0N/A/*
2362N/A * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/* @test
0N/A * @bug 4838379
0N/A * @summary Verify that TC_OBJECT followed by a class descriptor for an enum
0N/A * class results in an InvalidClassException, as does TC_ENUM followed
0N/A * by a class descriptor for a non-enum class.
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Aenum Foo { bar }
0N/A
0N/Aclass TestObjectOutputStream extends ObjectOutputStream {
0N/A
0N/A static ObjectStreamClass fooDesc = ObjectStreamClass.lookup(Foo.class);
0N/A static ObjectStreamClass integerDesc =
0N/A ObjectStreamClass.lookup(Integer.class);
0N/A
0N/A TestObjectOutputStream(OutputStream out) throws IOException {
0N/A super(out);
0N/A }
0N/A
0N/A protected void writeClassDescriptor(ObjectStreamClass desc)
0N/A throws IOException
0N/A {
0N/A if (desc == fooDesc) {
0N/A super.writeClassDescriptor(integerDesc);
0N/A } else if (desc == integerDesc) {
0N/A super.writeClassDescriptor(fooDesc);
0N/A } else {
0N/A super.writeClassDescriptor(desc);
0N/A }
0N/A }
0N/A}
0N/A
0N/Apublic class Test {
0N/A public static void main(String[] args) throws Exception {
0N/A ByteArrayOutputStream bout = new ByteArrayOutputStream();
0N/A ObjectOutputStream oout = new TestObjectOutputStream(bout);
0N/A oout.writeObject(Foo.bar);
0N/A oout.close();
0N/A ObjectInputStream oin = new ObjectInputStream(
0N/A new ByteArrayInputStream(bout.toByteArray()));
0N/A try {
0N/A Object obj = oin.readObject();
0N/A throw new Error("read of " + obj + " should not have succeeded");
0N/A } catch (InvalidClassException e) {
0N/A System.out.println("caught expected exception " + e);
0N/A }
0N/A
0N/A oout = new TestObjectOutputStream(bout = new ByteArrayOutputStream());
0N/A oout.writeObject(new Integer(5));
0N/A oout.close();
0N/A oin = new ObjectInputStream(
0N/A new ByteArrayInputStream(bout.toByteArray()));
0N/A try {
0N/A Object obj = oin.readObject();
0N/A throw new Error("read of " + obj + " should not have succeeded");
0N/A } catch (InvalidClassException e) {
0N/A System.out.println("caught expected exception " + e);
0N/A }
0N/A }
0N/A}