Fixed issue #129

Author: StefH

src-console/ConsoleAppEF1.1/Program.cs

@@ -11,6 +11,14 @@ static void Main(string[] args)
         {
             using (var db = new MyDbContext())
             {
+                var all = new
+                {
+                    test1 = new List<int> { 1, 2, 3 }.ToDynamicList(typeof(int)),
+                    test2 = new List<dynamic> { 4, 5, 6 }.ToDynamicList(typeof(int)),
+                    test3 = new List<object> { 7, 8, 9 }.ToDynamicList(typeof(int))
+                };
+                Console.WriteLine("all {0}", JsonConvert.SerializeObject(all, Formatting.Indented));
+
                 var persons = new List<Person>
                 {
                     new Person { Name = "a", Age = 18, Address = new Address { Street = "s1" } },

src-console/ConsoleAppEF2.0/Program.cs

@@ -27,6 +27,14 @@ public HashSet<Type> GetCustomTypes()
 
         static void Main(string[] args)
         {
+            var all = new 
+            {
+                test1 = new List<int> { 1, 2, 3 }.ToDynamicList(typeof(int)),
+                test2 = new List<dynamic> { 4, 5, 6 }.ToDynamicList(typeof(int)),
+                test3 = new List<object> { 7, 8, 9 }.ToDynamicList(typeof(int))
+            };
+            Console.WriteLine("all {0}", JsonConvert.SerializeObject(all, Formatting.Indented));
+
             var config = new ParsingConfig();
             config.CustomTypeProvider = new C();
 

src-console/ConsoleApp_net452_EF6/ConsoleApp_net452_EF6.csproj

@@ -62,6 +62,9 @@
     <Reference Include="Linq.Expression.Optimizer, Version=1.0.6.0, Culture=neutral, PublicKeyToken=34b6af2337893e15, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Linq.Expression.Optimizer.1.0.9\lib\net45\Linq.Expression.Optimizer.dll</HintPath>
     </Reference>
+    <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />

src-console/ConsoleApp_net452_EF6/Program.cs

@@ -1,14 +1,24 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using ConsoleApp_net452_EF6.Entities;
 using System.Linq.Dynamic.Core;
+using Newtonsoft.Json;
 
 namespace ConsoleApp_net452_EF6
 {
     class Program
     {
         static void Main(string[] args)
         {
+            var all = new
+            {
+                test1 = new List<int> { 1, 2, 3 }.ToDynamicList(typeof(int)),
+                test2 = new List<dynamic> { 4, 5, 6 }.ToDynamicList(typeof(int)),
+                test3 = new List<object> { 7, 8, 9 }.ToDynamicList(typeof(int))
+            };
+
+            Console.WriteLine("all {0}", JsonConvert.SerializeObject(all, Formatting.Indented));
             using (var context = new KendoGridDbContext())
             {
                 string search = "2";

src-console/ConsoleApp_net452_EF6/packages.config

@@ -3,4 +3,5 @@
   <package id="EntityFramework" version="6.2.0" targetFramework="net452" />
   <package id="FSharp.Core" version="4.2.3" targetFramework="net452" />
   <package id="Linq.Expression.Optimizer" version="1.0.9" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net452" />
 </packages>

src/System.Linq.Dynamic.Core/DynamicEnumerableExtensions.cs

@@ -65,11 +65,11 @@ public static dynamic[] ToDynamicArray([NotNull] this IEnumerable source, [NotNu
             Check.NotNull(source, nameof(source));
             Check.NotNull(type, nameof(type));
 
-            object result = ToDynamicArrayGenericMethod.MakeGenericMethod(type).Invoke(source, new object[] { source });
+            IEnumerable result = (IEnumerable)ToDynamicArrayGenericMethod.MakeGenericMethod(type).Invoke(source, new object[] { source });
 #if NET35
-            return (object[])result;
+            return CastToArray<object>(result);
 #else
-            return (dynamic[])result;
+            return CastToArray<dynamic>(result);
 #endif
         }
 
@@ -132,4 +132,4 @@ internal static List<T> CastToList<T>(IEnumerable source)
             return source.Cast<T>().ToList();
         }
     }
-}
+}

test/System.Linq.Dynamic.Core.Tests/DynamicEnumerableExtensionsTests.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using NFluent;
+using Xunit;
+
+namespace System.Linq.Dynamic.Core.Tests
+{
+    public class DynamicEnumerableExtensionsTests
+    {
+        [Fact]
+        public void DynamicEnumerableExtensions_ToDynamicArray_int_to_int()
+        {
+            // Act
+            var result = new List<int> { 0, 1 }.ToDynamicList(typeof(int));
+
+            // Assert
+            Check.That(result).ContainsExactly(0, 1);
+        }
+
+        [Fact]
+        public void DynamicEnumerableExtensions_ToDynamicArray_dynamic_to_int()
+        {
+            // Act
+            var result = new List<dynamic> { 0, 1 }.ToDynamicList(typeof(int));
+
+            // Assert
+            Check.That(result).ContainsExactly(0, 1);
+        }
+
+        [Fact]
+        public void DynamicEnumerableExtensions_ToDynamicArray_object_to_int()
+        {
+            // Act
+            var result = new List<object> { 0, 1 }.ToDynamicList(typeof(int));
+
+            // Assert
+            Check.That(result).ContainsExactly(0, 1);
+        }
+    }
+}