public void RegisterTypes_DoNotMapConfiguration_MergedIntoOutput() { TestableUnityConfigProvider.AddDoNotMaps(typeof(String)); var types = new[] { typeof(TestableUnityConfigProvider) }; // Act controller.RegisterTypes(MappingBehaviors.None, types); // Assert mappingFactory.Verify(mf => mf.CreateMappings(MappingBehaviors.None, It.Is <AutomapperConfig>(ac => !ac.IsMappable(typeof(String))), types)); }