I recently discovered a rather annoying limitation in Moq: you cannot setup expectations on the ToString method.  For a good discussion of the issue, check out Sean’s post.  His solution was to add ToString explicitly to the interface you are mocking, but I don’t want to dirty up my interfaces unnecessarily.  Fortunately, Moq does allow…

I have on several occasions wished that I could setup expectations in Moq for subsequent calls to a method.  For example, I might want Moq to return one value the first time a method is called, but a different value the second and third times.  Phil Haack has a nice way to achieve this, but…