1 /* |
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test TestGCLogRotationViaJcmd.java |
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26 * @bug 7090324 |
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27 * @summary test for gc log rotation via jcmd |
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28 * @library /testlibrary |
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29 * @modules java.base/sun.misc |
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30 * java.management |
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31 * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd |
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32 * |
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33 */ |
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34 import jdk.test.lib.*; |
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35 import java.io.File; |
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36 import java.io.FilenameFilter; |
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37 |
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38 public class TestGCLogRotationViaJcmd { |
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39 |
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40 static final File currentDirectory = new File("."); |
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41 static final String LOG_FILE_NAME = "test.log"; |
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42 static final int NUM_LOGS = 3; |
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43 |
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44 static FilenameFilter logFilter = new FilenameFilter() { |
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45 @Override |
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46 public boolean accept(File dir, String name) { |
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47 return name.startsWith(LOG_FILE_NAME); |
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48 } |
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49 }; |
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50 |
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51 public static void main(String[] args) throws Exception { |
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52 // Grab the pid from the current java process |
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53 String pid = Integer.toString(ProcessTools.getProcessId()); |
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54 |
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55 // Create a JDKToolLauncher |
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56 JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd") |
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57 .addToolArg(pid) |
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58 .addToolArg("GC.rotate_log"); |
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59 |
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60 for (int times = 1; times < NUM_LOGS; times++) { |
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61 // Run jcmd <pid> GC.rotate_log |
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62 ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand()); |
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63 |
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64 // Make sure we didn't crash |
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65 OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
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66 output.shouldHaveExitValue(0); |
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67 } |
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68 |
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69 // GC log check |
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70 File[] logs = currentDirectory.listFiles(logFilter); |
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71 if (logs.length != NUM_LOGS) { |
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72 throw new Error("There are only " + logs.length |
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73 + " logs instead " + NUM_LOGS); |
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74 } |
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75 |
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76 } |
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77 |
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78 } |
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79 |
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