--- /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.
+
+import standard::kernel
+
+interface A
+ var i: Int is abstract, autoinit
+ fun j: Int is abstract, autoinit
+ fun j=(o: Int) is abstract, autoinit
+end
+
+class B
+ super A
+ var k: Int is abstract, autoinit
+ fun l: Int is abstract, autoinit
+ fun l=(o: Int) is abstract, autoinit
+end
+
+class C
+ super B
+ redef fun i do
+ 'i'.output
+ return 1
+ end
+ redef fun i=(o) do
+ 'i'.output
+ '='.output
+ o.output
+ end
+ redef fun j do
+ 'j'.output
+ return 2
+ end
+ redef fun j=(o) do
+ 'j'.output
+ '='.output
+ o.output
+ end
+ redef fun k do
+ 'k'.output
+ return 3
+ end
+ redef fun k=(o)
+ do
+ 'k'.output
+ '='.output
+ o.output
+ end
+ redef fun l do
+ 'l'.output
+ return 4
+ end
+ redef fun l=(o) do
+ 'l'.output
+ '='.output
+ o.output
+ end
+end
+
+var c = new C(10,20,30,40)
+'\n'.output
+c.i.output
+c.j.output
+c.k.output
+c.l.output
--- /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.
+
+import standard::kernel
+
+interface A
+ var i: Int is abstract
+ fun j: Int is abstract
+ fun j=(o: Int) is abstract
+end
+
+class B
+ super A
+ var k: Int is abstract
+ fun l: Int is abstract
+ fun l=(o: Int) is abstract
+end
+
+class C
+ super B
+ redef fun i do
+ 'i'.output
+ return 1
+ end
+ redef fun i=(o) do
+ 'i'.output
+ '='.output
+ o.output
+ end
+ redef fun j do
+ 'j'.output
+ return 2
+ end
+ redef fun j=(o) do
+ 'j'.output
+ '='.output
+ o.output
+ end
+ redef fun k do
+ 'k'.output
+ return 3
+ end
+ redef fun k=(o)
+ do
+ 'k'.output
+ '='.output
+ o.output
+ end
+ redef fun l do
+ 'l'.output
+ return 4
+ end
+ redef fun l=(o) do
+ 'l'.output
+ '='.output
+ o.output
+ end
+end
+
+var c = new C
+c.i.output
+c.j.output
+c.k.output
+c.l.output