| /* |
| * Copyright (c) 2005, 2011, 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4770745 4828461 |
| * @summary open zip files with more than 64k entries |
| * @run main/timeout=600 ManyEntries |
| * @author Martin Buchholz |
| */ |
| |
| import java.util.*; |
| import java.util.zip.*; |
| import java.io.*; |
| |
| public class ManyEntries { |
| public static void main(String[] args) throws Exception { |
| boolean runMoreTests = args.length > 0; |
| int[] sizes = (runMoreTests ? |
| new int[]{1, 2, 42, 65534, 65535, 65536, 65537, 68000} : |
| new int[]{1, 2, 42, 68000}); |
| int[] methods = {ZipEntry.STORED, ZipEntry.DEFLATED}; |
| |
| for (int size : sizes) |
| for (int method : methods) |
| test(size, method); |
| } |
| |
| // JDK doesn't like having zip file contents changed at runtime |
| static int uniquifier = 42; |
| |
| static void test(int N, int method) throws Exception { |
| System.out.println("N="+N+", method="+method); |
| long time = System.currentTimeMillis() / 2000 * 2000; |
| CRC32 crc32 = new CRC32(); |
| File zipFile = new File(++uniquifier + ".zip"); |
| try { |
| zipFile.delete(); |
| try (FileOutputStream fos = new FileOutputStream(zipFile); |
| BufferedOutputStream bos = new BufferedOutputStream(fos); |
| ZipOutputStream zos = new ZipOutputStream(bos)) |
| { |
| for (int i = 0; i < N; i++) { |
| ZipEntry e = new ZipEntry("DIR/"+i); |
| e.setMethod(method); |
| e.setTime(time); |
| if (method == ZipEntry.STORED) { |
| e.setSize(1); |
| crc32.reset(); |
| crc32.update((byte)i); |
| e.setCrc(crc32.getValue()); |
| } else { |
| e.setSize(0); |
| e.setCrc(0); |
| } |
| zos.putNextEntry(e); |
| zos.write(i); |
| } |
| } |
| |
| try (ZipFile zip = new ZipFile(zipFile)) { |
| if (! (zip.size() == N)) |
| throw new Exception("Bad ZipFile size: " + zip.size()); |
| Enumeration entries = zip.entries(); |
| |
| for (int i = 0; i < N; i++) { |
| if (i % 1000 == 0) {System.gc(); System.runFinalization();} |
| if (! (entries.hasMoreElements())) |
| throw new Exception("only " + i + " elements"); |
| ZipEntry e = (ZipEntry)entries.nextElement(); |
| if (! (e.getSize() == 1)) |
| throw new Exception("bad size: " + e.getSize()); |
| if (! (e.getName().equals("DIR/" + i))) |
| throw new Exception("bad name: " + i); |
| if (! (e.getMethod() == method)) |
| throw new Exception("getMethod="+e.getMethod()+", method=" + method); |
| if (! (e.getTime() == time)) |
| throw new Exception("getTime="+e.getTime()+", time=" + time); |
| if (! (zip.getInputStream(e).read() == (i & 0xff))) |
| throw new Exception("Bad file contents: " + i); |
| } |
| if (entries.hasMoreElements()) |
| throw new Exception("too many elements"); |
| } |
| } finally { |
| zipFile.delete(); |
| } |
| } |
| } |