function sumOddFibonacciNumbers(num) {
    let sum = 0;
    let previous = 0;
    let current = 1;
    
    while(current <= num) {
        if(current % 2 === 1) {
            sum += current;
        }
        
        const nextValue = current + previous;
        previous = current;
        current = nextValue;
    }
    
    return sum;
}



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