} // CheckOperation()
/// <summary>
/// Does the calculation.
/// </summary>
/// <param name="operation">The operation.</param>
/// <param name="a">First operand.</param>
/// <param name="b">Second operand.</param>
/// <returns>The operation result.</returns>
private static int DoCalculation(string operation, int a, int b)
{
operation = operation.ToLower();
int result;
if (operation == "add")
{
result = MyLibraryCore.OperationAdd(a, b);
}
else if (operation == "subtract")
{
result = MyLibraryCore.OperationSubtract(a, b);
}
else if (operation == "multiply")
{
result = MyLibraryCore.OperationMultiply(a, b);
}
else
{
result = MyLibraryCore.OperationDivide(a, b);
} // if
return(result);
} // DoCalculation()
public void TestOperationDivideByZero()
{
Assert.Throws <LibraryException>(() => MyLibraryCore.OperationDivide(1, 0));
}
public void TestOperationDivide()
{
var actual = MyLibraryCore.OperationDivide(10, 2);
Assert.Equal(5, actual);
}
public void TestOperationMultiply()
{
var actual = MyLibraryCore.OperationMultiply(10, 2);
Assert.Equal(20, actual);
}
public void TestOperationSubtract()
{
var actual = MyLibraryCore.OperationSubtract(10, 2);
Assert.Equal(8, actual);
}
public void TestOperationAdd()
{
var actual = MyLibraryCore.OperationAdd(1, 2);
Assert.Equal(3, actual);
}
