X-Git-Url: http://nitlanguage.org

diff --git a/tests/base_var_type_evolution_nullable.nit b/tests/base_var_type_evolution_nullable.nit
index a6e25fe..b0f26a4 100644
--- a/tests/base_var_type_evolution_nullable.nit
+++ b/tests/base_var_type_evolution_nullable.nit
@@ -13,17 +13,17 @@
 # limitations under the License.
 
 import end
-
-class Object
-	fun ==(o: nullable Object): Bool is intern
-	fun !=(o: nullable Object): Bool is intern
+interface Object
+	fun ==(o: nullable Object): Bool do return self.is_same_instance(o)
+	fun !=(o: nullable Object): Bool do return not self == o
+	fun is_same_instance(o: nullable Object): Bool is intern
 end
-
 class A
 end
-
 class Bool
 	fun output is intern
+	redef fun ==(o: nullable Object): Bool is intern
+	redef fun !=(o: nullable Object): Bool is intern
 end
 
 fun test(a: nullable A)