1 /*
2 * Copyright (c) 2007, 2014, 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 import java.util.*;
26 import java.io.*;
27 import java.lang.management.ManagementFactory;
28 import java.lang.management.MemoryMXBean;
29 import java.util.jar.*;
30
31 /*
32 * @test
33 * @bug 6521334 6712743 8007902
34 * @summary check for memory leaks, test general packer/unpacker functionality\
35 * using native and java unpackers
36 * @compile -XDignore.symbol.file Utils.java Pack200Test.java
37 * @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
38 * @author ksrini
39 */
40
41 /**
42 * Tests the packing/unpacking via the APIs.
43 */
44 public class Pack200Test {
45
46 private static ArrayList <File> jarList = new ArrayList<File>();
47 static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
48 static final long m0 = getUsedMemory();
49 static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
50
51 /** Creates a new instance of Pack200Test */
52 private Pack200Test() {}
53
54 static long getUsedMemory() {
55 mmxbean.gc();
56 mmxbean.gc();
57 mmxbean.gc();
58 return mmxbean.getHeapMemoryUsage().getUsed()/1024;
59 }
60
61 private static void leakCheck() throws Exception {
62 long diff = getUsedMemory() - m0;
63 System.out.println(" Info: memory diff = " + diff + "K");
64 if ( diff > LEAK_TOLERANCE) {
65 throw new Exception("memory leak detected " + diff);
66 }
67 }
68
69 private static void doPackUnpack() throws IOException {
70 for (File in : jarList) {
71 JarOutputStream javaUnpackerStream = null;
72 JarOutputStream nativeUnpackerStream = null;
73 JarFile jarFile = null;
74 try {
75 jarFile = new JarFile(in);
76
77 // Write out to a jtreg scratch area
78 File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
79
80 System.out.println("Packing [" + in.toString() + "]");
81 // Call the packer
82 Utils.pack(jarFile, packFile);
83 jarFile.close();
84 leakCheck();
85
86 System.out.println(" Unpacking using java unpacker");
87 File javaUnpackedJar = new File("java-" + in.getName());
88 // Write out to current directory, jtreg will setup a scratch area
89 javaUnpackerStream = new JarOutputStream(
90 new FileOutputStream(javaUnpackedJar));
91 Utils.unpackj(packFile, javaUnpackerStream);
92 javaUnpackerStream.close();
93 System.out.println(" Testing...java unpacker");
94 leakCheck();
95 // Ok we have unpacked the file, lets test it.
96 Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
97
98 System.out.println(" Unpacking using native unpacker");
99 // Write out to current directory
100 File nativeUnpackedJar = new File("native-" + in.getName());
101 nativeUnpackerStream = new JarOutputStream(
102 new FileOutputStream(nativeUnpackedJar));
103 Utils.unpackn(packFile, nativeUnpackerStream);
104 nativeUnpackerStream.close();
105 System.out.println(" Testing...native unpacker");
106 leakCheck();
107 // the unpackers (native and java) should produce identical bits
108 // so we use use bit wise compare, the verification compare is
109 // very expensive wrt. time.
110 Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
111 System.out.println("Done.");
112 } catch (Exception e) {
113 throw new RuntimeException(e);
114 } finally {
115 Utils.close(nativeUnpackerStream);
116 Utils.close(javaUnpackerStream);
117 Utils.close((Closeable) jarFile);
118 }
119 }
120 Utils.cleanup(); // cleanup artifacts, if successful run
121 }
122
123 /**
124 * @param args the command line arguments
125 */
126 public static void main(String[] args) throws IOException {
127 // select the jars carefully, adding more jars will increase the
128 // testing time, especially for jprt.
129 jarList.add(Utils.createRtJar());
130 jarList.add(Utils.getGoldenJar());
131 System.out.println(jarList);
132 doPackUnpack();
133 }
134 }