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 }