1/*
2 * Copyright (c) 2010, 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 7003462
26   @summary Make sure cached Inflater does not get finalized.
27 */
28
29import java.io.File;
30import java.io.InputStream;
31import java.io.IOException;
32import java.util.zip.ZipEntry;
33import java.util.zip.ZipFile;
34
35public class FinalizeInflater {
36
37    public static void main(String[] args) throws Throwable {
38        try (ZipFile zf = new ZipFile(new File(System.getProperty("test.src", "."), "input.zip")))
39        {
40            ZipEntry ze = zf.getEntry("ReadZip.java");
41            read(zf.getInputStream(ze));
42            System.gc();
43            System.runFinalization();
44            System.gc();
45            // read again
46            read(zf.getInputStream(ze));
47        }
48    }
49
50    private static void read(InputStream is)
51        throws IOException
52    {
53        Wrapper wrapper = new Wrapper(is);
54        byte[] buffer = new byte[32];
55        try {
56            while(is.read(buffer)>0){}
57        } catch (IOException ioe) {
58            ioe.printStackTrace();
59        }
60    }
61
62    static class Wrapper{
63        InputStream is;
64        public Wrapper(InputStream is) {
65            this.is = is;
66        }
67
68        @Override
69        protected void finalize() throws Throwable {
70            super.finalize();
71            is.close();
72        }
73    }
74}
75