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comparison test/gc/6941923/Test6941923.java @ 9074:63f57a8c5283

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8009808: TEST-BUG : test case is using bash style tests. Default shell for jtreg is bourne. thus failure Summary: Rewrite test to use Java only instead of shell script Reviewed-by: mgerdin, brutisso Contributed-by: leonid.mesnik@oracle.com
author mgerdin
date Tue, 09 Apr 2013 15:32:45 +0200
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children de6a9e811145
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9073:83f27710f5f7 9074:63f57a8c5283
1 /*
2 * Copyright (c) 2012, 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 Test6941923.java
26 * @bug 6941923
27 * @summary test flags for gc log rotation
28 * @library /testlibrary
29 * @run main/othervm/timeout=600 Test6941923
30 *
31 */
32 import com.oracle.java.testlibrary.*;
33 import java.io.File;
34 import java.io.FilenameFilter;
35 import java.util.ArrayList;
36 import java.util.Arrays;
37
38 class GCLoggingGenerator {
39
40 public static void main(String[] args) throws Exception {
41
42 long sizeOfLog = Long.parseLong(args[0]);
43 long lines = sizeOfLog / 80;
44 // full.GC generates ad least 1-line which is not shorter then 80 chars
45 // for some GC 2 shorter lines are generated
46 for (long i = 0; i < lines; i++) {
47 System.gc();
48 }
49 }
50 }
51
52 public class Test6941923 {
53
54 static final File currentDirectory = new File(".");
55 static final String logFileName = "test.log";
56 static final int logFileSizeK = 16;
57 static FilenameFilter logFilter = new FilenameFilter() {
58 @Override
59 public boolean accept(File dir, String name) {
60 return name.startsWith(logFileName);
61 }
62 };
63
64 public static void cleanLogs() {
65 for (File log : currentDirectory.listFiles(logFilter)) {
66 if (!log.delete()) {
67 throw new Error("Unable to delete " + log.getAbsolutePath());
68 }
69 }
70 }
71
72 public static void runTest(int numberOfFiles) throws Exception {
73
74 ArrayList<String> args = new ArrayList();
75 String[] logOpts = new String[]{
76 "-cp", System.getProperty("java.class.path"),
77 "-Xloggc:" + logFileName,
78 "-XX:-DisableExplicitGC", // to sure that System.gc() works
79 "-XX:+PrintGC", "-XX:+PrintGCDetails", "-XX:+UseGCLogFileRotation",
80 "-XX:NumberOfGCLogFiles=" + numberOfFiles,
81 "-XX:GCLogFileSize=" + logFileSizeK + "K", "-Xmx128M"};
82 // System.getProperty("test.java.opts") is '' if no options is set
83 // need to skip such empty
84 String[] externalVMopts = System.getProperty("test.java.opts").length() == 0
85 ? new String[0]
86 : System.getProperty("test.java.opts").split(" ");
87 args.addAll(Arrays.asList(externalVMopts));
88 args.addAll(Arrays.asList(logOpts));
89 args.add(GCLoggingGenerator.class.getName());
90 args.add(String.valueOf(numberOfFiles * logFileSizeK * 1024));
91 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args.toArray(new String[0]));
92 pb.redirectErrorStream(true);
93 pb.redirectOutput(new File(GCLoggingGenerator.class.getName() + ".log"));
94 Process process = pb.start();
95 int result = process.waitFor();
96 if (result != 0) {
97 throw new Error("Unexpected exit code = " + result);
98 }
99 File[] logs = currentDirectory.listFiles(logFilter);
100 int smallFilesNumber = 0;
101 for (File log : logs) {
102 if (log.length() < logFileSizeK * 1024) {
103 smallFilesNumber++;
104 }
105 }
106 if (logs.length != numberOfFiles) {
107 throw new Error("There are only " + logs.length + " logs instead " + numberOfFiles);
108 }
109 if (smallFilesNumber > 1) {
110 throw new Error("There should maximum one log with size < " + logFileSizeK + "K");
111 }
112 }
113
114 public static void main(String[] args) throws Exception {
115 cleanLogs();
116 runTest(1);
117 cleanLogs();
118 runTest(3);
119 cleanLogs();
120 }
121 }