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/*
* Copyright (c) 2007, 2018, 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.
*/
/*
* @test
* @bug 6521334 6712743 8007902 8151901
* @requires (sun.arch.data.model == "64" & os.maxMemory >= 4g)
* @summary test general packer/unpacker functionality
* using native and java unpackers
* @modules jdk.management
* jdk.zipfs
* @compile -XDignore.symbol.file Utils.java Pack200Test.java
* @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
*/
import java.util.*;
import java.io.*;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
import java.util.jar.*;
/**
* Tests the packing/unpacking via the APIs.
*/
public class Pack200Test {
private static ArrayList <File> jarList = new ArrayList<File>();
static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
static final long m0 = getUsedMemory();
static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
// enable leak checks only if required, GC charecteristics vary on
// platforms and this may not yield consistent results
static final boolean LEAK_CHECK = Boolean.getBoolean("Pack200Test.enableLeakCheck");
/** Creates a new instance of Pack200Test */
private Pack200Test() {}
static long getUsedMemory() {
mmxbean.gc();
mmxbean.gc();
mmxbean.gc();
return mmxbean.getHeapMemoryUsage().getUsed()/1024;
}
private static void leakCheck() throws Exception {
if (!LEAK_CHECK)
return;
long diff = getUsedMemory() - m0;
System.out.println(" Info: memory diff = " + diff + "K");
if (diff > LEAK_TOLERANCE) {
throw new Exception("memory leak detected " + diff);
}
}
private static void doPackUnpack() throws IOException {
for (File in : jarList) {
JarOutputStream javaUnpackerStream = null;
JarOutputStream nativeUnpackerStream = null;
JarFile jarFile = null;
try {
jarFile = new JarFile(in);
// Write out to a jtreg scratch area
File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
System.out.println("Packing [" + in.toString() + "]");
// Call the packer
Utils.pack(jarFile, packFile);
System.out.println("Done Packing [" + in.toString() + "]");
jarFile.close();
System.out.println("Start leak check");
leakCheck();
System.out.println(" Unpacking using java unpacker");
File javaUnpackedJar = new File("java-" + in.getName());
// Write out to current directory, jtreg will setup a scratch area
javaUnpackerStream = new JarOutputStream(
new FileOutputStream(javaUnpackedJar));
Utils.unpackj(packFile, javaUnpackerStream);
javaUnpackerStream.close();
System.out.println(" Testing...java unpacker");
leakCheck();
// Ok we have unpacked the file, lets test it.
Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
System.out.println(" Unpacking using native unpacker");
// Write out to current directory
File nativeUnpackedJar = new File("native-" + in.getName());
nativeUnpackerStream = new JarOutputStream(
new FileOutputStream(nativeUnpackedJar));
Utils.unpackn(packFile, nativeUnpackerStream);
nativeUnpackerStream.close();
System.out.println(" Testing...native unpacker");
leakCheck();
// the unpackers (native and java) should produce identical bits
// so we use use bit wise compare, the verification compare is
// very expensive wrt. time.
Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
System.out.println("Done.");
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
Utils.close(nativeUnpackerStream);
Utils.close(javaUnpackerStream);
Utils.close((Closeable) jarFile);
}
}
Utils.cleanup(); // cleanup artifacts, if successful run
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws Exception {
// select the jars carefully, adding more jars will increase the
// testing time.
jarList.add(Utils.createRtJar());
jarList.add(Utils.getGoldenJar());
System.out.println(jarList);
doPackUnpack();
}
}
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