Added thread IsBackground unit test

STPTests/STPTests.csproj

@@ -111,6 +111,7 @@
     <Compile Include="AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="TestThreadIsBackground.cs" />
     <Compile Include="TestThreadApartmentState.cs" />
     <Compile Include="TestParallelMethods.cs" />
     <Compile Include="TestFalseFillStateWithParams.cs" />

STPTests/TestThreadApartmentState.cs

@@ -5,7 +5,7 @@ using Amib.Threading;
 namespace SmartThreadPoolTests
 {
 	/// <summary>
-	/// Summary description for TestThreadPriority.
+    /// Summary description for TestThreadApartment.
 	/// </summary>
 	[TestFixture]
     [Category("TestThreadApartment")]
@@ -26,7 +26,7 @@ namespace SmartThreadPoolTests
 	    private static void CheckApartmentState(ApartmentState requestApartmentState)
 	    {
 	        STPStartInfo stpStartInfo = new STPStartInfo();
-	        stpStartInfo.ApartmentState = requestApartmentState;
+            stpStartInfo.ApartmentState = requestApartmentState;
 
 	        SmartThreadPool stp = new SmartThreadPool(stpStartInfo);
 

STPTests/TestThreadIsBackground.cs

@@ -0,0 +1,47 @@
+using System.Threading;
+using NUnit.Framework;
+using Amib.Threading;
+
+namespace SmartThreadPoolTests
+{
+	/// <summary>
+    /// Summary description for TestThreadIsBackground.
+	/// </summary>
+	[TestFixture]
+    [Category("TestThreadIsBackground")]
+	public class TestThreadIsBackground
+	{
+		[Test]
+        public void TestIsBackground()
+		{
+            CheckIsBackground(true);
+		}
+
+		[Test]
+        public void TestNotIsBackground()
+		{
+            CheckIsBackground(false);
+		}
+
+        private static void CheckIsBackground(bool isBackground)
+	    {
+	        STPStartInfo stpStartInfo = new STPStartInfo();
+	        stpStartInfo.AreThreadsBackground = isBackground;
+
+	        SmartThreadPool stp = new SmartThreadPool(stpStartInfo);
+
+            IWorkItemResult<bool> wir = stp.QueueWorkItem(() => GetCurrentThreadIsBackground());
+
+	        bool resultIsBackground = wir.GetResult();
+
+	        stp.WaitForIdle();
+
+            Assert.AreEqual(isBackground, resultIsBackground);
+	    }
+
+	    private static bool GetCurrentThreadIsBackground()
+	    {
+	        return Thread.CurrentThread.IsBackground;
+	    }
+	}
+}