src/components/Calendar/helpers/__test__/isInArray.spec.js
import isInArray from '../isInArray';
describe('isInArray', () => {
it('should return true', () => {
const array = ['09/07/2022', new Date('09/08/2022')];
expect(isInArray(new Date('09/07/2022'), array)).toBe(true);
expect(isInArray('09/08/2022', array)).toBe(true);
});
it('should return false', () => {
const array = ['09/07/2022', new Date('09/08/2022')];
expect(isInArray(new Date('10/07/2022'), array)).toBe(false);
expect(isInArray('09/08/2022', undefined)).toBe(false);
});
});