0N/A/*
3261N/A * Copyright (c) 1999, 2010, 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,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/* @test
0N/A * @bug 4217676
0N/A * @summary Ensure that object streams support serialization of long strings
0N/A * (strings whose UTF representation > 64k in length)
0N/A */
0N/A
0N/Aimport java.io.*;
0N/Aimport java.util.*;
0N/A
0N/Apublic class LongString {
0N/A public static void main(String[] args) throws Exception {
0N/A Random rand = new Random(System.currentTimeMillis());
0N/A ByteArrayOutputStream bout;
0N/A ByteArrayInputStream bin;
0N/A ObjectOutputStream oout;
0N/A ObjectInputStream oin;
0N/A FileInputStream fin;
0N/A File mesgf;
0N/A
0N/A // generate a long random string
0N/A StringBuffer sbuf = new StringBuffer();
0N/A for (int i = 0; i < 100000; i++)
0N/A sbuf.append((char) rand.nextInt(Character.MAX_VALUE + 1));
0N/A String str = sbuf.toString();
0N/A
0N/A // write and read long string
0N/A bout = new ByteArrayOutputStream();
0N/A oout = new ObjectOutputStream(bout);
0N/A oout.writeObject(str);
0N/A oout.flush();
0N/A bin = new ByteArrayInputStream(bout.toByteArray());
0N/A oin = new ObjectInputStream(bin);
0N/A String strcopy = (String) oin.readObject();
0N/A if (! str.equals(strcopy))
0N/A throw new Error("deserialized long string not equal to original");
0N/A
0N/A // test backwards compatibility
0N/A String mesg = "Message in golden file";
0N/A bout = new ByteArrayOutputStream();
0N/A oout = new ObjectOutputStream(bout);
0N/A oout.writeObject(mesg);
0N/A oout.flush();
0N/A byte[] buf1 = bout.toByteArray();
0N/A
0N/A mesgf = new File(System.getProperty("test.src", "."), "mesg.ser");
0N/A fin = new FileInputStream(mesgf);
0N/A bout = new ByteArrayOutputStream();
2496N/A try {
2496N/A while (fin.available() > 0)
2496N/A bout.write(fin.read());
2496N/A } finally {
2496N/A fin.close();
2496N/A }
0N/A byte[] buf2 = bout.toByteArray();
0N/A
0N/A if (! Arrays.equals(buf1, buf2))
0N/A throw new Error("incompatible string format (write)");
0N/A
0N/A fin = new FileInputStream(mesgf);
2496N/A try {
2496N/A oin = new ObjectInputStream(fin);
2496N/A String mesgcopy = (String) oin.readObject();
2496N/A if (! mesg.equals(mesgcopy))
2496N/A throw new Error("incompatible string format (read)");
2496N/A } finally {
2496N/A fin.close();
2496N/A }
0N/A }
0N/A}