public void IncUpdatesDatabaseAndLocalValuesForSimpleProperty() { // Arrange. BlogPost post = CreateBlogPost(); post.ReadCount = 3; post.Save(); // Act. post.Inc(p => p.ReadCount, 1); // Assert. Assert.That(post.ReadCount, Is.EqualTo(4)); Assert.That(BlogPost.Find(post.ID).ReadCount, Is.EqualTo(4)); }