--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UnitTests/CS/Reflection/Extension/ExtensionTest.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,130 @@
+using System.IO;
+
+using NUnit.Framework;
+
+using BLToolkit.Mapping;
+using BLToolkit.Reflection.Extension;
+using System.Collections.Generic;
+using System.Xml;
+
+namespace Reflection.Extension
+{
+	[TestFixture]
+	public class ExtensionTestTest
+	{
+		[SetUp]
+		public void SetUp()
+		{
+			Map.DefaultSchema = new DefaultMappingSchema();
+
+			using (StreamWriter sw = File.CreateText("Mapping.xml"))
+			{
+				sw.WriteLine(@"<?xml version='1.0' encoding='utf-8' ?>
+<Types xmlns='urn:schemas-bltoolkit-net:typeext'>
+    <Type Name='Dest'>
+        <Member Name='Field3'>
+            <MapValue Value='-1-' OrigValue='1' OrigValue-Type='System.Double' />
+            <MapValue Value='-2-' OrigValue='2' OrigValue-Type='System.Double' />
+        </Member>
+    </Type>
+    <Type Name='TriState'>
+        <Member Name='Yes'           MapValue='yes'   MapValue-Type='System.String' />
+        <Member Name='No'>
+            <MapValue Value='no' Type='System.String' />
+            <MapValue Type='System.String'>N</MapValue>
+        </Member>
+        <Member Name='Maybe'         MapValue='xz'    MapValue-Type='System.String' />
+        <Member Name='NotApplicable' MapValue-Type='System.String' MapValue='(n/a)' DefaultValue='' />
+    </Type>
+    <Type Name='System.Double'>
+        <MapValue OrigValue='1' OrigValue-Type='System.Double' Value='One' Type='System.String' />
+        <MapValue OrigValue='2' Value='Two' Type='System.String' />
+        <DefaultValue Value='54' />
+    </Type>
+    <Type Name='TestType'>
+        <Member Name='SomeRelation'>
+            <Relation>
+                <MasterIndex Name='MasterIndex1'/>
+                <MasterIndex Name='MasterIndex2'/>
+                <SlaveIndex  Name='SlaveIndex1'/>
+                <SlaveIndex  Name='SlaveIndex2'/>
+           </Relation>
+        </Member>
+    </Type>
+</Types>");
+			}
+		}
+
+		[TypeExtension("TriState")]
+		public enum TriState { Yes, No, NotApplicable };
+
+		public class Source
+		{
+			public string Field1 = "no";
+			public string Field2 = "One";
+			public string Field3 = "-2-";
+			public string Field4 = "***";
+		}
+
+		[TypeExtension("Dest")]
+		public class Dest
+		{
+			private TriState _field1 = TriState.NotApplicable;
+			public  TriState  Field1
+			{
+				get { return _field1;  }
+				set { _field1 = value; }
+			}
+
+			public double Field2;
+			public double Field3;
+			public double Field4;
+		}
+
+		[Test]
+		public void Test()
+		{
+			Map.Extensions = TypeExtension.GetExtensions("Mapping.xml");
+
+			object o = Map.Extensions["TriState"]["Yes"]["MapValue"].Value;
+
+			Assert.AreEqual("yes", o);
+
+			Source  s = new Source();
+			Dest    d = (Dest)Map.ObjectToObject(s, typeof(Dest));
+
+			Assert.AreEqual(TriState.No,            d.Field1);
+			Assert.AreEqual( 1,                     d.Field2);
+			Assert.AreEqual( 2,                     d.Field3);
+			Assert.AreEqual(54,                     d.Field4);
+			Assert.AreEqual(TriState.NotApplicable, Map.ValueToEnum("1234", typeof(TriState)));
+		}
+
+		public class TestType
+		{
+			public object SomeRelation;
+		}
+
+		[Test]
+		public void MultiKeyRelationTest()
+		{
+			MappingSchema ms = new MappingSchema();
+			ms.Extensions = TypeExtension.GetExtensions("Mapping.xml");
+
+			bool isSet = false;
+
+			List<MapRelationBase> relations = ms.MetadataProvider.GetRelations(ms, ms.Extensions, typeof(TestType), null, out isSet);
+
+			Assert.IsTrue(isSet);
+			Assert.AreEqual(1, relations.Count);
+			Assert.AreEqual(2, relations[0].MasterIndex.Fields.Length);
+			Assert.AreEqual(2, relations[0].SlaveIndex .Fields.Length);
+		}
+
+		[TearDown]
+		public void TearDown()
+		{
+			File.Delete("Mapping.xml");
+		}
+	}
+}