private void ButtonOperation_Click(object sender, RoutedEventArgs e)
{
MathsOperation operation = MathsOperation.None;
switch ((sender as Button).Name)
{
case "ButtonEquals":
operation = MathsOperation.None;
break;
case "ButtonPlus":
operation = MathsOperation.Add;
break;
case "ButtonMinus":
operation = MathsOperation.Subtract;
break;
case "ButtonMultiply":
operation = MathsOperation.Multiply;
break;
case "ButtonDivide":
operation = MathsOperation.Divide;
break;
case "ButtonExponent":
operation = MathsOperation.Power;
break;
case "ButtonModulo":
operation = MathsOperation.Modulo;
break;
case "ButtonNaturalLog":
operation = MathsOperation.NaturalLog;
break;
case "ButtonLog10":
operation = MathsOperation.Log10;
break;
case "ButtonSqrt":
operation = MathsOperation.Sqrt;
break;
case "ButtonEx":
operation = MathsOperation.Ex;
break;
}
OperationButtonClicked(operation);
}
public void TestAddition()
{
MathsOperation mathsOperation = new MathsOperation();
Assert.AreEqual(3, mathsOperation.Addtion(1, 2));
}
/// <summary>
/// Method used for executing an operation and displaying its result. Called whenever a button is pressed.
/// If two operations have been called (eg. num1 + num2 +), then the first operation is executed, and the second one is stored for later.
/// </summary>
/// <param name="newOperation">The operation pressed, None if pressed Equals</param>
private void OperationButtonClicked(MathsOperation newOperation)
{
// Do the check here
if (ViewModel.MathsOperation != MathsOperation.None)
{
// If the operation isn't none, then perform that operation and save the new one
// eg. value1 + value2 + value3 = ; first add value1+value2, then add value3
string result = "ERR";
ViewModel.NumbersAsStrings.Add(ResultBlock.Text);
switch (ViewModel.MathsOperation)
{
case MathsOperation.Add:
result = ViewModel.Add();
break;
case MathsOperation.Subtract:
result = ViewModel.Subtract();
break;
case MathsOperation.Multiply:
result = ViewModel.Multiply();
break;
case MathsOperation.Divide:
result = ViewModel.Divide();
break;
case MathsOperation.Power:
result = ViewModel.RaiseToPower();
break;
case MathsOperation.Modulo:
result = ViewModel.Modulo();
break;
case MathsOperation.NaturalLog:
result = ViewModel.NaturalLog();
break;
case MathsOperation.Log10:
result = ViewModel.Log10();
break;
case MathsOperation.Sqrt:
result = ViewModel.Sqrt();
break;
case MathsOperation.Ex:
result = ViewModel.Ex();
break;
}
ResultBlock.Text = result;
}
else
{
ResultBlock.Text = "";
}
ViewModel.NumbersAsStrings.Clear();
ViewModel.NumbersAsStrings.Add(ResultBlock.Text);
ViewModel.MathsOperation = newOperation;
}
