--- /dev/null 2009-07-06 20:02:10.000000000 -0700 +++ new/test/java/io/ObjectInputStream/TestObjectInputStreamCloneArray.java 2010-12-05 22:36:05.000000000 -0800 @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2010, 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 6990094 + * @summary Verify ObjectInputStream.cloneArray works on many kinds of arrays + * @author Stuart Marks, Joseph D. Darcy + */ + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.io.ObjectStreamException; +import java.io.Serializable; + +public class TestObjectInputStreamCloneArray { + static class Resolver implements Serializable { + static Object replacement = null; + + public static void setReplacement(Object o) { + replacement = o; + } + private Object readResolve() throws ObjectStreamException { + return replacement; + } + } + + private static void test(Object replacement) + throws IOException, ClassNotFoundException { + Resolver.setReplacement(replacement); + + try(ByteArrayOutputStream baos = new ByteArrayOutputStream()) { + try(ObjectOutputStream oos = new ObjectOutputStream(baos)) { + oos.writeObject(new Resolver()); + oos.writeObject(new Resolver()); + } + + Object o1; + Object o2; + try(ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); + ObjectInputStream ois = new ObjectInputStream(bais)) { + o1 = ois.readUnshared(); + o2 = ois.readUnshared(); + } + + if (o1 == o2) + throw new AssertionError("o1 and o2 must not be identical"); + } + } + + public static void main(String[] args) + throws IOException, ClassNotFoundException { + Object[] replacements = { + new byte[] {1}, + new char[] {'2'}, + new short[] {3}, + new int[] {4}, + new long[] {5}, + new float[] {6.0f}, + new double[] {7.0}, + new boolean[] {true}, + new Object[] {"A string."} + }; + + for(Object replacement : replacements) { + test(replacement); + } + } +}