public void Should_BeAbleTo_Create_NullObjectOf_DerivedInterface_With_BaseMembers() { IDerived testDerivedInterface = Null.Of <IDerived>(); Assert.True(testDerivedInterface is IDerived, "Wrong interface generated."); testDerivedInterface.String = "Test"; testDerivedInterface.Integer = default(int); testDerivedInterface.Test(); }