function sumOddFibonacciNumbers(num) {
    //  write code here.
    x = 0
    fib = 1
    sum = 0
    
    while(fib <= num){
        if(fib % 2)
            sum += fib
            
        fib = x + fib
        x = fib - x
    }
    return sum
}

// 0 1 

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