1 files changed, 71 insertions, 0 deletions
diff --git a/slips/src/test/Marina.Test/Unit/DataAccess/Repositories/IdentityMapTest.cs b/slips/src/test/Marina.Test/Unit/DataAccess/Repositories/IdentityMapTest.cs
new file mode 100644
index 0000000..9ff01c8
--- /dev/null
+++ b/slips/src/test/Marina.Test/Unit/DataAccess/Repositories/IdentityMapTest.cs
@@ -0,0 +1,71 @@
+using Marina.DataAccess;
+using Marina.DataAccess.Exceptions;
+using Marina.Domain;
+using Marina.Domain.Interfaces;
+using MbUnit.Framework;
+
+namespace Marina.Test.Unit.DataAccess.Repositories {
+	[TestFixture]
+	public class IdentityMapTest {
+		public IIdentityMap< IDomainObject > CreateSUT() {
+			return new IdentityMap< IDomainObject >( );
+		}
+		
+		// should not be able to add an object with an id of -1
+
+		[Test]
+		public void Should_be_able_to_add_a_new_domain_object_to_the_identitiy_map() {
+			IDomainObject objectThatHasBeenAddedToMap = new DomainObject( 1 );
+			IDomainObject objectThatHasNotBeenAddedToMap = new DomainObject( 2 );
+
+			IIdentityMap< IDomainObject > map = CreateSUT( );
+			map.Add( objectThatHasBeenAddedToMap );
+
+			Assert.IsTrue( map.ContainsObjectWithIdOf( objectThatHasBeenAddedToMap.ID( ) ) );
+			Assert.IsFalse( map.ContainsObjectWithIdOf( objectThatHasNotBeenAddedToMap.ID( ) ) );
+		}
+
+		[Test]
+		public void Should_return_true_if_searching_for_a_() {
+			IIdentityMap< IDomainObject > map = CreateSUT( );
+
+			int id = 1;
+			map.Add( new DomainObject( id ) );
+
+			Assert.IsTrue( map.ContainsObjectWithIdOf( id ) );
+			Assert.IsFalse( map.ContainsObjectWithIdOf( 2 ) );
+		}
+
+		[Test]
+		public void Should_be_able_to_retrieve_an_object_that_has_been_added_to_the_map() {
+			IIdentityMap< IDomainObject > map = CreateSUT( );
+			IDomainObject objectAddedToMap = new DomainObject( 1 );
+			map.Add( objectAddedToMap );
+
+			Assert.AreEqual( objectAddedToMap, map.FindObjectWithIdOf( 1 ) );
+		}
+
+		[Test]
+		public void Should_return_null_if_the_object_is_not_in_the_map() {
+			Assert.IsNull( CreateSUT( ).FindObjectWithIdOf( 1 ) );
+		}
+
+		[Test]
+		[ExpectedException( typeof( ObjectAlreadyAddedToIdentityMapException ) )]
+		public void Should_not_be_able_to_add_an_object_that_has_already_been_added() {
+			IIdentityMap< IDomainObject > map = CreateSUT( );
+			IDomainObject addedObject = new DomainObject( 1 );
+			map.Add( addedObject );
+			map.Add( addedObject );
+		}
+
+		[Test]
+		[ExpectedException( typeof( ObjectAlreadyAddedToIdentityMapException ) )]
+		public void Should_not_be_able_to_add_an_object_with_the_same_id_as_one_that_was_already_added() {
+			IIdentityMap< IDomainObject > map = CreateSUT( );
+			int id = 1;
+			map.Add( new DomainObject( id ) );
+			map.Add( new DomainObject( id ) );
+		}
+	}
+}
+\ No newline at end of file