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Java example source code file (Test.java)
The Test.java Java example source code/* * Copyright (c) 2003, 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. */ /* @test * @bug 4838379 * @summary Verify that TC_OBJECT followed by a class descriptor for an enum * class results in an InvalidClassException, as does TC_ENUM followed * by a class descriptor for a non-enum class. */ import java.io.*; enum Foo { bar } class TestObjectOutputStream extends ObjectOutputStream { static ObjectStreamClass fooDesc = ObjectStreamClass.lookup(Foo.class); static ObjectStreamClass integerDesc = ObjectStreamClass.lookup(Integer.class); TestObjectOutputStream(OutputStream out) throws IOException { super(out); } protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException { if (desc == fooDesc) { super.writeClassDescriptor(integerDesc); } else if (desc == integerDesc) { super.writeClassDescriptor(fooDesc); } else { super.writeClassDescriptor(desc); } } } public class Test { public static void main(String[] args) throws Exception { ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream oout = new TestObjectOutputStream(bout); oout.writeObject(Foo.bar); oout.close(); ObjectInputStream oin = new ObjectInputStream( new ByteArrayInputStream(bout.toByteArray())); try { Object obj = oin.readObject(); throw new Error("read of " + obj + " should not have succeeded"); } catch (InvalidClassException e) { System.out.println("caught expected exception " + e); } oout = new TestObjectOutputStream(bout = new ByteArrayOutputStream()); oout.writeObject(new Integer(5)); oout.close(); oin = new ObjectInputStream( new ByteArrayInputStream(bout.toByteArray())); try { Object obj = oin.readObject(); throw new Error("read of " + obj + " should not have succeeded"); } catch (InvalidClassException e) { System.out.println("caught expected exception " + e); } } } Other Java examples (source code examples)Here is a short list of links related to this Java Test.java source code file: |
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