public void YouCanCheckToSeeIfAMethodWasNotCalled() { // Create a stub. ISampleClass stub = CreateStub(); // Call some method. stub.MethodThatReturnsInteger("foo"); // Check that other methods were not called. stub.AssertWasNotCalled(s => s.MethodThatReturnsInteger("asdfdsf")); stub.AssertWasNotCalled(s => s.MethodThatReturnsObject(Arg <int> .Is.Anything)); stub.AssertWasNotCalled(s => s.VoidMethod()); }