public void TestMethodGcdEuclidTwoNumbers()
        {
            double time;
            int    a, b, gcd;

            for (int i = 0; i < 100; i++)
            {
                time = 0;
                a    = rand.Next(-1000, 1001);
                b    = rand.Next(-1000, 1001);

                gcd = NOD.findGcdEuclid(a, b, ref time);

                Assert.IsTrue(CheckResult(gcd, a, b));
            }
        }