diff --git a/test/test-index.js b/test/test-index.js
index 5a0299b..1942a72 100644
--- a/test/test-index.js
+++ b/test/test-index.js
@@ -24,8 +24,10 @@
 var common = require( './common' ),
     assert = require( 'assert' ),
 
-    Class     = common.require( 'class' ),
-    Interface = common.require( 'interface' ),
+    Class         = common.require( 'class' ),
+    AbstractClass = common.require( 'class_abstract' ),
+    FinalClass    = common.require( 'class_final' ),
+    Interface     = common.require( 'interface' ),
 
     index  = require( '../' );
 
@@ -35,6 +37,16 @@ assert.ok(
     "Class should be made available"
 );
 
+assert.ok(
+    ( index.AbstractClass === AbstractClass ),
+    "AbstractClass should be made available"
+);
+
+assert.ok(
+    ( index.FinalClass === FinalClass ),
+    "FinalClass should be made available"
+);
+
 assert.ok(
     ( index.Interface === Interface ),
     "Interface should be made available"