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Author: Lempireqc

test/System.Linq.Dynamic.Core.Tests/MikArea/Comparer.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NFluent;
+using Xunit;
+
+namespace System.Linq.Dynamic.Core.Tests.MikArea
+{
+    
+    public class Comparer
+    {
+        public class Customer
+        {
+            public string City { get; set; }
+            public List<Order> Orders { get; set; }
+            public string CompanyName { get; set; }
+            public string Phone { get; set; }
+        }
+        public class Order
+        {
+        }
+
+        [Fact]
+        public void Comparer_OrderBy_And_ThenBy()
+        {
+            List<Customer> customers = new List<Customer>() { new Customer() { CompanyName = "Ååå"} ,
+                new Customer() { CompanyName = "Bbb" }  ,
+                new Customer() { CompanyName = "Ååå" }  ,
+                new Customer() { CompanyName = "Bbb" }  ,
+                new Customer() { CompanyName = "Aaa" },
+                new Customer() { CompanyName = "Aaa" },
+            };
+
+            CultureInfo culture = new CultureInfo("nb-NO");
+            var test1 = customers.AsQueryable().OrderBy(x => x.CompanyName, StringComparer.Create(culture, true)).ToList();
+            var test2 = customers.AsQueryable().OrderBy(x => x.CompanyName).ToList();
+            var test3 = customers.AsQueryable().OrderBy(x => x.City).ThenBy(x => x.CompanyName, StringComparer.Create(culture, true)).ToList();
+            var test2_V2 = customers.AsQueryable()
+                .OrderBy("CompanyName");
+            var test3_V2 = customers.AsQueryable()
+                .OrderBy("City").ThenBy("CompanyName", StringComparer.Create(culture, true));
+            var test1_V2 = customers.AsQueryable()
+                .OrderBy("CompanyName", StringComparer.Create(culture, true));
+
+            for (int i = 0; i < test2.Count; i++)
+            { 
+                Check.That(test2.ElementAt(i).CompanyName).IsEqualTo(test2_V2.ElementAt(i).CompanyName);
+            }
+            for (int i = 0; i < test1.Count; i++)
+            {
+                Check.That(test1.ElementAt(i).CompanyName).IsEqualTo(test1_V2.ElementAt(i).CompanyName);
+            }
+            for (int i = 0; i < test3.Count; i++)
+            {
+                Check.That(test3.ElementAt(i).CompanyName).IsEqualTo(test3_V2.ElementAt(i).CompanyName);
+            }
+        }
+
+        [Fact]
+        public void Comparer_GroupBy()
+        {
+            List<Customer> customers = new List<Customer>() { new Customer() { City = "ZZZ" }, new Customer() { City = "ZzZ" } };
+            var check = customers.GroupBy(x => x.City, StringComparer.InvariantCultureIgnoreCase).ToList();
+            var check2 = customers.GroupBy(x => x.City,x => new { Name = x.CompanyName, Phone = x.Phone }, StringComparer.InvariantCultureIgnoreCase).ToList();
+            var check3 = customers.GroupBy(x => x.City, x => new { Name = x.CompanyName, Phone = x.Phone }).ToList();
+
+            var check_V2 = customers.AsQueryable().GroupBy("City", StringComparer.InvariantCultureIgnoreCase);
+            var check2_V2 = customers.AsQueryable().GroupBy("City", "new(CompanyName as Name, Phone)", StringComparer.InvariantCultureIgnoreCase);
+            var check3_V2 = customers.AsQueryable().GroupBy("City", "new(CompanyName as Name, Phone)");
+             
+            Check.That(check.Count).IsEqualTo(check_V2.Count()); 
+            Check.That(check2.Count).IsEqualTo(check2_V2.Count()); 
+            Check.That(check3.Count).IsEqualTo(check3_V2.Count()); 
+        }
+    }
+}