--- /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.
+
+# Second module
+module n1
+
+intrude import n0
+
+# A refinement of a class
+redef class A
+ # A refinement in the same class
+ redef fun a do end
+
+ # A refinement in the same class
+ redef fun z do end
+
+ # A public method introduced in a refinement
+ fun b do end
+end
+
+# A refinement of a subclass
+redef class A0
+ # A refinement+redefinition
+ redef fun a do end
+
+ # A refinement+redefinition
+ redef fun z do end
+
+ # A refinement+redefinition
+ redef fun p do end
+end
+
+# A subclass introduced in a submodule
+class A1
+ super A
+ super P
+
+ # A redefinition in a subclass from a different module
+ redef fun a do end
+
+ # A redefinition in a subclass from a different module
+ redef fun z do end
+
+ # A redefinition in a subclass from a different module
+ redef fun p do end
+end
+
+# A refinement of a class
+redef class P
+ # A refinement in the same class
+ redef fun p do end
+end
+
+# A refinement of a subclass
+redef class P0
+ # A refinement+redefinition
+ redef fun a do end
+
+ # A refinement+redefinition
+ redef fun z do end
+
+ # A refinement+redefinition
+ redef fun p do end
+end
+
+# A private subclass introduced in a different module
+private class P1
+ super A
+ super P
+
+ # A redefinition in a subclass from a different module
+ redef fun a do end
+
+ # A redefinition in a subclass from a different module
+ redef fun z do end
+
+ # A redefinition in a subclass from a different module
+ redef fun p do end
+end