public static void Throws <T>(Action action, string expectedMessage) where T : Exception
{
AssertAnswer answer = AssertAction <T>(action, expectedMessage);
Assert.IsTrue(answer.Success);
Assert.AreEqual(expectedMessage, answer.Message);
}
public static AssertAnswer AssertAction <T>(Action action, string expectedMessage) where T : Exception
{
AssertAnswer answer = new AssertAnswer();
try
{
action.Invoke();
answer.Success = false;
answer.Message = string.Format("Exception of type {0} should be thrown.", typeof(T));
}
catch (T exc)
{
answer.Success = true;
answer.Message = expectedMessage;
}
catch (Exception e)
{
answer.Success = false;
answer.Message = string.Format("A different Exception was thrown {0}.", e.GetType());
}
return(answer);
}
