function sumOddFibonacciNumbers(num) {
    
    let twoBack = 0;
    let oneBack = 1;
    let newNum = 0;
    let oddFib = [];
    
    do {
      if (newNum%2!=0) {
        oddFib.push(newNum);  
      }
      twoBack = oneBack;
      oneBack = newNum;
      newNum = twoBack + oneBack;
    } while (newNum < num); 
       
    return oddFib.reduce((a, b) => a + b);    
    
}



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