public void ControlZero()
        {
            // arrange-nastroiti
            int[]  turnNumber = { 0, 5, 6, 8 };
            string expected   = BullsCows.ZERO_START;

            BullsCows c = new BullsCows();
            //act
            string actual = c.ControlNumber(turnNumber);

            // assert right or no
            Assert.AreEqual(expected, actual);
        }
        public void ControlRepeat4()
        {
            // arrange-nastroiti
            int[]  turnNumber = { 4, 4, 4, 4 };
            string expected   = BullsCows.REPEAT_NUMBER;

            BullsCows c = new BullsCows();
            //act
            string actual = c.ControlNumber(turnNumber);

            // assert right or no
            Assert.AreEqual(expected, actual);
        }
        public void ControlCorrect()
        {
            // arrange-nastroiti
            int[]  turnNumber = { 1, 2, 3, 4 };
            string expected   = BullsCows.GOOD_MESSAGE;

            BullsCows c = new BullsCows();
            //act
            string actual = c.ControlNumber(turnNumber);

            // assert right or no
            Assert.AreEqual(expected, actual);
        }
        public void ControlLength()
        {
            // arrange-nastroiti
            int[]  turnNumber = { 4, 5, 6, 7, 8 };
            string expected   = BullsCows.INCORRECT_LENGTH;

            BullsCows c = new BullsCows();
            //act
            string actual = c.ControlNumber(turnNumber);

            // assert right or no
            Assert.AreEqual(expected, actual);
        }