| /* |
| * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @bug 4765255 |
| * @summary Verify proper functioning of package equality checks used to |
| * determine accessibility of superclass constructor and inherited |
| * writeReplace/readResolve methods. |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| |
| public class Test { |
| |
| static Class bcl; |
| static Class dcl; |
| |
| public static void main(String[] args) throws Exception { |
| ClassLoader ldr = |
| new URLClassLoader(new URL[]{ new URL("file:foo.jar") }); |
| bcl = Class.forName("B", true, ldr); |
| dcl = Class.forName("D", true, ldr); |
| |
| Object b = bcl.newInstance(); |
| try { |
| swizzle(b); |
| throw new Error("expected InvalidClassException for class B"); |
| } catch (InvalidClassException e) { |
| System.out.println("caught " + e); |
| e.printStackTrace(); |
| } |
| if (A.packagePrivateConstructorInvoked) { |
| throw new Error("package private constructor of A invoked"); |
| } |
| |
| Object d = dcl.newInstance(); |
| swizzle(d); |
| } |
| |
| static void swizzle(Object obj) throws Exception { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream oout = new ObjectOutputStream(bout); |
| oout.writeObject(obj); |
| oout.close(); |
| ByteArrayInputStream bin = |
| new ByteArrayInputStream(bout.toByteArray()); |
| new TestObjectInputStream(bin).readObject(); |
| } |
| } |
| |
| class TestObjectInputStream extends ObjectInputStream { |
| TestObjectInputStream(InputStream in) throws IOException { |
| super(in); |
| } |
| |
| protected Class resolveClass(ObjectStreamClass desc) |
| throws IOException, ClassNotFoundException |
| { |
| String n = desc.getName(); |
| if (n.equals("B")) { |
| return Test.bcl; |
| } else if (n.equals("D")) { |
| return Test.dcl; |
| } else { |
| return super.resolveClass(desc); |
| } |
| } |
| } |