1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8046171
  27  * @summary Test access to private fields between nestmates and nest-host
  28  *          using different flavours of named nested types
  29  * @run main TestPrivateField
  30  */
  31 
  32 public class TestPrivateField {
  33 
  34     // Private field of nest-host for nestmates to access
  35     private int priv_field;
  36 
  37     // public constructor so we aren't relying on private access
  38     public TestPrivateField() {}
  39 
  40     // Methods that will access private fields of nestmates
  41 
  42     // NOTE: No StaticIface variants as interfaces can't have instance fields
  43 
  44     void access_priv(TestPrivateField o) {
  45         this.priv_field = o.priv_field++;
  46     }
  47     void access_priv(InnerNested o) {
  48         this.priv_field = o.priv_field++;
  49     }
  50     void access_priv(StaticNested o) {
  51         this.priv_field = o.priv_field++;
  52     }
  53 
  54     // The various nestmates
  55 
  56     static interface StaticIface {
  57 
  58         // Methods that will access private fields of nestmates
  59 
  60         default void access_priv(TestPrivateField o) {
  61             int priv_field = o.priv_field++;
  62         }
  63         default void access_priv(InnerNested o) {
  64             int priv_field = o.priv_field++;
  65         }
  66         default void access_priv(StaticNested o) {
  67             int priv_field = o.priv_field++;
  68         }
  69     }
  70 
  71     static class StaticNested {
  72 
  73         private int priv_field;
  74 
  75         // public constructor so we aren't relying on private access
  76         public StaticNested() {}
  77 
  78         // Methods that will access private fields of nestmates
  79 
  80         void access_priv(TestPrivateField o) {
  81             this.priv_field = o.priv_field++;
  82         }
  83         void access_priv(InnerNested o) {
  84             this.priv_field = o.priv_field++;
  85         }
  86         void access_priv(StaticNested o) {
  87             this.priv_field = o.priv_field++;
  88         }
  89     }
  90 
  91     class InnerNested {
  92 
  93         private int priv_field;
  94 
  95         // public constructor so we aren't relying on private access
  96         public InnerNested() {}
  97 
  98         void access_priv(TestPrivateField o) {
  99             this.priv_field = o.priv_field++;
 100         }
 101         void access_priv(InnerNested o) {
 102             this.priv_field = o.priv_field++;
 103         }
 104         void access_priv(StaticNested o) {
 105             this.priv_field = o.priv_field++;
 106         }
 107     }
 108 
 109     public static void main(String[] args) {
 110         TestPrivateField o = new TestPrivateField();
 111         StaticNested s = new StaticNested();
 112         InnerNested i = o.new InnerNested();
 113         StaticIface intf = new StaticIface() {};
 114 
 115         o.access_priv(new TestPrivateField());
 116         o.access_priv(i);
 117         o.access_priv(s);
 118 
 119         s.access_priv(o);
 120         s.access_priv(i);
 121         s.access_priv(new StaticNested());
 122 
 123         i.access_priv(o);
 124         i.access_priv(o.new InnerNested());
 125         i.access_priv(s);
 126 
 127         intf.access_priv(o);
 128         intf.access_priv(i);
 129         intf.access_priv(s);
 130     }
 131 }