public void orderBy_lastName_and_firstName_and_age() { var employees = new[] { new Employee { FirstName = "Joey", LastName = "Wang", Age = 50 }, new Employee { FirstName = "Tom", LastName = "Li", Age = 31 }, new Employee { FirstName = "Joseph", LastName = "Chen", Age = 32 }, new Employee { FirstName = "Joey", LastName = "Chen", Age = 33 }, new Employee { FirstName = "Joey", LastName = "Wang", Age = 20 }, }; var firstCombineComparer = new CombineComparer <string>(element => element.LastName, Comparer <string> .Default); var secondCombineComparer = new CombineComparer <string>(element => element.FirstName, Comparer <string> .Default); var thirdCombineComparer = new CombineComparer <int>(element => element.Age, Comparer <int> .Default); var firstCombo = new ComboComparer(firstCombineComparer, secondCombineComparer); var finalCombo = new ComboComparer(firstCombo, thirdCombineComparer); var actual = MyOwnLinq.JoeyOrderBy(employees, finalCombo); var expected = new[] { new Employee { FirstName = "Joey", LastName = "Chen", Age = 33 }, new Employee { FirstName = "Joseph", LastName = "Chen", Age = 32 }, new Employee { FirstName = "Tom", LastName = "Li", Age = 31 }, new Employee { FirstName = "Joey", LastName = "Wang", Age = 20 }, new Employee { FirstName = "Joey", LastName = "Wang", Age = 50 }, }; expected.ToExpectedObject().ShouldMatch(actual); }
public void orderBy_lastName_and_firstName() { var employees = new[] { new Employee { FirstName = "Joey", LastName = "Wang" }, new Employee { FirstName = "Tom", LastName = "Li" }, new Employee { FirstName = "Joseph", LastName = "Chen" }, new Employee { FirstName = "Joey", LastName = "Chen" }, }; var firstCombineComparer = new CombineComparer <string>(element => element.LastName, Comparer <string> .Default); var secondCombineComparer = new CombineComparer <string>(element => element.FirstName, Comparer <string> .Default); var actual = MyOwnLinq.JoeyOrderBy(employees, new ComboComparer(firstCombineComparer, secondCombineComparer)); var expected = new[] { new Employee { FirstName = "Joey", LastName = "Chen" }, new Employee { FirstName = "Joseph", LastName = "Chen" }, new Employee { FirstName = "Tom", LastName = "Li" }, new Employee { FirstName = "Joey", LastName = "Wang" }, }; expected.ToExpectedObject().ShouldMatch(actual); }