fix XElement copy, added unit tests & vsproject

.gitignore

@@ -0,0 +1,6 @@
+*.pdb
+*.exe
+**/obj/**
+*.dll
+*.class
+**/bin/**

ObjectExtensions.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Reflection;
 using System.ArrayExtensions;
+using System.Xml.Linq;
 
 namespace System
 {
@@ -23,6 +24,7 @@ private static Object InternalCopy(Object originalObject, IDictionary<Object, Ob
             if (originalObject == null) return null;
             var typeToReflect = originalObject.GetType();
             if (IsPrimitive(typeToReflect)) return originalObject;
+            if (typeof(XElement).IsAssignableFrom(typeToReflect)) return new XElement(originalObject as XElement);
             if (visited.ContainsKey(originalObject)) return visited[originalObject];
             if (typeof(Delegate).IsAssignableFrom(typeToReflect)) return null;
             var cloneObject = CloneMethod.Invoke(originalObject, null);

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("netobjdeepcopy")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Cegekanv")]
+[assembly: AssemblyProduct("netobjdeepcopy")]
+[assembly: AssemblyCopyright("Copyright © Cegekanv 2014")]
+[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("bfd6c69b-1477-40c5-afd2-0b8282cbed25")]
+
+// 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")]

netobjdeepcopy.csproj

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" 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>{7900459D-F2F7-461F-948A-FFE4EEFF6148}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>netobjdeepcopy</RootNamespace>
+    <AssemblyName>netobjdeepcopy</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <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' ">
+    <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.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ObjectExtensions.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </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>

netobjdeepcopy.sln

@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "netobjdeepcopy", "netobjdeepcopy.csproj", "{7900459D-F2F7-461F-948A-FFE4EEFF6148}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "unittests", "unittests\unittests.csproj", "{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7900459D-F2F7-461F-948A-FFE4EEFF6148}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7900459D-F2F7-461F-948A-FFE4EEFF6148}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7900459D-F2F7-461F-948A-FFE4EEFF6148}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7900459D-F2F7-461F-948A-FFE4EEFF6148}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

netobjdeepcopy.sln.DotSettings.user

@@ -0,0 +1,4 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/Housekeeping/UnitTestingMru/UnitTestSessionPersistentData/=01FF80D3B23A4615BC9319553B36CA53/@KeyIndexDefined">True</s:Boolean>
+	<s:String x:Key="/Default/Housekeeping/UnitTestingMru/UnitTestSessionPersistentData/=01FF80D3B23A4615BC9319553B36CA53/Name/@EntryValue">ObjectExtensionsTests</s:String>
+	<s:String x:Key="/Default/Housekeeping/UnitTestingMru/UnitTestSessionPersistentData/=01FF80D3B23A4615BC9319553B36CA53/XmlSerializedElements/@EntryValue">&lt;Session&gt;&lt;Elements&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestClassElement" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests.Copy_CopiesEnumerables" ParentId="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestMethodElement" MethodName="Copy_CopiesEnumerables" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests.Copy_CopiesNestedObject" ParentId="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestMethodElement" MethodName="Copy_CopiesNestedObject" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests.Copy_CopiesSingleBuiltInObjects" ParentId="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestMethodElement" MethodName="Copy_CopiesSingleBuiltInObjects" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests.Copy_CopiesSingleObject" ParentId="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestMethodElement" MethodName="Copy_CopiesSingleObject" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;UnitTestElement Provider="MSTest" Id="MsTest:unittests.ObjectExtensionsTests.Copy_XElementWithChildren" ParentId="MsTest:unittests.ObjectExtensionsTests" type="MsTestTestMethodElement" MethodName="Copy_XElementWithChildren" TypeName="unittests.ObjectExtensionsTests" Project="F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B" /&gt;&lt;/Elements&gt;&lt;/Session&gt;</s:String></wpf:ResourceDictionary>

unittests/ObjectExtensionsTests.cs

@@ -0,0 +1,94 @@
+#region
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Xml.Linq;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+#endregion
+
+namespace unittests
+{
+    [TestClass]
+    public class ObjectExtensionsTests
+    {
+        private class MySingleObject
+        {
+            public string One;
+            private int two;
+
+            public int Two
+            {
+                get { return two; }
+                set { two = value; }
+            }
+        }
+
+        private class MyNestedObject
+        {
+            public MySingleObject Single;
+            public string Meta;
+        }
+
+        [TestMethod]
+        public void Copy_XElementWithChildren()
+        {
+            XElement el = XElement.Parse(@"
+                <root>
+                    <child attrib='wow'>hi</child>
+                    <child attrib='yeah'>hello</child>
+                </root>");
+            XElement copied = el.Copy();
+
+            var children = copied.Elements("child").ToList();
+            Assert.AreEqual(2, children.Count);
+            Assert.AreEqual("wow", children[0].Attribute("attrib").Value);
+            Assert.AreEqual("hi", children[0].Value);
+
+            Assert.AreEqual("yeah", children[1].Attribute("attrib").Value);
+            Assert.AreEqual("hello", children[1].Value);
+        }
+
+        [TestMethod]
+        public void Copy_CopiesNestedObject()
+        {
+            MyNestedObject copied =
+                new MyNestedObject() {Meta = "metadata", Single = new MySingleObject() {One = "single_one"}}.Copy();
+
+            Assert.AreEqual("metadata", copied.Meta);
+            Assert.AreEqual("single_one", copied.Single.One);
+        }
+
+        [TestMethod]
+        public void Copy_CopiesEnumerables()
+        {
+            IList<MySingleObject> list = new List<MySingleObject>()
+            {
+                new MySingleObject() {One = "1"},
+                new MySingleObject() {One = "2"}
+            };
+            IList<MySingleObject> copied = list.Copy();
+
+            Assert.AreEqual(2, copied.Count);
+            Assert.AreEqual("1", list[0].One);
+            Assert.AreEqual("2", list[1].One);
+        }
+
+        [TestMethod]
+        public void Copy_CopiesSingleObject()
+        {
+            MySingleObject copied = new MySingleObject() {One = "one", Two = 2}.Copy();
+
+            Assert.AreEqual("one", copied.One);
+            Assert.AreEqual(2, copied.Two);
+        }
+
+        [TestMethod]
+        public void Copy_CopiesSingleBuiltInObjects()
+        {
+            Assert.AreEqual("hello there", "hello there".Copy());
+            Assert.AreEqual(123, 123.Copy());
+        }
+    }
+}

unittests/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("unittests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Cegekanv")]
+[assembly: AssemblyProduct("unittests")]
+[assembly: AssemblyCopyright("Copyright © Cegekanv 2014")]
+[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("ee1ceb32-5ed9-4c74-a402-2cb2d71450f0")]
+
+// 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")]

unittests/unittests.csproj

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{F3B0CDAD-046C-4023-B980-C5EA0FCE9D9B}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>unittests</RootNamespace>
+    <AssemblyName>unittests</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
+    <IsCodedUITest>False</IsCodedUITest>
+    <TestProjectType>UnitTest</TestProjectType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Xml.Linq" />
+  </ItemGroup>
+  <Choose>
+    <When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+  <ItemGroup>
+    <Compile Include="ObjectExtensionsTests.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\netobjdeepcopy.csproj">
+      <Project>{7900459d-f2f7-461f-948a-ffe4eeff6148}</Project>
+      <Name>netobjdeepcopy</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Choose>
+    <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.CodedUITestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Extension, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITesting, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
+  <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>