Test case for component

Author: bahusoid

src/NHibernate.Test/NHSpecificTest/GH3218/ContainsParameterFixture.cs

@@ -16,6 +16,13 @@ protected override HbmMapping GetMappings()
 			{
 				rc.Id(x => x.Id, m => m.Generator(Generators.GuidComb));
 				rc.Property(x => x.Name);
+				rc.Component(
+					x => x.Component,
+					ekm =>
+					{
+						ekm.Property(ek => ek.Id1);
+						ekm.Property(ek => ek.Id2);
+					});
 			});
 			mapper.Class<Entity>(rc =>
 			{
@@ -26,7 +33,7 @@ protected override HbmMapping GetMappings()
 
 			return mapper.CompileMappingForAllExplicitlyAddedEntities();
 		}
-		
+
 		[Test]
 		public void ContainsOnId()
 		{
@@ -68,5 +75,15 @@ public void ContainsOnName()
 				session.Query<Entity>().Where(x => x.List.Select(l => l.Name).Contains(client)).ToList();
 			}
 		}
+
+		[Test]
+		public void ContainsOnComponent()
+		{
+			using (var session = OpenSession())
+			{
+				var client = new CompositeKey() { Id1 = 1, Id2 = 2 };
+				session.Query<Entity>().Where(x => x.List.Select(l => l.Component).Contains(client)).ToList();
+			}
+		}
 	}
 }

src/NHibernate.Test/NHSpecificTest/GH3218/Entity.cs

@@ -14,5 +14,28 @@ public class Child
 	{
 		public virtual Guid Id { get; set; }
 		public virtual string Name { get; set; }
+		public virtual CompositeKey Component { get; set; }
+	}
+	
+	public class CompositeKey
+	{
+		public int Id1 { get; set; }
+		public int Id2 { get; set; }
+
+		public override bool Equals(object obj)
+		{
+			var key = obj as CompositeKey;
+			return key != null
+			       && Id1 == key.Id1
+			       && Id2 == key.Id2;
+		}
+
+		public override int GetHashCode()
+		{
+			var hashCode = -1596524975;
+			hashCode = hashCode * -1521134295 + Id1.GetHashCode();
+			hashCode = hashCode * -1521134295 + Id2.GetHashCode();
+			return hashCode;
+		}
 	}
 }