import add from '../src/add';

describe('add', () => {
    it('should add two numbers', () => {
        expect(add(6, 4)).toBe(10);
        expect(add(-6, 4)).toBe(-2);
        expect(add(-6, -4)).toBe(-10);
    });

    it('should not coerce arguments to numbers', () => {
        expect(add('6', '4')).toBe('64');
        expect(add('x', 'y')).toBe('xy');
    });
});