private void ReplaceExpectation(IExpectation anyArgsExpectation)
{
//All other expectations ignore arguments, so it's safe to replace
//arguments when the previous expectation is any args.
if (expectationReplaced && !(expectation is AnyArgsExpectation))
{
string message = "This method has already been set to " + expectation.GetType().Name + ".";
throw new InvalidOperationException(message);
}
repository.Recorder.ReplaceExpectation(proxy, expectation.Method, expectation, anyArgsExpectation);
expectation = anyArgsExpectation;
record.LastExpectation = expectation;
expectationReplaced = true;
}