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 constructors between nestmates and nest-host

    28  *          using different flavours of named nested types that will

    29  *          generate invokespecial for the calls. The -Xcomp run is a special

    30  *          regression test for a compiler assertion that would fire when

    31  *          "loading" a nest-host class.

    32  * @run main TestInvokeSpecial

    33  * @run main/othervm -Xcomp TestInvokeSpecial

    34  */

    35 

    36 public class TestInvokeSpecial {

    37 

    38     // All constructors are private to ensure nestmate access checks apply

    39 

    40     // All doConstruct methods are public so they don't involve invoke_special

    41 

    42     private TestInvokeSpecial() {}

    43 

    44     // The various nestmates

    45 

    46     static interface StaticIface {

    47 

    48         // Methods that will access private constructors of nestmates.

    49         // The arg is a dummy for overloading purposes

    50 

    51         default void doConstruct(TestInvokeSpecial o) {

    52             Object obj = new TestInvokeSpecial();

    53         }

    54         default void doConstruct(InnerNested o) {

    55             Object obj = new TestInvokeSpecial().new InnerNested();

    56         }

    57         default void doConstruct(StaticNested o) {

    58             Object obj = new StaticNested();

    59         }

    60         default void doConstruct(StaticIface o) {

    61             Object obj = new StaticIface() {};

    62         }

    63     }

    64 

    65     static class StaticNested {

    66 

    67         private StaticNested() {}

    68 

    69         // Methods that will access private constructors of nestmates.

    70         // The arg is a dummy for overloading purposes

    71 

    72         public void doConstruct(TestInvokeSpecial o) {

    73             Object obj = new TestInvokeSpecial();

    74         }

    75         public void doConstruct(InnerNested o) {

    76             Object obj = new TestInvokeSpecial().new InnerNested();

    77         }

    78         public void doConstruct(StaticNested o) {

    79             Object obj = new StaticNested();

    80         }

    81         public void doConstruct(StaticIface o) {

    82             Object obj = new StaticIface() {};

    83         }

    84     }

    85 

    86     class InnerNested {

    87 

    88         private InnerNested() {}

    89 

    90         // Methods that will access private constructors of nestmates.

    91         // The arg is a dummy for overloading purposes

    92 

    93         public void doConstruct(TestInvokeSpecial o) {

    94             Object obj = new TestInvokeSpecial();

    95         }

    96         public void doConstruct(InnerNested o) {

    97             Object obj = new TestInvokeSpecial().new InnerNested();

    98         }

    99         public void doConstruct(StaticNested o) {

   100             Object obj = new StaticNested();

   101         }

   102         public void doConstruct(StaticIface o) {

   103             Object obj = new StaticIface() {};

   104         }

   105     }

   106 

   107     public static void main(String[] args) {

   108         // These initial constructions test nest-host access

   109         TestInvokeSpecial o = new TestInvokeSpecial();

   110         StaticNested s = new StaticNested();

   111         InnerNested i = o.new InnerNested();

   112         StaticIface intf = new StaticIface() {};

   113 

   114         s.doConstruct(o);

   115         s.doConstruct(i);

   116         s.doConstruct(s);

   117         s.doConstruct(intf);

   118 

   119         i.doConstruct(o);

   120         i.doConstruct(i);

   121         i.doConstruct(s);

   122         i.doConstruct(intf);

   123 

   124         intf.doConstruct(o);

   125         intf.doConstruct(i);

   126         intf.doConstruct(s);

   127         intf.doConstruct(intf);

   128     }

   129 }