public void TestEnteredKeywordLastQ()
{
Stack myKeyword = StackSingleton.Instance;
Evaluate myExpression = new Evaluate();
myExpression.RunOperation(2, 2, '+');
Assert.AreEqual("2+2", myKeyword.RunKeywordEvaluation("lastq"));
}
public void TestValidateInputMultiply()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(7, 3, '*');
Assert.AreEqual(21, myCalc.Resultado);
}
public void TestValidateInputSubtract()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(7, 3, '-');
Assert.AreEqual(4, myCalc.Resultado);
}
public void TestValidateInputModulus()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(8, 4, '%');
Assert.AreEqual(0, myCalc.Resultado);
}
public void TestValidateInputDivide()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(9, 3, '/');
Assert.AreEqual(3, myCalc.Resultado);
}
public void TestValidateInputAdd()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(7, 3, '+');
Assert.AreEqual(10, myCalc.Resultado);
}
public void TestInvalidExpression()
{
Evaluate myCalc = new Evaluate();
myCalc.RunOperation(9, 3, '&');
}
public void ReadInput(string input)
{
// Split produces an array of string based on the separator symbols.
// The separator symbols will not be included in the array.
var currentInput = input.Split(new char[] { '+', '-', '*', '/', '%' });
// I must parse to the data type I want.
try
{
Value1 = int.Parse(currentInput[0]);
}
catch (Exception) {
Console.WriteLine("Please enter a valid number.");
}
// same here. I must parse the data type I want.
try
{
Value2 = int.Parse(currentInput[1]);
}
catch (Exception)
{
Console.WriteLine("Please enter a valid number.");
}
char operation;
// contains looks for the existence of the item.
if (input.Contains("+"))
operation = '+';
else if (input.Contains("-"))
operation = '-';
else if (input.Contains("*"))
operation = '*';
else if (input.Contains("/"))
operation = '/';
else if (input.Contains("%"))
operation = '%';
else {
Console.WriteLine("Please enter a valid operator.");
throw new InvalidOperationException();
}
Operador = operation;
Evaluate evaluator = new Evaluate();
evaluator.RunOperation(value1, value2, operation);
}
