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 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 * @key intermittent
35 * @summary check for memory leaks, test general packer/unpacker functionality\
36 * using native and java unpackers
37 * @compile -XDignore.symbol.file Utils.java Pack200Test.java
38 * @run main/othervm/timeout=1200 -Xmx1280m -Xshare:off Pack200Test
39 * @author ksrini
40 */
41
42 /**
43 * Tests the packing/unpacking via the APIs.
44 */
45 public class Pack200Test {
46
47 private static ArrayList <File> jarList = new ArrayList<File>();
48 static final MemoryMXBean mmxbean = ManagementFactory.getMemoryMXBean();
49 static final long m0 = getUsedMemory();
50 static final int LEAK_TOLERANCE = 21000; // OS and GC related variations.
51
52 /** Creates a new instance of Pack200Test */
53 private Pack200Test() {}
54
55 static long getUsedMemory() {
56 mmxbean.gc();
57 mmxbean.gc();
58 mmxbean.gc();
59 return mmxbean.getHeapMemoryUsage().getUsed()/1024;
60 }
61
62 private static void leakCheck() throws Exception {
63 long diff = getUsedMemory() - m0;
64 System.out.println(" Info: memory diff = " + diff + "K");
65 if ( diff > LEAK_TOLERANCE) {
66 throw new Exception("memory leak detected " + diff);
67 }
68 }
69
70 private static void doPackUnpack() throws IOException {
71 for (File in : jarList) {
72 JarOutputStream javaUnpackerStream = null;
73 JarOutputStream nativeUnpackerStream = null;
74 JarFile jarFile = null;
75 try {
76 jarFile = new JarFile(in);
77
78 // Write out to a jtreg scratch area
79 File packFile = new File(in.getName() + Utils.PACK_FILE_EXT);
80
81 System.out.println("Packing [" + in.toString() + "]");
82 // Call the packer
83 Utils.pack(jarFile, packFile);
84 System.out.println("Done Packing [" + in.toString() + "]");
85 jarFile.close();
86 System.out.println("Start leak check");
87 leakCheck();
88
89 System.out.println(" Unpacking using java unpacker");
90 File javaUnpackedJar = new File("java-" + in.getName());
91 // Write out to current directory, jtreg will setup a scratch area
92 javaUnpackerStream = new JarOutputStream(
93 new FileOutputStream(javaUnpackedJar));
94 Utils.unpackj(packFile, javaUnpackerStream);
95 javaUnpackerStream.close();
96 System.out.println(" Testing...java unpacker");
97 leakCheck();
98 // Ok we have unpacked the file, lets test it.
99 Utils.doCompareVerify(in.getAbsoluteFile(), javaUnpackedJar);
100
101 System.out.println(" Unpacking using native unpacker");
102 // Write out to current directory
103 File nativeUnpackedJar = new File("native-" + in.getName());
104 nativeUnpackerStream = new JarOutputStream(
105 new FileOutputStream(nativeUnpackedJar));
106 Utils.unpackn(packFile, nativeUnpackerStream);
107 nativeUnpackerStream.close();
108 System.out.println(" Testing...native unpacker");
109 leakCheck();
110 // the unpackers (native and java) should produce identical bits
111 // so we use use bit wise compare, the verification compare is
112 // very expensive wrt. time.
113 Utils.doCompareBitWise(javaUnpackedJar, nativeUnpackedJar);
114 System.out.println("Done.");
115 } catch (Exception e) {
116 throw new RuntimeException(e);
117 } finally {
118 Utils.close(nativeUnpackerStream);
119 Utils.close(javaUnpackerStream);
120 Utils.close((Closeable) jarFile);
121 }
122 }
123 Utils.cleanup(); // cleanup artifacts, if successful run
124 }
125
126 /**
127 * @param args the command line arguments
128 */
129 public static void main(String[] args) throws IOException {
130 // select the jars carefully, adding more jars will increase the
131 // testing time, especially for jprt.
132 jarList.add(Utils.createRtJar());
133 jarList.add(Utils.getGoldenJar());
134 System.out.println(jarList);
135 doPackUnpack();
136 }
137 }