function validTime(str) {
// write code here.
const time = str.split(":");
const hours = parseInt(time[0]) <= 23 === 0 <= parseInt(time[0]);
const minutes = parseInt(time[1]) <= 59 === 0 <= parseInt(time[1]);
return ( hours && minutes );
}
/**
* Test Suite
*/
describe('validTime()', () => {
it('returns true for valid time', () => {
// arrange
const str = '13:58';
// act
const result = validTime(str);
// log
console.log("result 1: ", result);
// assert
expect(result).toBe(true);
});
it('returns false when invalid hours', () => {
// arrange
const str = '25:51';
// act
const result = validTime(str);
// log
console.log("result 2: ", result);
// assert
expect(result).toBe(false);
});
it('returns false when invalid minutes', () => {
// arrange
const str = '02:76';
// act
const result = validTime(str);
// log
console.log("result 3: ", result);
// assert
expect(result).toBe(false);
});
});