function sumOddFibonacciNumbers(num) {
let first = 0, second = 1, oddSum = 0;
while(second < num) {
if(second % 2 == 1) {
oddSum+=second;
}
[first, second] = [second, first+second];
}
return oddSum;
}
/**
* Test Suite
*/
describe('sumOddFibonacciNumbers()', () => {
it('returns sum of all odd Fibonnci numbers', () => {
// arrange
const num = 10;
// act
const result = sumOddFibonacciNumbers(num);
// log
console.log("result 1: ", result);
// assert
expect(result).toBe(10);
});
it('returns sum of all odd Fibonnci numbers 2nd example', () => {
// arrange
const num = 1000;
// act
const result = sumOddFibonacciNumbers(num);
// log
console.log("result 2: ", result);
// assert
expect(result).toBe(1785);
});
});