| /* |
| * Copyright (c) 2014, 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. |
| */ |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarInputStream; |
| import java.util.jar.JarOutputStream; |
| import java.util.zip.ZipEntry; |
| /* |
| * @test |
| * @bug 8029646 |
| * @summary tests that native unpacker produces the same result as Java one |
| * @compile -XDignore.symbol.file Utils.java PackTestZip64.java |
| * @run main PackTestZip64 |
| * @author kizune |
| */ |
| |
| public class PackTestZip64 { |
| public static void main(String... args) throws Exception { |
| testPacking(); |
| Utils.cleanup(); |
| } |
| |
| // 1KB buffer is enough to copy jar content |
| private static final byte[] BUFFER = new byte[1024]; |
| |
| static void testPacking() throws IOException { |
| // make a copy of the test specimen to local directory |
| File testFile = new File("tools_java.jar"); |
| // Add a large number of small files to the golden jar |
| generateLargeJar(testFile, Utils.locateJar("golden.jar")); |
| |
| List<String> cmdsList = new ArrayList<>(); |
| |
| // Repack file to get the Java-based result |
| cmdsList.add(Utils.getPack200Cmd()); |
| cmdsList.add("--repack"); |
| cmdsList.add(testFile.getName()); |
| Utils.runExec(cmdsList); |
| cmdsList.clear(); |
| |
| // Pack file with pack200 and unpack in with unpack200 |
| File packedFile = new File("tools.pack.gz"); |
| cmdsList.add(Utils.getPack200Cmd()); |
| cmdsList.add(packedFile.getName()); |
| cmdsList.add(testFile.getName()); |
| Utils.runExec(cmdsList); |
| cmdsList.clear(); |
| |
| File unpackedFile = new File("tools_native.jar"); |
| cmdsList.add(Utils.getUnpack200Cmd()); |
| cmdsList.add(packedFile.getName()); |
| cmdsList.add(unpackedFile.getName()); |
| Utils.runExec(cmdsList); |
| |
| // Compare files binary |
| compareTwoFiles(testFile, unpackedFile); |
| |
| // Cleaning up generated files |
| testFile.delete(); |
| packedFile.delete(); |
| unpackedFile.delete(); |
| } |
| |
| static void compareTwoFiles(File src, File dst) throws IOException { |
| if (!src.exists()) { |
| throw new IOException("File " + src.getName() + " does not exist!"); |
| } |
| |
| if(!dst.exists()) { |
| throw new IOException("File " + dst.getName() + " does not exist!"); |
| } |
| |
| BufferedInputStream srcis, dstis; |
| srcis = new BufferedInputStream(new FileInputStream(src)); |
| dstis = new BufferedInputStream(new FileInputStream(dst)); |
| |
| int s = 0, d, pos = 0; |
| while (s != -1) { // Checking of just one result for EOF is enough |
| s = srcis.read(); |
| d = dstis.read(); |
| |
| if (s != d) { |
| throw new IOException("Files are differ starting at position: " |
| + Integer.toHexString(pos)); |
| } |
| |
| pos++; |
| } |
| |
| srcis.close(); |
| dstis.close(); |
| } |
| |
| static void generateLargeJar(File result, File source) throws IOException { |
| if (result.exists()) { |
| result.delete(); |
| } |
| |
| try (JarOutputStream copyTo = new JarOutputStream(new FileOutputStream(result)); |
| JarFile srcJar = new JarFile(source)) { |
| |
| for (JarEntry je : Collections.list(srcJar.entries())) { |
| copyTo.putNextEntry(je); |
| if (!je.isDirectory()) { |
| copyStream(srcJar.getInputStream(je), copyTo); |
| } |
| copyTo.closeEntry(); |
| } |
| |
| int many = Short.MAX_VALUE * 2 + 2; |
| |
| for (int i = 0 ; i < many ; i++) { |
| JarEntry e = new JarEntry("F-" + i + ".txt"); |
| copyTo.putNextEntry(e); |
| } |
| copyTo.flush(); |
| copyTo.close(); |
| } |
| } |
| |
| static void copyStream(InputStream in, OutputStream out) throws IOException { |
| int bytesRead; |
| while ((bytesRead = in.read(BUFFER))!= -1) { |
| out.write(BUFFER, 0, bytesRead); |
| } |
| } |
| } |