function centuryFromYear(num) {
const rest = num % 100
return Math.floor(num / 100) + (rest > 0 ? 1 : 0)
}
/**
* Test Suite
*/
describe('centuryFromYear()', () => {
it('returns current century', () => {
// arrange
const year = 1905;
// act
const result = centuryFromYear(year);
// log
console.log("result 1: ", result);
// assert
expect(result).toBe(20);
});
it('returns current century for edge case of start of century', () => {
// arrange
const year = 1700;
// act
const result = centuryFromYear(year);
// log
console.log("result 2: ", result);
// assert
expect(result).toBe(17);
});
});