function centuryFromYear(num) {
// write code here.
// substracting one from year to make sure we get the correct century
const year = num - 1;
// returning the century we are in
return Math.floor( year / 100 + 1 );
}
/**
* 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);
});
});