import {HexToDecConverter} from './hex-to-dec-converter'; describe('HexToDecConverter', () => { it('should create an instance', () => { expect(new HexToDecConverter()).toBeTruthy(); }); it('should have the id "hextodec"', () => { expect(new HexToDecConverter().getId()).toEqual('hextodec'); }); it('should convert "ab" to "171"', () => { expect(new HexToDecConverter().convert('ab')).toEqual('171'); }); it('should raise an exception on invalid input', () => { expect(() => new HexToDecConverter().convert('foo bar')).toThrowError('The input seems not to be a valid hexadecimal number.'); }); });