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 */ 23import java.io.*; 24import java.util.ArrayList; 25import java.util.Collections; 26import java.util.Enumeration; 27import java.util.List; 28import java.util.jar.JarEntry; 29import java.util.jar.JarFile; 30import java.util.jar.JarInputStream; 31import java.util.jar.JarOutputStream; 32import 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 */ 41 42public class PackTestZip64 { 43 44 private static final boolean bigJarEnabled 45 = Boolean.getBoolean("PackTestZip64.enableBigJar"); 46 47 public static void main(String... args) throws Exception { 48 testPacking(); 49 Utils.cleanup(); 50 } 51 52 // 1KB buffer is enough to copy jar content 53 private static final byte[] BUFFER = new byte[1024]; 54 55 static void testPacking() throws IOException { 56 File testFile = new File("tools_java.jar"); 57 if (bigJarEnabled) { 58 // Add a large number of small files to the golden jar 59 generateLargeJar(testFile, Utils.getGoldenJar()); 60 } else { 61 // make a copy of the test specimen to local directory 62 Utils.copyFile(Utils.getGoldenJar(), testFile); 63 } 64 65 List<String> cmdsList = new ArrayList<>(); 66 67 // Repack file to get the Java-based result 68 cmdsList.add(Utils.getPack200Cmd()); 69 cmdsList.add("--repack"); 70 cmdsList.add(testFile.getName()); 71 Utils.runExec(cmdsList); 72 cmdsList.clear(); 73 74 // Pack file with pack200 and unpack in with unpack200 75 File packedFile = new File("tools.pack.gz"); 76 cmdsList.add(Utils.getPack200Cmd()); 77 cmdsList.add(packedFile.getName()); 78 cmdsList.add(testFile.getName()); 79 Utils.runExec(cmdsList); 80 cmdsList.clear(); 81 82 File unpackedFile = new File("tools_native.jar"); 83 cmdsList.add(Utils.getUnpack200Cmd()); 84 cmdsList.add(packedFile.getName()); 85 cmdsList.add(unpackedFile.getName()); 86 Utils.runExec(cmdsList); 87 88 // Compare files binary 89 compareTwoFiles(testFile, unpackedFile); 90 91 // Cleaning up generated files 92 testFile.delete(); 93 packedFile.delete(); 94 unpackedFile.delete(); 95 } 96 97 static void compareTwoFiles(File src, File dst) throws IOException { 98 if (!src.exists()) { 99 throw new IOException("File " + src.getName() + " does not exist!"); 100 } 101 102 if(!dst.exists()) { 103 throw new IOException("File " + dst.getName() + " does not exist!"); 104 } 105 106 BufferedInputStream srcis, dstis; 107 srcis = new BufferedInputStream(new FileInputStream(src)); 108 dstis = new BufferedInputStream(new FileInputStream(dst)); 109 110 int s = 0, d, pos = 0; 111 while (s != -1) { // Checking of just one result for EOF is enough 112 s = srcis.read(); 113 d = dstis.read(); 114 115 if (s != d) { 116 throw new IOException("Files are differ starting at position: " 117 + Integer.toHexString(pos)); 118 } 119 120 pos++; 121 } 122 123 srcis.close(); 124 dstis.close(); 125 } 126 127 static void generateLargeJar(File result, File source) throws IOException { 128 if (result.exists()) { 129 result.delete(); 130 } 131 132 try (JarOutputStream copyTo = new JarOutputStream(new FileOutputStream(result)); 133 JarFile srcJar = new JarFile(source)) { 134 135 for (JarEntry je : Collections.list(srcJar.entries())) { 136 copyTo.putNextEntry(je); 137 if (!je.isDirectory()) { 138 copyStream(srcJar.getInputStream(je), copyTo); 139 } 140 copyTo.closeEntry(); 141 } 142 143 int many = Short.MAX_VALUE * 2 + 2; 144 145 for (int i = 0 ; i < many ; i++) { 146 JarEntry e = new JarEntry("F-" + i + ".txt"); 147 copyTo.putNextEntry(e); 148 } 149 copyTo.flush(); 150 copyTo.close(); 151 } 152 } 153 154 static void copyStream(InputStream in, OutputStream out) throws IOException { 155 int bytesRead; 156 while ((bytesRead = in.read(BUFFER))!= -1) { 157 out.write(BUFFER, 0, bytesRead); 158 } 159 } 160} 161