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));
}