90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
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/*
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* Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @bug 4765255
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* @summary Verify proper functioning of package equality checks used to
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* determine accessibility of superclass constructor and inherited
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* writeReplace/readResolve methods.
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*/
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import java.io.*;
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import java.net.*;
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public class Test {
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static Class bcl;
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static Class dcl;
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public static void main(String[] args) throws Exception {
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ClassLoader ldr =
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new URLClassLoader(new URL[]{ new URL("file:foo.jar") });
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bcl = Class.forName("B", true, ldr);
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dcl = Class.forName("D", true, ldr);
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Object b = bcl.newInstance();
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try {
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swizzle(b);
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throw new Error("expected InvalidClassException for class B");
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} catch (InvalidClassException e) {
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System.out.println("caught " + e);
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e.printStackTrace();
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}
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if (A.packagePrivateConstructorInvoked) {
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throw new Error("package private constructor of A invoked");
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}
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Object d = dcl.newInstance();
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swizzle(d);
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}
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static void swizzle(Object obj) throws Exception {
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream oout = new ObjectOutputStream(bout);
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oout.writeObject(obj);
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oout.close();
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ByteArrayInputStream bin =
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new ByteArrayInputStream(bout.toByteArray());
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new TestObjectInputStream(bin).readObject();
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}
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}
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class TestObjectInputStream extends ObjectInputStream {
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TestObjectInputStream(InputStream in) throws IOException {
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super(in);
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}
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protected Class resolveClass(ObjectStreamClass desc)
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throws IOException, ClassNotFoundException
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{
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String n = desc.getName();
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if (n.equals("B")) {
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return Test.bcl;
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} else if (n.equals("D")) {
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return Test.dcl;
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} else {
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return super.resolveClass(desc);
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}
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}
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}
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