GROOVY-9608: add test case

Author: eric-milles

src/test/groovy/bugs/Groovy9608.groovy

@@ -0,0 +1,57 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you 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.
+ */
+package groovy.bugs
+
+import org.junit.Test
+
+import static groovy.test.GroovyAssert.assertScript
+
+final class Groovy9608 {
+
+    @Test
+    void testGetFieldOnSuper() {
+        assertScript '''
+            import org.codehaus.groovy.runtime.ScriptBytecodeAdapter
+
+            class A {
+              public x = 'A'
+            }
+            class B extends A {
+              public x = 'B'
+            }
+
+            def a = new A()
+            def ax = a.metaClass.getAttribute(A, a, 'x', false)
+            assert ax == 'A'
+
+            def b = new B()
+            def bx = b.metaClass.getAttribute(B, b, 'x', false)
+            assert bx == 'B'
+
+            try {
+                def bSuperX = b.metaClass.getAttribute(A, b, 'x', true)
+                assert bSuperX == 'A'
+                bSuperX = ScriptBytecodeAdapter.getFieldOnSuper(A, b, 'x')
+                assert bSuperX == 'A'
+            } catch (MissingFieldException e) {
+                // TODO: Why can't these read public/protected field from super?
+            }
+        '''
+    }
+}