public bool Balance_WithSeveralNumbers(string str)
        {
            var brackets = new List <Bracket>();

            brackets.Add(new Bracket('(', ')'));
            brackets.Add(new Bracket('[', ']'));
            brackets.Add(new Bracket('{', '}'));

            return(BalanceTask.Balance(str, brackets));
        }
        public void Balance_WithStringWithoutBrackets_True()
        {
            bool actual = BalanceTask.Balance("123456789", new List <Bracket>());

            Assert.IsTrue(actual);
        }
 public void Balance_WithNullString_ArgumentNullException() =>
 Assert.Throws <ArgumentNullException>(() => BalanceTask.Balance(null, new List <Bracket>()));