Added NUnit Test

Aufgabe3/ConsoleApplication1.sln.DotSettings.user

+<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:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=f4fc3798_002D1b46_002D48e5_002Db694_002D237672f703ea/@EntryIndexedValue">&lt;SessionState ContinuousTestingMode="0" IsActive="True" Name="PushAndStopIfFull" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session"&gt;&#xD;
+  &lt;TestAncestor&gt;&#xD;
+    &lt;TestId&gt;NUnit3x::F452348B-AED0-495C-9FED-657078DBB420::.NETFramework,Version=v3.5::ConsoleApplication1.Test.TestSuccess&lt;/TestId&gt;&#xD;
+  &lt;/TestAncestor&gt;&#xD;
+&lt;/SessionState&gt;</s:String></wpf:ResourceDictionary>
\ No newline at end of file

Aufgabe3/ConsoleApplication1/Test/BufferTest.cs

+using System;
+using System.Collections.Generic;
+using System.Threading;
+using NUnit.Framework;
+
+namespace ConsoleApplication1.Test
+{
+    
+    [TestFixture]
+    public class TestSuccess 
+    {
+        Buffer buffer = new Buffer();
+        private int _size = 10;
+        private Mutex _mutex;
+        private Queue<Car> _carQueue = new Queue<Car>();
+        Car _car; 
+
+        [TestCase]
+        public void PushSuccessful()
+        {
+            Buffer buffer = new Buffer();
+            for (int i = 0; i < 10 ; i++)
+            {
+                buffer.Push(_car);
+            }
+            Assert.AreEqual(true,buffer.Full());
+        }
+
+        [TestCase]
+        public void PopSuccessful()
+        {
+            for (int i = 0; i <= 9 ; i++)
+            {
+                buffer.Push(_car);
+            }
+            
+            for (int i = 0; i <= 9 ; i++)
+            {
+                buffer.Pop();
+            }
+            Assert.AreEqual(true,buffer.Empty());
+        }
+
+       
+    }
+}
\ No newline at end of file

Aufgabe3/ConsoleApplication1/packages.config

+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NUnit" version="3.13.3" targetFramework="net35" />
+</packages>
\ No newline at end of file

Aufgabe3/packages/NUnit.3.13.3/LICENSE.txt

+Copyright (c) 2022 Charlie Poole, Rob Prouse
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+

Aufgabe3/packages/NUnit.3.13.3/NOTICES.txt

+NUnit 3.0 is based on earlier versions of NUnit, with Portions
+
+Copyright (c) 2002-2014 Charlie Poole or 
+Copyright (c) 2002-2004 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov or 
+Copyright (c) 2000-2002 Philip A. Craig

Aufgabe3/packages/NUnit.3.13.3/build/NUnit.props

+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+    <ProjectCapability Include="TestContainer" />
+  </ItemGroup>
+
+</Project>