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/*
* Copyright (c) 2014, 2015, 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 {
private static final boolean bigJarEnabled
= Boolean.getBoolean("PackTestZip64.enableBigJar");
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 {
File testFile = new File("tools_java.jar");
if (bigJarEnabled) {
// Add a large number of small files to the golden jar
generateLargeJar(testFile, Utils.getGoldenJar());
} else {
// make a copy of the test specimen to local directory
Utils.copyFile(Utils.getGoldenJar(), testFile);
}
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);
}
}
}
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