I'll admit, this is the first time I've used git.

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+*.sln    merge=union
+*.csproj merge=union
+*.vbproj merge=union
+*.fsproj merge=union
+*.dbproj merge=union
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+
+# Roslyn cache directories
+*.ide/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+#NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding addin-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings 
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# If using the old MSBuild-Integrated Package Restore, uncomment this:
+#!**/packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp

Dragablz.Test/CollectionTeaserFixture.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Security;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.CSharp;
+using NUnit.Framework;
+using Rhino.Mocks;
+
+namespace Dragablz.Test
+{
+    [TestFixture]
+    public class CollectionTeaserFixture
+    {
+        [Test]
+        public void WillCreateForList()
+        {
+            var myList = new ArrayList();
+
+            CollectionTeaser collectionTeaser;
+            var result = CollectionTeaser.TryCreate(myList, out collectionTeaser);
+
+            Assert.IsTrue(result);
+            Assert.IsNotNull(collectionTeaser);
+        }
+
+        [Test]
+        public void WillCreateForGenericCollection()
+        {
+            var myList = MockRepository.GenerateStub<ICollection<string>>();
+
+            CollectionTeaser collectionTeaser;
+            var result = CollectionTeaser.TryCreate(myList, out collectionTeaser);
+
+            Assert.IsTrue(result);
+            Assert.IsNotNull(collectionTeaser);
+        }
+
+        [Test]
+        public void WillCreateForCollection()
+        {
+            var myList = MockRepository.GenerateStub<ICollection>();
+
+            CollectionTeaser collectionTeaser;
+            var result = CollectionTeaser.TryCreate(myList, out collectionTeaser);
+
+            Assert.IsFalse(result);
+            Assert.IsNull(collectionTeaser);
+        }
+
+        [Test]
+        public void WillAddForList()
+        {
+            var myList = new ArrayList();
+            CollectionTeaser collectionTeaser;
+            Assert.IsTrue(CollectionTeaser.TryCreate(myList, out collectionTeaser));
+
+            collectionTeaser.Add("i am going to type this in, manually, twice.");
+
+            CollectionAssert.AreEquivalent(new[] {"i am going to type this in, manually, twice."}, myList);
+            //i didnt really.  i copied and pasted it.
+        }
+
+        [Test]
+        public void WillRemoveForList()
+        {
+            var myList = new ArrayList
+            {
+                1,
+                2,
+                3,
+                4,
+                5
+            };
+            CollectionTeaser collectionTeaser;
+            Assert.IsTrue(CollectionTeaser.TryCreate(myList, out collectionTeaser));
+
+            collectionTeaser.Remove(3);
+
+            CollectionAssert.AreEquivalent(new[] {1, 2, 4, 5}, myList);
+        }
+
+        [Test]
+        public void WillAddForGenericCollection()
+        {
+            var myList = MockRepository.GenerateStub<ICollection<string>>();
+            CollectionTeaser collectionTeaser;
+            Assert.IsTrue(CollectionTeaser.TryCreate(myList, out collectionTeaser));
+
+            collectionTeaser.Add("hello");
+
+            myList.AssertWasCalled(c => c.Add("hello"));
+            myList.AssertWasNotCalled(c => c.Remove("hello"));
+        }
+
+        [Test]
+        public void WillRemoveForGenericCollection()
+        {
+            var myList = MockRepository.GenerateStub<ICollection<string>>();
+            CollectionTeaser collectionTeaser;
+            Assert.IsTrue(CollectionTeaser.TryCreate(myList, out collectionTeaser));
+
+            collectionTeaser.Remove("bye");
+
+            myList.AssertWasCalled(c => c.Remove("bye"));
+            myList.AssertWasNotCalled(c => c.Add("bye"));
+
+        }
+    }
+}