1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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.
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  23 
  24 /*
  25  * @test
  26  * @bug 8046171
  27  * @summary Test access to private constructors in the hierarchy that are
  28  * outside the nest
  29  * @compile TestConstructorHierarchy.java
  30  * @compile ExternalSuper.jcod
  31  *          ExternalSub.jcod
  32  * @run main TestConstructorHierarchy
  33  */
  34 
  35 public class TestConstructorHierarchy {
  36 
  37     static class NestedA extends ExternalSuper {
  38         private NestedA() {}
  39         protected NestedA(int i) {} // for compile-time only
  40     }
  41 
  42     // Access to private members of classes outside the nest is
  43     // not permitted. These tests should throw IllegalAccessError
  44     // at runtime. To allow them to compile the classes below are
  45     // defined with public members. We then replace those class files
  46     // with jcod variants that make the member private again.
  47 
  48     public static void main(String[] args) throws Throwable {
  49         try {
  50             new ExternalSuper();
  51             throw new Error("Unexpected construction of ExternalSuper");
  52         }
  53         catch (IllegalAccessError iae) {
  54             if (iae.getMessage().contains("class TestConstructorHierarchy tried to access private method ExternalSuper.<init>()V")) {
  55                 System.out.println("Got expected exception constructing ExternalSuper: " + iae);
  56             }
  57             else throw new Error("Unexpected IllegalAccessError: " + iae);
  58         }
  59         try {
  60             new NestedA();
  61             throw new Error("Unexpected construction of NestedA and supers");
  62         }
  63         catch (IllegalAccessError iae) {
  64             if (iae.getMessage().contains("class TestConstructorHierarchy$NestedA tried to access private method ExternalSuper.<init>()V")) {
  65                 System.out.println("Got expected exception constructing NestedA: " + iae);
  66             }
  67             else throw new Error("Unexpected IllegalAccessError: " + iae);
  68         }
  69         try {
  70             new ExternalSub();
  71             throw new Error("Unexpected construction of ExternalSub");
  72         }
  73         catch (IllegalAccessError iae) {
  74             if (iae.getMessage().contains("class ExternalSub tried to access private method TestConstructorHierarchy$NestedA.<init>()V")) {
  75                 System.out.println("Got expected exception constructing ExternalSub: " + iae);
  76             }
  77             else throw new Error("Unexpected IllegalAccessError: " + iae);
  78         }
  79     }
  80 }
  81 
  82 // Classes that are not part of the nest.
  83 // Being non-public allows us to declare them in this file.
  84 // The constructor is public to allow this file to compile, but
  85 // the jcod files change it back to private.
  86 
  87 class ExternalSuper {
  88     public ExternalSuper() { }
  89 }
  90 
  91 
  92 class ExternalSub extends TestConstructorHierarchy.NestedA {
  93     public ExternalSub() {
  94         super(0); // this is changed to super() in jcod file
  95     }
  96 }