public void TestUpdateProvince() { Province provinceOne = new Province(2, "Pekin"); List <Province> provinces = new List <Province> { provinceOne }; DynamicMock mockLocationsManager = new DynamicMock(typeof(LocationsManager)); mockLocationsManager.SetReturnValue("GetProvinces", provinces); mockLocationsManager.ExpectAndReturn("UpdateProvince", true, provinceOne); LocationsManager mocklocationManager = (LocationsManager)mockLocationsManager.MockInstance; LocationServices locationService = new LocationServices(mocklocationManager); Assert.AreEqual("Pekin", locationService.GetProvinces()[0].Name); Assert.AreEqual(true, locationService.UpdateProvince(provinceOne)); }