示例#1
0
        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);
        }
示例#2
0
        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);
        }