2020-05-30 14:58:04 +02:00

14 lines
444 B
TypeScript

import { isString } from './isString';
describe('isString', () => {
it('should produce correct result', () => {
expect(isString('foo')).toBeTruthy();
expect(isString('123')).toBeTruthy();
expect(isString('-1')).toBeTruthy();
expect(isString('')).toBeTruthy();
expect(isString(null)).toBeFalsy();
expect(isString(undefined)).toBeFalsy();
expect(isString({})).toBeFalsy();
});
});