Пример #1
0
        public static void Test5()
        {
            var students = HardCodeStudents();
            // Split collection of Student to sub-collections of Student (IEnumerable<IGrouping<int, T>> where T : Student)
            // with normal method
            var result = LINQWorks.StudentsByGroups(students);

            result
            .ForEach(x =>
            {
                Console.WriteLine($"Group: {x.Key}");
                x.ForEach(y => Console.WriteLine($"{y.FullName}"));
            });
            PrintLine();

            // with ext method
            students
            .StudentsByGroups()
            .ForEach(x =>
            {
                Console.WriteLine($"Group: {x.Key}");
                x.ForEach(y => Console.WriteLine($"{y.FullName}"));
            });
            PrintLine();
        }
Пример #2
0
        // every method from group have comments what exactly testing - just separated to be easier to check results
        public static void Test()
        {
            var students = HardCodeStudents();

            // students whos first name lexicographically before last
            // with ext method
            var result = students.FirstBeforeLast();

            result.ForEach(x => Console.WriteLine(x.FullName));
            PrintLine();

            // with normal method
            result = LINQWorks.FirstBeforeLast(students);
            result.ForEach(x => Console.WriteLine(x.FullName));
            PrintLine();

            // students in age range 18-25 including
            // with ext method
            var otherResult = students.InAgeRange(18, 25);

            otherResult.ForEach(x => Console.WriteLine(x));
            PrintLine();

            // with normal method
            otherResult = LINQWorks.InAgeRange(students, 18, 25);
            otherResult.ForEach(x => Console.WriteLine(x));
            PrintLine();

            // sorted students lexicographically by decending first name - then by last name
            // with ext method
            result = students.StudentsSort();
            result.ForEach(x => Console.WriteLine(x.FullName));
            PrintLine();

            // with normal method
            result = LINQWorks.StudentsSort(students);
            result.ForEach(x => Console.WriteLine(x.FullName));
            PrintLine();

            // print numbers once to be seen easy
            var numbers = new[] { 4, 19, 21, 144, 48, 84, 96, 12, 7, 100, 0, 13, -5, 12, 3, 7 };

            PrintNumbers(numbers);

            // print numbers from array that can be devided by 3 AND 7 without reminder (can be changed to OR easy)
            // with ext method
            var numResult = numbers.DividebleByTwentyOne();

            PrintNumbers(numResult);

            // with normal method
            numResult = LINQWorks.DividebleByTwentyOne(numResult);
            PrintNumbers(numResult);
        }
Пример #3
0
        public static void Test2()
        {
            var students = HardCodeStudents();

            // students from group 2
            // with ext method
            students
            .StudentsFromGroup(2)
            .OrderBy(x => x.FirstName)
            .ForEach(x => Console.WriteLine($"{x.FullName} group: {x.GroupNumber}"));
            PrintLine();

            // with normal method
            var result = LINQWorks.StudentsFromGroup(students, 2);

            result
            .OrderBy(x => x.FirstName)
            .ForEach(x => Console.WriteLine($"{x.FullName} group: {x.GroupNumber}"));
            PrintLine();

            // students with specific domain
            // with ext method
            students
            .StudentsByMailDomain("abv.bg")
            .ForEach(x => Console.WriteLine($"{x.FullName} mail: {x.Mail}"));
            PrintLine();

            // with normal method
            result = LINQWorks.StudentsByMailDomain(students, "abv.bg");
            result
            .ForEach(x => Console.WriteLine($"{x.FullName} mail: {x.Mail}"));
            PrintLine();

            // students with phone in Sofia (+359 2 xxx xxxx) but let say all from Bulgaria so i dont check for +359 exactly
            // with ext method
            students
            .StudentsByPhone(2, "2")
            .ForEach(x => Console.WriteLine($"{x.FullName} tel.: {x.Tel}"));
            PrintLine();

            // with normal method
            result = LINQWorks.StudentsByPhone(students, 2, "2");
            result
            .ForEach(x => Console.WriteLine($"{x.FullName} tel.: {x.Tel}"));
            PrintLine();
        }