public void BracketsLevelTest3()
        {
            string test = "()";

            int[] expected = new int[2] {
                1, 0
            };
            int[] actual = BracketsHelper.BracketsLevel(test);
            CollectionAssert.AreEqual(expected, actual);
        }
        public void BracketsLevelTest2()
        {
            string test = "(2/2)+(3*3)";

            int[] expected = new int[11] {
                1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0
            };
            int[] actual = BracketsHelper.BracketsLevel(test);
            CollectionAssert.AreEqual(expected, actual);
        }
 public void BracketsLevelTest4()
 {
     try
     {
         BracketsHelper.BracketsLevel("(1))))))");
     }
     catch (CheckingException exception)
     {
         Assert.AreEqual(exception.Message, "Missed 5 '(' ?");
     }
 }
 public void TrimBracketsTest2()
 {
     Assert.AreEqual("(7+5", BracketsHelper.TrimBrackets("(7+5"));
     Assert.AreEqual("7+5)", BracketsHelper.TrimBrackets("7+5)"));
     Assert.AreEqual("(7+5)+(3-4)", BracketsHelper.TrimBrackets("(7+5)+(3-4)"));
 }