiB');
  });

  test('should handle format', () => {
    expect(binaryUnits(1000000, { format: '0,0.00' })).toBe('976.56KiB');
  });
});