import hasOwnProperty from '../hasOwnProperty'; describe('#hasOwnProperty', () => { it('returns true when a given object has a property', () => { const obj = { foo: 'bar' }; expect(hasOwnProperty(obj, 'foo')).toEqual(true); }); it('returns false when a given object doesnt have a property', () => { const obj = { foo: 'bar' }; expect(hasOwnProperty(obj, 'bar')).toEqual(false); }); });