/*
* Copyright (c) 1998, 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.
*
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* questions.
*/
/* @test
@bug 4110528 4112112 4112103
@summary Test if zip related in/output streams will
prevent i/o after stream has been closed.
*/
import java.util.zip.*;
import java.util.jar.*;
import java.io.*;
public class StreamIOAfterClose {
// compressed stub data
private static byte[] compressed = {
31,-117,8,0,0,0,0,0,0,0,-85,-107,-79,74,85,97,117,48,
-9,117,-47,114,15,-87,-27,-9,-54,-48,49,-108,17,19,20,
118,-87,-84,78,-15,-10,-87,-112,51,115,16,85,81,54,11,
114,44,11,98,116,17,102,-10,72,-10,80,-79,101,14,47,-50,
16,117,-9,-83,16,13,-55,83,83,103,-30,-117,-42,-82,-105,
-119,46,-16,20,-111,-85,-16,-48,54,79,-53,-76,116,
-80,-78,77,-88,-85,50,113,-54,15,-74,-28,-44,101,-43,47,
85,54,-74,1,0,85,69,28,117,100,0,0,0
};
private static void testRead(InputStream in) throws Exception {
in.close();
try {
in.read();
throw new Exception("read allowed after stream is closed");
} catch (IOException e) {
}
}
private static void testWrite(ZipOutputStream out) throws Exception {
out.close();
try {
out.putNextEntry(new ZipEntry(""));
throw new Exception("write allowed after stream is closed");
} catch (IOException e) {
}
}
public static void main(String argv[]) throws Exception {
ZipOutputStream zos = new ZipOutputStream(new ByteArrayOutputStream());
zos.putNextEntry(new ZipEntry("1"));
testWrite(zos);
JarOutputStream jos = new JarOutputStream(new ByteArrayOutputStream());
jos.putNextEntry(new ZipEntry("1"));
testWrite(jos);
InputStream bis = new ByteArrayInputStream(new byte[10]);
InputStream bis1 = new ByteArrayInputStream(compressed);
testRead(new ZipInputStream(bis));
testRead(new GZIPInputStream(bis1));
}
}