nycJSorg/angular-presentation

import { StringParser } from './string-parser';
import { BinaryArrayParser } from './array-parser';
import { StringBinaryReader } from '../readers/string-reader';

describe('array parser', () => {
  beforeEach(() => {
    const s = 'Universal Serial Bus'
      .split('')
      .map(a => a.charCodeAt(0))
      .map(a => a.toString(2))
      .map(a => (a as any).padStart(8, 0))
      .join('');
    this.reader = new StringBinaryReader(s);
  });

  it('can read one letter', () => {
    const parser = new BinaryArrayParser({
      length: 2,
      parser: new StringParser({ length: 2 })
    });
    expect(parser.read(this.reader).value).toEqual(['Un', 'iv']);
  });

  it('can read one letter', () => {
    const parser = new BinaryArrayParser({
      parser: new StringParser({ length: 2 })
    });
    expect(parser.read(this.reader).value).toEqual([
      'Un',
      'iv',
      'er',
      'sa',
      'l ',
      'Se',
      'ri',
      'al',
      ' B',
      'us'
    ]);
  });
});