jdk/test/tools/pack200/Pack200Test.java
author amlu
Wed, 21 Sep 2016 08:55:47 +0800
changeset 41104 165401a41a97
parent 40792 cfcc66f92aec
permissions -rw-r--r--
8166248: tools/pack200/Pack200Test.java fails on Win32: Could not reserve enough space Reviewed-by: ksrini
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/*
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 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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 /*
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  * @test
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  * @bug 6521334 6712743 8007902 8151901
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  * @requires (sun.arch.data.model == "64" & os.maxMemory >= 4g)
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  * @summary test general packer/unpacker functionality
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  *          using native and java unpackers
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  * @compile -XDignore.symbol.file Utils.java Pack200Test.java
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  * @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
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  */
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import java.util.*;
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import java.io.*;
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryMXBean;
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import java.util.jar.*;
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/**
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 * Tests the packing/unpacking via the APIs.
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 */
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public class Pack200Test {
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    private static ArrayList <File> jarList = new ArrayList<File>();
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    static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
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    static final long m0 = getUsedMemory();
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    static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
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    // enable leak checks only if required, GC charecteristics vary on
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    // platforms and this may not yield consistent results
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    static final boolean LEAK_CHECK = Boolean.getBoolean("Pack200Test.enableLeakCheck");
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    /** Creates a new instance of Pack200Test */
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    private Pack200Test() {}
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    static long getUsedMemory() {
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        mmxbean.gc();
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        mmxbean.gc();
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        mmxbean.gc();
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        return mmxbean.getHeapMemoryUsage().getUsed()/1024;
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    }
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    private static void leakCheck() throws Exception {
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        if (!LEAK_CHECK)
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            return;
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        long diff = getUsedMemory() - m0;
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        System.out.println("  Info: memory diff = " + diff + "K");
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        if (diff > LEAK_TOLERANCE) {
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            throw new Exception("memory leak detected " + diff);
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        }
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    }
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    private static void doPackUnpack() throws IOException {
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        for (File in : jarList) {
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            JarOutputStream javaUnpackerStream = null;
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            JarOutputStream nativeUnpackerStream = null;
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            JarFile jarFile = null;
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            try {
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                jarFile = new JarFile(in);
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                // Write out to a jtreg scratch area
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                File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
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                System.out.println("Packing [" + in.toString() + "]");
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                // Call the packer
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                Utils.pack(jarFile, packFile);
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                System.out.println("Done Packing [" + in.toString() + "]");
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                jarFile.close();
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                System.out.println("Start leak check");
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                leakCheck();
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                System.out.println("  Unpacking using java unpacker");
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                File javaUnpackedJar = new File("java-" + in.getName());
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                // Write out to current directory, jtreg will setup a scratch area
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                javaUnpackerStream = new JarOutputStream(
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                        new FileOutputStream(javaUnpackedJar));
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                Utils.unpackj(packFile, javaUnpackerStream);
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                javaUnpackerStream.close();
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                System.out.println("  Testing...java unpacker");
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                leakCheck();
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                // Ok we have unpacked the file, lets test it.
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                Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
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                System.out.println("  Unpacking using native unpacker");
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                // Write out to current directory
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                File nativeUnpackedJar = new File("native-" + in.getName());
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                nativeUnpackerStream = new JarOutputStream(
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                        new FileOutputStream(nativeUnpackedJar));
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                Utils.unpackn(packFile, nativeUnpackerStream);
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                nativeUnpackerStream.close();
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                System.out.println("  Testing...native unpacker");
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                leakCheck();
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                // the unpackers (native and java) should produce identical bits
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                // so we use use bit wise compare, the verification compare is
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                // very expensive wrt. time.
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                Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
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                System.out.println("Done.");
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            } catch (Exception e) {
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                throw new RuntimeException(e);
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            } finally {
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                Utils.close(nativeUnpackerStream);
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                Utils.close(javaUnpackerStream);
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                Utils.close((Closeable) jarFile);
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            }
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        }
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        Utils.cleanup(); // cleanup artifacts, if successful run
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    }
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    /**
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     * @param args the command line arguments
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     */
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    public static void main(String[] args) throws Exception {
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        // select the jars carefully, adding more jars will increase the
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        // testing time, especially for jprt.
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        jarList.add(Utils.createRtJar());
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        jarList.add(Utils.getGoldenJar());
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        System.out.println(jarList);
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        doPackUnpack();
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    }
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}