function sumOddFibonacciNumbers(num) {
    //  write code here.
    let num1 = 0
    let num2 = 1
    let oddSum = 1
    let nextNum = 0
    
    while (nextNum < num) {
        nextNum = num1 + num2;
        num1 = num2;
        num2 = nextNum;
        if (nextNum >= num) {
            break;
        } else if (nextNum % 2 === 0) {
        } else {
            oddSum += nextNum;
        }
    }
    return oddSum;
}
// Tried for almost an hour doing this with a for loop/array before simplifying it. 

/**
* 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);
    });
});