aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test TestGCLogRotationViaJcmd.java
aoqi@0:  * @bug 7090324
aoqi@0:  * @summary test for gc log rotation via jcmd
aoqi@0:  * @library /testlibrary
aoqi@0:  * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd
aoqi@0:  *
aoqi@0:  */
aoqi@0: import com.oracle.java.testlibrary.*;
aoqi@0: import java.io.File;
aoqi@0: import java.io.FilenameFilter;
aoqi@0: 
aoqi@0: public class TestGCLogRotationViaJcmd {
aoqi@0: 
aoqi@0:     static final File currentDirectory = new File(".");
aoqi@0:     static final String LOG_FILE_NAME = "test.log";
aoqi@0:     static final int NUM_LOGS = 3;
aoqi@0: 
aoqi@0:     static FilenameFilter logFilter = new FilenameFilter() {
aoqi@0:         @Override
aoqi@0:         public boolean accept(File dir, String name) {
aoqi@0:             return name.startsWith(LOG_FILE_NAME);
aoqi@0:         }
aoqi@0:     };
aoqi@0: 
aoqi@0:     public static void main(String[] args) throws Exception {
aoqi@0:         // Grab the pid from the current java process
aoqi@0:         String pid = Integer.toString(ProcessTools.getProcessId());
aoqi@0: 
aoqi@0:         // Create a JDKToolLauncher
aoqi@0:         JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd")
aoqi@0:                                               .addToolArg(pid)
aoqi@0:                                               .addToolArg("GC.rotate_log");
aoqi@0: 
aoqi@0:         for (int times = 1; times < NUM_LOGS; times++) {
aoqi@0:             // Run jcmd <pid> GC.rotate_log
aoqi@0:             ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand());
aoqi@0: 
aoqi@0:             // Make sure we didn't crash
aoqi@0:             OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:             output.shouldHaveExitValue(0);
aoqi@0:         }
aoqi@0: 
aoqi@0:         // GC log check
aoqi@0:         File[] logs = currentDirectory.listFiles(logFilter);
aoqi@0:         if (logs.length != NUM_LOGS) {
aoqi@0:             throw new Error("There are only " + logs.length
aoqi@0:                                               + " logs instead " + NUM_LOGS);
aoqi@0:         }
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0: }
aoqi@0: