1 /* 2 * Copyright (c) 2014, 2015, 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 import java.io.*; 24 import java.util.ArrayList; 25 import java.util.Collections; 26 import java.util.Enumeration; 27 import java.util.List; 28 import java.util.jar.JarEntry; 29 import java.util.jar.JarFile; 30 import java.util.jar.JarInputStream; 31 import java.util.jar.JarOutputStream; 32 import java.util.zip.ZipEntry; 33 /* 34 * @test 35 * @bug 8029646 36 * @summary tests that native unpacker produces the same result as Java one 37 * @compile -XDignore.symbol.file Utils.java PackTestZip64.java 38 * @run main PackTestZip64 39 * @author kizune 40 * @key intermittent 41 */ 42 43 public class PackTestZip64 { 44 public static void main(String... args) throws Exception { 45 testPacking(); 46 Utils.cleanup(); 47 } 48 49 // 1KB buffer is enough to copy jar content 50 private static final byte[] BUFFER = new byte[1024]; 51 52 static void testPacking() throws IOException { 53 // make a copy of the test specimen to local directory 54 File testFile = new File("tools_java.jar"); 55 // Add a large number of small files to the golden jar 56 generateLargeJar(testFile, Utils.getGoldenJar()); 57 58 List<String> cmdsList = new ArrayList<>(); 59 60 // Repack file to get the Java-based result 61 cmdsList.add(Utils.getPack200Cmd()); 62 cmdsList.add("--repack"); 63 cmdsList.add(testFile.getName()); 64 Utils.runExec(cmdsList); 65 cmdsList.clear(); 66 67 // Pack file with pack200 and unpack in with unpack200 68 File packedFile = new File("tools.pack.gz"); 69 cmdsList.add(Utils.getPack200Cmd()); 70 cmdsList.add(packedFile.getName()); 71 cmdsList.add(testFile.getName()); 72 Utils.runExec(cmdsList); 73 cmdsList.clear(); 74 75 File unpackedFile = new File("tools_native.jar"); 76 cmdsList.add(Utils.getUnpack200Cmd()); 77 cmdsList.add(packedFile.getName()); 78 cmdsList.add(unpackedFile.getName()); 79 Utils.runExec(cmdsList); 80 81 // Compare files binary 82 compareTwoFiles(testFile, unpackedFile); 83 84 // Cleaning up generated files 85 testFile.delete(); 86 packedFile.delete(); 87 unpackedFile.delete(); 88 } 89 90 static void compareTwoFiles(File src, File dst) throws IOException { 91 if (!src.exists()) { 92 throw new IOException("File " + src.getName() + " does not exist!"); 93 } 94 95 if(!dst.exists()) { 96 throw new IOException("File " + dst.getName() + " does not exist!"); 97 } 98 99 BufferedInputStream srcis, dstis; 100 srcis = new BufferedInputStream(new FileInputStream(src)); 101 dstis = new BufferedInputStream(new FileInputStream(dst)); 102 103 int s = 0, d, pos = 0; 104 while (s != -1) { // Checking of just one result for EOF is enough 105 s = srcis.read(); 106 d = dstis.read(); 107 108 if (s != d) { 109 throw new IOException("Files are differ starting at position: " 110 + Integer.toHexString(pos)); 111 } 112 113 pos++; 114 } 115 116 srcis.close(); 117 dstis.close(); 118 } 119 120 static void generateLargeJar(File result, File source) throws IOException { 121 if (result.exists()) { 122 result.delete(); 123 } 124 125 try (JarOutputStream copyTo = new JarOutputStream(new FileOutputStream(result)); 126 JarFile srcJar = new JarFile(source)) { 127 128 for (JarEntry je : Collections.list(srcJar.entries())) { 129 copyTo.putNextEntry(je); 130 if (!je.isDirectory()) { 131 copyStream(srcJar.getInputStream(je), copyTo); 132 } 133 copyTo.closeEntry(); 134 } 135 136 int many = Short.MAX_VALUE * 2 + 2; 137 138 for (int i = 0 ; i < many ; i++) { 139 JarEntry e = new JarEntry("F-" + i + ".txt"); 140 copyTo.putNextEntry(e); 141 } 142 copyTo.flush(); 143 copyTo.close(); 144 } 145 } 146 147 static void copyStream(InputStream in, OutputStream out) throws IOException { 148 int bytesRead; 149 while ((bytesRead = in.read(BUFFER))!= -1) { 150 out.write(BUFFER, 0, bytesRead); 151 } 152 } 153 }