--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Root module
+module n0
+
+import end
+
+# Root interface
+interface Object
+end
+
+# A public class
+class A
+ # A public method in a public class
+ fun a do end
+
+ # A private method in a public class
+ private fun z do end
+end
+
+# A public subclass in the same module
+class A0
+ super A
+ super P
+
+ # Redefinition it the same module of a public method
+ redef fun a do end
+
+ # Redefinition it the same module of a private method
+ redef fun z do end
+
+ # Redefinition it the same module of a private method
+ redef fun p do end
+end
+
+# A private class
+private class P
+ # A private method in a private class
+ fun p do end
+end
+
+# A private subclass introduced in the same module
+private class P0
+ super A
+ super P
+
+ # Redefinition it the same module of a public method
+ redef fun a do end
+
+ # Redefinition it the same module of a private method
+ redef fun z do end
+
+ # Redefinition it the same module of a private method
+ redef fun p do end
+end