public void LightOpeEncryptionWithComparing()
        {
            var lightOpe = new OpeSystem(100, 567);
            var c1       = lightOpe.Encrypt(50);
            var c2       = lightOpe.Encrypt(95);

            Assert.IsTrue(c2 > c1);
        }
        public void LightOpeEncryptionTest()
        {
            var lightOpe = new OpeSystem(100, 567);
            var c        = lightOpe.Encrypt(50);
            var m        = lightOpe.Decrypt(c);

            Assert.AreEqual(50, m);
        }