function sumOddFibonacciNumbers(num) {
  let prev = 0
  let curr = 1
  let total = 1
  let holder = 0;
  while(true) {
    holder = prev + curr;
    if(holder >= num) {
      break;
    }
    if(holder % 2) {
      total += holder;
    }
    prev = curr;
    curr = holder;
  }
  return total;
}



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