public void FuncSpec_WithCustomFunc() { using (var uow = CreateMemoryUoW(typeof(Author))) { const int numOfAuthorsA = 10, numOfAuthorsB = 12; var authorAQrit = new EF.NameQriteria { Name = "A." }; var authorBQrit = new EF.NameQriteria { Name = "B." }; AddAuthors(uow, numOfAuthorsA, authorAQrit.Name); AddAuthors(uow, numOfAuthorsB, authorBQrit.Name); //Arrange var spec = LinqSpec <Author> .FilterFunc <EF.NameQriteria>( (qrit) => author => author.Name.StartsWith(qrit.Name) ); //Act var actual = spec.Query(uow.Linq.Query <Author>(), authorBQrit); //Assert Assert.AreEqual(numOfAuthorsB, actual.Count()); Assert.IsTrue(actual.Any(a => a.Name.StartsWith(authorBQrit.Name))); } }