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/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4770745 4828461
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* @summary open zip files with more than 64k entries
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* @run main/timeout=600 ManyEntries
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* @author Martin Buchholz
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*/
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import java.util.*;
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import java.util.zip.*;
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import java.io.*;
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public class ManyEntries {
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public static void main(String[] args) throws Exception {
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boolean runMoreTests = args.length > 0;
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int[] sizes = (runMoreTests ?
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new int[]{1, 2, 42, 65534, 65535, 65536, 65537, 68000} :
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new int[]{1, 2, 42, 68000});
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int[] methods = {ZipEntry.STORED, ZipEntry.DEFLATED};
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for (int size : sizes)
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for (int method : methods)
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test(size, method);
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}
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// JDK doesn't like having zip file contents changed at runtime
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static int uniquifier = 42;
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static void test(int N, int method) throws Exception {
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System.out.println("N="+N+", method="+method);
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long time = System.currentTimeMillis() / 2000 * 2000;
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CRC32 crc32 = new CRC32();
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File zipFile = new File(++uniquifier + ".zip");
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try {
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zipFile.delete();
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ZipOutputStream zos =
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new ZipOutputStream(
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new BufferedOutputStream(
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new FileOutputStream(zipFile)));
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for (int i = 0; i < N; i++) {
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ZipEntry e = new ZipEntry("DIR/"+i);
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e.setMethod(method);
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e.setTime(time);
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if (method == ZipEntry.STORED) {
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e.setSize(1);
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crc32.reset();
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crc32.update((byte)i);
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e.setCrc(crc32.getValue());
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} else {
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e.setSize(0);
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e.setCrc(0);
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}
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zos.putNextEntry(e);
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zos.write(i);
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}
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zos.close();
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zos = null;
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ZipFile zip = new ZipFile(zipFile);
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if (! (zip.size() == N))
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throw new Exception("Bad ZipFile size: " + zip.size());
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Enumeration entries = zip.entries();
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for (int i = 0; i < N; i++) {
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if (i % 1000 == 0) {System.gc(); System.runFinalization();}
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if (! (entries.hasMoreElements()))
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throw new Exception("only " + i + " elements");
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ZipEntry e = (ZipEntry)entries.nextElement();
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if (! (e.getSize() == 1))
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throw new Exception("bad size: " + e.getSize());
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if (! (e.getName().equals("DIR/" + i)))
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throw new Exception("bad name: " + i);
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if (! (e.getMethod() == method))
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throw new Exception("getMethod="+e.getMethod()+", method=" + method);
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if (! (e.getTime() == time))
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throw new Exception("getTime="+e.getTime()+", time=" + time);
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if (! (zip.getInputStream(e).read() == (i & 0xff)))
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throw new Exception("Bad file contents: " + i);
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}
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if (entries.hasMoreElements())
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throw new Exception("too many elements");
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}
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finally {
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zipFile.delete();
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}
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}
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}
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