Added MemoryLeakTest (#87)

System.Linq.Dynamic.Core.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26403.0
+VisualStudioVersion = 15.0.26430.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{8463ED7E-69FB-49AE-85CF-0791AFD98E38}"
 EndProject
@@ -51,6 +51,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "System.Linq.Dynamic.Core.Co
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test-uap", "test-uap", "{ECA5702B-5D32-4888-A34E-9461FC533F23}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MemoryLeakTest", "src-console\MemoryLeakTest\MemoryLeakTest.csproj", "{DE991A5E-575C-4B0F-B93D-6D283E5928D6}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -217,6 +219,18 @@ Global
 		{467B5A08-2A38-45B6-BC29-4C013B280448}.Release|x64.Build.0 = Release|Any CPU
 		{467B5A08-2A38-45B6-BC29-4C013B280448}.Release|x86.ActiveCfg = Release|Any CPU
 		{467B5A08-2A38-45B6-BC29-4C013B280448}.Release|x86.Build.0 = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|x64.Build.0 = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Debug|x86.Build.0 = Debug|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|x64.ActiveCfg = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|x64.Build.0 = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|x86.ActiveCfg = Release|Any CPU
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -235,5 +249,6 @@ Global
 		{4E96C457-E09D-4ACB-BAD0-C0E154B78B27} = {7971CAEB-B9F2-416B-966D-2D697C4C1E62}
 		{0EB12661-F5CF-4071-9812-F4C8AF3D4531} = {7971CAEB-B9F2-416B-966D-2D697C4C1E62}
 		{467B5A08-2A38-45B6-BC29-4C013B280448} = {7971CAEB-B9F2-416B-966D-2D697C4C1E62}
+		{DE991A5E-575C-4B0F-B93D-6D283E5928D6} = {DBD7D9B6-FCC7-4650-91AF-E6457573A68F}
 	EndGlobalSection
 EndGlobal

src-console/MemoryLeakTest/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+    </startup>
+</configuration>

src-console/MemoryLeakTest/MemoryLeakTest.csproj

@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{DE991A5E-575C-4B0F-B93D-6D283E5928D6}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>MemoryLeakTest</RootNamespace>
+    <AssemblyName>MemoryLeakTest</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Linq.Dynamic, Version=1.0.6132.35681, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Linq.Dynamic.1.0.7\lib\net40\System.Linq.Dynamic.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Linq.Dynamic.Core, Version=0.0.0.0, Culture=neutral, PublicKeyToken=0f07ec44de6ac832, processorArchitecture=MSIL">
+      <HintPath>..\..\src\System.Linq.Dynamic.Core\bin\Release\net35\System.Linq.Dynamic.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Person.cs" />
+    <Compile Include="Pet.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Test.cs" />
+    <Compile Include="Toy.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

src-console/MemoryLeakTest/Person.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace MemoryLeakTest
+{
+	public class Person
+	{
+		public Guid Id;
+
+		public string Name;
+
+		public int From;
+
+		public int Till;
+	}
+}

src-console/MemoryLeakTest/Pet.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace MemoryLeakTest
+{
+	public class Pet
+	{
+		public Guid Id;
+
+		public string Name;
+
+		public Person Owner;
+
+		public Guid OwnerId { get { return Owner.Id; } }
+
+		public int From;
+
+		public int Till;
+	}
+}

src-console/MemoryLeakTest/Program.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace MemoryLeakTest
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+            Console.WriteLine("press key to run");
+		    Console.ReadKey();
+
+			Test t = new Test();
+			t.Join();
+		}
+	}
+}

src-console/MemoryLeakTest/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("MemoryLeakTest")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("MemoryLeakTest")]
+[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("de991a5e-575c-4b0f-b93d-6d283e5928d6")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

src-console/MemoryLeakTest/Test.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Linq.Dynamic.Core;
+
+namespace MemoryLeakTest
+{
+	public class Test
+	{
+		public void Join()
+		{
+			//Arrange
+			Person magnus = new Person { Id = Guid.NewGuid(), Name = "Hedlund, Magnus", From = 100, Till = 1000 };
+			Person terry = new Person { Id = Guid.NewGuid(), Name = "Adams, Terry", From = 10230, Till = 100440 };
+			Person charlotte = new Person { Id = Guid.NewGuid(), Name = "Weiss, Charlotte", From = 10, Till = 154 };
+
+			Pet barley = new Pet { Id = Guid.NewGuid(), Name = "Barley", Owner = terry, From = 67, Till = 231 };
+			Pet boots = new Pet { Id = Guid.NewGuid(), Name = "Boots", Owner = terry, From = 120, Till = 220 };
+			Pet whiskers = new Pet { Id = Guid.NewGuid(), Name = "Whiskers", Owner = charlotte, From = 3310, Till = 9010 };
+			Pet daisy = new Pet { Id = Guid.NewGuid(), Name = "Daisy", Owner = magnus, From = 27, Till = 1200 };
+
+			Toy ball1 = new Toy { Id = Guid.NewGuid(), From = 10, Till = 200, Pet = barley };
+			Toy ball2 = new Toy { Id = Guid.NewGuid(), From = 89, Pet = barley, Till = 348 };
+			Toy duck1 = new Toy { Id = Guid.NewGuid(), From = 10, Till = 200, Pet = boots };
+			Toy duck2 = new Toy { Id = Guid.NewGuid(), From = 89, Pet = whiskers, Till = 348 };
+			Toy toy1 = new Toy { Id = Guid.NewGuid(), From = 10, Till = 200, Pet = boots };
+			Toy toy2 = new Toy { Id = Guid.NewGuid(), From = 89, Pet = daisy, Till = 348 };
+			Toy something1 = new Toy { Id = Guid.NewGuid(), From = 10, Till = 200, Pet = daisy };
+			Toy something2 = new Toy { Id = Guid.NewGuid(), From = 89, Pet = barley, Till = 348 };
+			Toy toy3 = new Toy { Id = Guid.NewGuid(), From = 10, Till = 200, Pet = daisy };
+			Toy toy4 = new Toy { Id = Guid.NewGuid(), From = 89, Pet = whiskers, Till = 348 };
+
+
+			IList people = new List<Person> { magnus, terry, charlotte };
+			IList pets = new List<Pet> { barley, boots, whiskers, daisy };
+			IList toys = new List<Toy> { ball1, ball2, duck1, duck2, toy1, toy2, something1, something2, toy3, toy4 };
+
+			//Act
+			var sw = new Stopwatch();
+			long t = 0;
+			var rnd = new Random();
+			for (var i = 0; i < 400; i++)
+			{
+				sw.Start();
+				Act(people, pets, toys, rnd);
+				sw.Stop();
+				t = sw.ElapsedMilliseconds;
+				if (i % 10 == 0)
+				{
+					Console.WriteLine("{0} - {1}", i, t);
+				}
+				sw.Reset();
+			}
+		}
+
+		private dynamic[] Act(IList people, IList pets, IList toys, Random rnd)
+		{
+			var peopleQ = people.AsQueryable().Where(string.Format("From<{0} AND Till>{1}", rnd.Next(0, 500), rnd.Next(500, 20000)));
+			var petsQ = pets.AsQueryable().Where(string.Format("From<{0} AND Till>{1}", rnd.Next(0, 500), rnd.Next(500, 20000)));
+			var toyQ = toys.AsQueryable().Where(string.Format("From<{0} AND Till>{1}", rnd.Next(0, 500), rnd.Next(500, 20000)));
+
+			var q1 = petsQ.Join(toyQ, "new (Id as firstKey)", "new (PetId as firstKey)", "new (inner as toy, outer as pet)");
+			var q2 = peopleQ.Join(q1, "new (Id as firstKey)", "new (pet.OwnerId as firstKey)", "new (inner as pet, outer as person)")
+						.Select("new (person.Name as personName, pet.pet.Name as petName, pet.toy.Id as toyUid)");
+
+            var result = q2.ToDynamicArray();
+			return result;
+		}
+	}
+}

src-console/MemoryLeakTest/Toy.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace MemoryLeakTest
+{
+	public class Toy
+	{
+		public Guid Id;
+
+		public int From;
+
+		public int Till;
+
+		public Pet Pet;
+
+		public Guid PetId { get { return Pet.Id; } }
+	}
+}