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-top
  28  *          using different flavours of named nested types
  29  * @compile -XDdisablePrivateAccessors TestPrivateField.java
  30  * @run main TestPrivateField
  31  */
  32 
  33 public class TestPrivateField {
  34 
  35     // Private field of nest-top for nestmates to access
  36     private int priv_field;
  37 
  38     // public constructor so we aren't relying on private access
  39     public TestPrivateField() {}
  40 
  41     // Methods that will access private fields of nestmates
  42 
  43     // NOTE: No StaticIface variants as interfaces can't have instance fields
  44 
  45     void access_priv(TestPrivateField o) {
  46         this.priv_field = o.priv_field++;
  47     }
  48     void access_priv(InnerNested o) {
  49         this.priv_field = o.priv_field++;
  50     }
  51     void access_priv(StaticNested o) {
  52         this.priv_field = o.priv_field++;
  53     }
  54 
  55     // The various nestmates
  56 
  57     static interface StaticIface {
  58 
  59         // Methods that will access private fields of nestmates
  60 
  61         default void access_priv(TestPrivateField o) {
  62             int priv_field = o.priv_field++;
  63         }
  64         default void access_priv(InnerNested o) {
  65             int priv_field = o.priv_field++;
  66         }
  67         default void access_priv(StaticNested o) {
  68             int priv_field = o.priv_field++;
  69         }
  70     }
  71 
  72     static class StaticNested {
  73 
  74         private int priv_field;
  75 
  76         // public constructor so we aren't relying on private access
  77         public StaticNested() {}
  78 
  79         // Methods that will access private fields of nestmates
  80 
  81         void access_priv(TestPrivateField o) {
  82             this.priv_field = o.priv_field++;
  83         }
  84         void access_priv(InnerNested o) {
  85             this.priv_field = o.priv_field++;
  86         }
  87         void access_priv(StaticNested o) {
  88             this.priv_field = o.priv_field++;
  89         }
  90     }
  91 
  92     class InnerNested {
  93 
  94         private int priv_field;
  95 
  96         // public constructor so we aren't relying on private access
  97         public InnerNested() {}
  98 
  99         void access_priv(TestPrivateField o) {
 100             this.priv_field = o.priv_field++;
 101         }
 102         void access_priv(InnerNested o) {
 103             this.priv_field = o.priv_field++;
 104         }
 105         void access_priv(StaticNested o) {
 106             this.priv_field = o.priv_field++;
 107         }
 108     }
 109 
 110     public static void main(String[] args) {
 111         TestPrivateField o = new TestPrivateField();
 112         StaticNested s = new StaticNested();
 113         InnerNested i = o.new InnerNested();
 114         StaticIface intf = new StaticIface() {};
 115 
 116         o.access_priv(new TestPrivateField());
 117         o.access_priv(i);
 118         o.access_priv(s);
 119 
 120         s.access_priv(o);
 121         s.access_priv(i);
 122         s.access_priv(new StaticNested());
 123 
 124         i.access_priv(o);
 125         i.access_priv(o.new InnerNested());
 126         i.access_priv(s);
 127 
 128         intf.access_priv(o);
 129         intf.access_priv(i);
 130         intf.access_priv(s);
 131     }
 132 }