public void ReflectorInvokeThrowsParameterCountException()
{
var method = typeof(ReflectorTests.Invoke.TestMethodCommandClass).GetMethod("ThrowsException");
var wrappedMethod = Reflector.Wrap(method);
var obj = new ReflectorTests.Invoke.TestMethodCommandClass();
var ex = Record.Exception(() => wrappedMethod.Invoke(obj, "Hello world"));
// Windows Phone 7 appears to throw ArgumentException instead of the expected TargetParameterCountException
// Simply add another catch clause into Reflector+ReflectionMethodInfo.Invoke for ArgumentException
// try
// {
// method.Invoke(testClass, new object[0]);
// }
// #if WINDOWS_PHONE
// catch (ArgumentException) // <--- Add this
// {
// throw new ParamterCountMismatchException();
// }
// #endif
// catch (TargetParameterCountException)
// {
// throw new ParamterCountMismatchException();
// }
// catch (TargetInvocationException ex)
// {
// ExceptionUtility.RethrowWithNoStackTraceLoss(ex.InnerException);
// throw;
// }
Assert.IsType <ParamterCountMismatchException>(ex);
}
public void ExceptionThrownWhenInvokingMethodIsStillThrownAfterCommentingOutRethrowWithNoStackLoss()
{
var method = typeof(ReflectorTests.Invoke.TestMethodCommandClass).GetMethod("ThrowsException");
var wrappedMethod = Reflector.Wrap(method);
var obj = new ReflectorTests.Invoke.TestMethodCommandClass();
Exception ex = Record.Exception(() => wrappedMethod.Invoke(obj));
if (ex == null)
{
// If you see this message, it means that exceptions aren't getting propogated out of the
// unit test system. If you've commented out RethrowWithNoStackTraceLoss above, then you need
// to add a "throw;" after where Rethrow... was being called - for this test, that means
// Reflector.ReflectionMethodInfo.Invoke. It should look like:
//
// catch (TargetInvocationException ex)
// {
// ExceptionUtility.RethrowWithNoStackTraceLoss(ex.InnerException);
// throw; // <---- New line
// }
//
// This is the only test that displays a message box - if this test fails, it means that
// the system isn't reporting failures, so we need to resort to something drastic to get
// it working. Once this test works, other failures will be reported accurately.
// Arguably, this could be split into two tests - one that the xunitcontrib provider is
// properly reporting failures, and this method to assert that the correct changes are
// applied to xunit
var thisMethod = new StackTrace().GetFrame(0).GetMethod();
MessageBox.Show(string.Format("Failing tests are not being reported{0}{0}TargetInvocationException not being rethrown{0}See {1}.{2} for more details",
Environment.NewLine, thisMethod.DeclaringType.Name, thisMethod.Name));
throw new ExceptionNotBeingRethrownException("Reflector.ReflectionMethodInfo.Invoke");
}
Assert.NotNull(ex);
Assert.IsType <TargetInvocationException>(ex);
Assert.IsType <InvalidOperationException>(ex.InnerException);
}
