public void Calculate_1()
        {
            var solution = new _0224_BasicCalculator();
            var result   = solution.Calculate("1 + 1");

            Assert.AreEqual(2, result);
        }
        public void Calculate_3()
        {
            var solution = new _0224_BasicCalculator();
            var result   = solution.Calculate("(1+(4+5+2)-3)+(6+8)");

            Assert.AreEqual(23, result);
        }
        public void Calculate_5()
        {
            var solution = new _0224_BasicCalculator();
            var result   = solution.Calculate("1+(1-(2+3))");

            Assert.AreEqual(-3, result);
        }
        public void Calculate_2()
        {
            var solution = new _0224_BasicCalculator();
            var result   = solution.Calculate(" 2-1 + 2 ");

            Assert.AreEqual(3, result);
        }