0N/A/*
2362N/A * Copyright (c) 1999, 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 4253271
0N/A * @summary Ensure that ObjectInputStream.readObject() is called, it doesn't
0N/A * read past the end of the object in the underlying stream.
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Aclass LimitInputStream extends ByteArrayInputStream {
0N/A int limit;
0N/A
0N/A LimitInputStream(byte[] b) {
0N/A super(b);
0N/A limit = b.length;
0N/A }
0N/A
0N/A public int read() {
0N/A if (limit < 1)
0N/A throw new Error("limit exceeded");
0N/A int c = super.read();
0N/A if (c != -1)
0N/A limit--;
0N/A return c;
0N/A }
0N/A
0N/A public int read(byte[] b) {
0N/A return read(b, 0, b.length);
0N/A }
0N/A
0N/A public int read(byte[] b, int off, int len) {
0N/A if (limit < len)
0N/A throw new Error("limit exceeded");
0N/A int n = super.read(b, off, len);
0N/A if (n != -1)
0N/A limit -= n;
0N/A return n;
0N/A }
0N/A}
0N/A
0N/Apublic class ReadPastObject {
0N/A public static void main(String[] args) throws Exception {
0N/A ByteArrayOutputStream bout = new ByteArrayOutputStream();
0N/A ObjectOutputStream oout = new ObjectOutputStream(bout);
0N/A oout.writeObject("foo");
0N/A LimitInputStream lin = new LimitInputStream(bout.toByteArray());
0N/A ObjectInputStream oin = new ObjectInputStream(lin);
0N/A System.out.println(oin.readObject());
0N/A }
0N/A}