1 /* 2 * Copyright (c) 2005, 2011, 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 4770745 4828461 26 * @summary open zip files with more than 64k entries 27 * @run main/timeout=600 ManyEntries 28 * @author Martin Buchholz 29 */ 30 31 import java.util.*; 32 import java.util.zip.*; 33 import java.io.*; 34 35 public class ManyEntries { 36 public static void main(String[] args) throws Exception { 37 boolean runMoreTests = args.length > 0; 38 int[] sizes = (runMoreTests ? 39 new int[]{1, 2, 42, 65534, 65535, 65536, 65537, 68000} : 40 new int[]{1, 2, 42, 68000}); 41 int[] methods = {ZipEntry.STORED, ZipEntry.DEFLATED}; 42 43 for (int size : sizes) 44 for (int method : methods) 45 test(size, method); 46 } 47 48 // JDK doesn't like having zip file contents changed at runtime 49 static int uniquifier = 42; 50 51 static void test(int N, int method) throws Exception { 52 System.out.println("N="+N+", method="+method); 53 long time = System.currentTimeMillis() / 2000 * 2000; 54 CRC32 crc32 = new CRC32(); 55 File zipFile = new File(++uniquifier + ".zip"); 56 try { 57 zipFile.delete(); 58 try (FileOutputStream fos = new FileOutputStream(zipFile); 59 BufferedOutputStream bos = new BufferedOutputStream(fos); 60 ZipOutputStream zos = new ZipOutputStream(bos)) 61 { 62 for (int i = 0; i < N; i++) { 63 ZipEntry e = new ZipEntry("DIR/"+i); 64 e.setMethod(method); 65 e.setTime(time); 66 if (method == ZipEntry.STORED) { 67 e.setSize(1); 68 crc32.reset(); 69 crc32.update((byte)i); 70 e.setCrc(crc32.getValue()); 71 } else { 72 e.setSize(0); 73 e.setCrc(0); 74 } 75 zos.putNextEntry(e); 76 zos.write(i); 77 } 78 } 79 80 try (ZipFile zip = new ZipFile(zipFile)) { 81 if (! (zip.size() == N)) 82 throw new Exception("Bad ZipFile size: " + zip.size()); 83 Enumeration entries = zip.entries(); 84 85 for (int i = 0; i < N; i++) { 86 if (i % 1000 == 0) {System.gc(); System.runFinalization();} 87 if (! (entries.hasMoreElements())) 88 throw new Exception("only " + i + " elements"); 89 ZipEntry e = (ZipEntry)entries.nextElement(); 90 if (! (e.getSize() == 1)) 91 throw new Exception("bad size: " + e.getSize()); 92 if (! (e.getName().equals("DIR/" + i))) 93 throw new Exception("bad name: " + i); 94 if (! (e.getMethod() == method)) 95 throw new Exception("getMethod="+e.getMethod()+", method=" + method); 96 if (! (e.getTime() == time)) 97 throw new Exception("getTime="+e.getTime()+", time=" + time); 98 if (! (zip.getInputStream(e).read() == (i & 0xff))) 99 throw new Exception("Bad file contents: " + i); 100 } 101 if (entries.hasMoreElements()) 102 throw new Exception("too many elements"); 103 } 104 } finally { 105 zipFile.delete(); 106 } 107 } 108 }