public int EvaluateInput(string input, Constant constant)
{
Parse parse = new Parse();
Add add_input = new Add();
Subtract subtract_input = new Subtract();
Multiply multiply_input = new Multiply();
Divide divide_input = new Divide();
Modulo modulo_input = new Modulo();
if (parse.OperatorInput(input) == '+')
{
return add_input.AddConstants(input, constant);
}
if (parse.OperatorInput(input) == '-')
{
return subtract_input.SubtractConstants(input, constant);
}
if (parse.OperatorInput(input) == '*')
{
return multiply_input.MultiplyConstants(input, constant);
}
if (parse.OperatorInput(input) == '/')
{
return divide_input.DivideConstants(input, constant);
}
if (parse.OperatorInput(input) == '%')
{
return modulo_input.ModuloConstants(input, constant);
}
throw new FormatException();
}
public void EvaluateUserInput(int v1, int v2, char op)
{
stack.SetLastExpression(v1, v2, op);
switch (op)
{
case '+':
Add add = new Add();
ResultFromEval = add.Operate(v1, v2);
break;
case '-':
Subtract sub = new Subtract();
ResultFromEval = sub.Operate(v1, v2);
break;
case '/':
Divide div = new Divide();
ResultFromEval = div.Operate(v1, v2);
break;
case '*':
Multiply mul = new Multiply();
ResultFromEval = mul.Operate(v1, v2);
break;
case '%':
Modulus mod = new Modulus();
ResultFromEval = mod.Operate(v1, v2);
break;
default:
break;
}
}
private void button3_Click(object sender, EventArgs e)
{
Subtract subtract = new Subtract();
subtract.Show();
this.Hide();
}
public int EvaluateInput(string input)
{
Parser parse = new Parser();
Add add_input = new Add();
Subtract subtract_input = new Subtract();
Multiply multiply_input = new Multiply();
Divide divide_input = new Divide();
Modulo modulo_input = new Modulo();
if (parse.GetOperator(input) == '+')
{
return add_input.AddItems(input);
}
if (parse.GetOperator(input) == '-')
{
return subtract_input.SubtractItems(input);
}
if (parse.GetOperator(input) == '*')
{
return multiply_input.MultiplyItems(input);
}
if (parse.GetOperator(input) == '/')
{
return divide_input.DivideItems(input);
}
if (parse.GetOperator(input) == '%')
{
return modulo_input.ModuloItems(input);
}
throw new FormatException();
}
public void SubtractWorksWithConstants()
{
string mock_input = "a - 2";
Parser parse = new Parser();
char toBeKey = char.Parse(parse.GetFirst(mock_input));
int toBeKeyValue = int.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKey, 1);
Subtract items = new Subtract();
Assert.AreEqual(-1, items.SubtractConstants(mock_input, constant));
}
public void Calculator()
{
try
{
do
{
Console.WriteLine("---------------------");
Console.WriteLine("What would you like to do?");
Console.WriteLine("1: Add");
Console.WriteLine("2: Subtract");
Console.WriteLine("3: Multiply");
Console.WriteLine("4: Divide");
Console.WriteLine("5: Quit");
Choice = int.Parse(Console.ReadLine());
Console.WriteLine("---------------------");
switch (Choice)
{
case 1:
Addition addition = new Addition();
Total = addition.addNumbers(Num1, Num2);
Console.WriteLine($"Answer: {Num1} + {Num2} = {Total}\n");
isValid = true;
break;
case 2:
Subtract subtraction = new Subtract();
Total = subtraction.subtractNumbers(Num1, Num2);
Console.WriteLine($"Answer: {Num1} - {Num2} = {Total}\n");
isValid = true;
break;
case 3:
Multiply multiplication = new Multiply();
Total = multiplication.multiplyNumbers(Num1, Num2);
Console.WriteLine($"Answer: {Num1} x {Num2} = {Total}\n");
isValid = true;
break;
case 4:
Divide division = new Divide();
Total = division.divideNumbers(Num1, Num2);
Console.WriteLine($"Answer: {Num1} / {Num2} = {Total}\n");
isValid = true;
break;
case 5:
Console.WriteLine("Quit");
break;
default:
Console.WriteLine("Invalid choice\n");
isValid = false;
break;
}
} while (isValid != true);
}
catch (Exception)
{
Console.WriteLine("Error occurred!");
Calculator();
}
}
public void SubtractWorks()
{
string mock_input = "1 - 2";
Subtract addItems = new Subtract();
Assert.AreEqual(-1, addItems.SubtractItems(mock_input));
}
