1/*
2 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/* @test
25   @bug 4110528 4112112 4112103
26   @summary Test if zip related in/output streams will
27            prevent i/o after stream has been closed.
28   */
29import java.util.zip.*;
30import java.util.jar.*;
31import java.io.*;
32
33public class StreamIOAfterClose {
34    // compressed stub data
35    private static byte[] compressed = {
36        31,-117,8,0,0,0,0,0,0,0,-85,-107,-79,74,85,97,117,48,
37        -9,117,-47,114,15,-87,-27,-9,-54,-48,49,-108,17,19,20,
38        118,-87,-84,78,-15,-10,-87,-112,51,115,16,85,81,54,11,
39        114,44,11,98,116,17,102,-10,72,-10,80,-79,101,14,47,-50,
40        16,117,-9,-83,16,13,-55,83,83,103,-30,-117,-42,-82,-105,
41        -119,46,-16,20,-111,-85,-16,-48,54,79,-53,-76,116,
42        -80,-78,77,-88,-85,50,113,-54,15,-74,-28,-44,101,-43,47,
43        85,54,-74,1,0,85,69,28,117,100,0,0,0
44    };
45
46    private static void testRead(InputStream in) throws Exception {
47        in.close();
48        try {
49            in.read();
50            throw new Exception("read allowed after stream is closed");
51        } catch (IOException e) {
52        }
53    }
54
55    private static void testWrite(ZipOutputStream out) throws Exception {
56        out.close();
57        try {
58            out.putNextEntry(new ZipEntry(""));
59            throw new Exception("write allowed after stream is closed");
60        } catch (IOException e) {
61        }
62    }
63
64    public static void main(String argv[]) throws Exception {
65        ZipOutputStream zos = new ZipOutputStream(new ByteArrayOutputStream());
66        zos.putNextEntry(new ZipEntry("1"));
67        testWrite(zos);
68
69        JarOutputStream jos = new JarOutputStream(new ByteArrayOutputStream());
70        jos.putNextEntry(new ZipEntry("1"));
71        testWrite(jos);
72
73        InputStream bis = new ByteArrayInputStream(new byte[10]);
74        InputStream bis1 = new ByteArrayInputStream(compressed);
75        testRead(new ZipInputStream(bis));
76        testRead(new GZIPInputStream(bis1));
77    }
78}
79