1/*
2 * Copyright (c) 2007, 2016, 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 */
23
24 /*
25  * @test
26  * @bug 6521334 6712743 8007902 8151901
27  * @requires (sun.arch.data.model == "64" & os.maxMemory >= 4g)
28  * @summary test general packer/unpacker functionality
29  *          using native and java unpackers
30  * @compile -XDignore.symbol.file Utils.java Pack200Test.java
31  * @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
32  */
33
34import java.util.*;
35import java.io.*;
36import java.lang.management.ManagementFactory;
37import java.lang.management.MemoryMXBean;
38import java.util.jar.*;
39
40/**
41 * Tests the packing/unpacking via the APIs.
42 */
43public class Pack200Test {
44
45    private static ArrayList <File> jarList = new ArrayList<File>();
46    static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
47    static final long m0 = getUsedMemory();
48    static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
49    // enable leak checks only if required, GC charecteristics vary on
50    // platforms and this may not yield consistent results
51    static final boolean LEAK_CHECK = Boolean.getBoolean("Pack200Test.enableLeakCheck");
52
53    /** Creates a new instance of Pack200Test */
54    private Pack200Test() {}
55
56    static long getUsedMemory() {
57        mmxbean.gc();
58        mmxbean.gc();
59        mmxbean.gc();
60        return mmxbean.getHeapMemoryUsage().getUsed()/1024;
61    }
62
63    private static void leakCheck() throws Exception {
64        if (!LEAK_CHECK)
65            return;
66        long diff = getUsedMemory() - m0;
67        System.out.println("  Info: memory diff = " + diff + "K");
68        if (diff > LEAK_TOLERANCE) {
69            throw new Exception("memory leak detected " + diff);
70        }
71    }
72
73    private static void doPackUnpack() throws IOException {
74        for (File in : jarList) {
75            JarOutputStream javaUnpackerStream = null;
76            JarOutputStream nativeUnpackerStream = null;
77            JarFile jarFile = null;
78            try {
79                jarFile = new JarFile(in);
80
81                // Write out to a jtreg scratch area
82                File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
83
84                System.out.println("Packing [" + in.toString() + "]");
85                // Call the packer
86                Utils.pack(jarFile, packFile);
87                System.out.println("Done Packing [" + in.toString() + "]");
88                jarFile.close();
89                System.out.println("Start leak check");
90                leakCheck();
91
92                System.out.println("  Unpacking using java unpacker");
93                File javaUnpackedJar = new File("java-" + in.getName());
94                // Write out to current directory, jtreg will setup a scratch area
95                javaUnpackerStream = new JarOutputStream(
96                        new FileOutputStream(javaUnpackedJar));
97                Utils.unpackj(packFile, javaUnpackerStream);
98                javaUnpackerStream.close();
99                System.out.println("  Testing...java unpacker");
100                leakCheck();
101                // Ok we have unpacked the file, lets test it.
102                Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
103
104                System.out.println("  Unpacking using native unpacker");
105                // Write out to current directory
106                File nativeUnpackedJar = new File("native-" + in.getName());
107                nativeUnpackerStream = new JarOutputStream(
108                        new FileOutputStream(nativeUnpackedJar));
109                Utils.unpackn(packFile, nativeUnpackerStream);
110                nativeUnpackerStream.close();
111                System.out.println("  Testing...native unpacker");
112                leakCheck();
113                // the unpackers (native and java) should produce identical bits
114                // so we use use bit wise compare, the verification compare is
115                // very expensive wrt. time.
116                Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
117                System.out.println("Done.");
118            } catch (Exception e) {
119                throw new RuntimeException(e);
120            } finally {
121                Utils.close(nativeUnpackerStream);
122                Utils.close(javaUnpackerStream);
123                Utils.close((Closeable) jarFile);
124            }
125        }
126        Utils.cleanup(); // cleanup artifacts, if successful run
127    }
128
129    /**
130     * @param args the command line arguments
131     */
132    public static void main(String[] args) throws Exception {
133        // select the jars carefully, adding more jars will increase the
134        // testing time, especially for jprt.
135        jarList.add(Utils.createRtJar());
136        jarList.add(Utils.getGoldenJar());
137        System.out.println(jarList);
138        doPackUnpack();
139    }
140}
141