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 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("tried to access method ExternalSuper.<init>()V from class TestConstructorHierarchy")) { 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("tried to access method ExternalSuper.<init>()V from class TestConstructorHierarchy$NestedA")) { 65 System.out.println("Got expected exception constructing NestedA: " + iae); 66 } 67 else throw new Error("Unexpected IllegalAccessError: " + iae); 68 } 69 try { 70 new ExternalSub(); 71 throw new Error("Unexpected construction of ExternalSub"); 72 } 73 catch (IllegalAccessError iae) { 74 if (iae.getMessage().contains("tried to access method TestConstructorHierarchy$NestedA.<init>()V from class ExternalSub")) { 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 }