1 /*
   2  * Copyright (c) 2015, 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 import org.testng.annotations.Test;
  25 import org.testng.Assert;
  26 
  27 import java.io.IOException;
  28 import java.nio.file.Files;
  29 import java.nio.file.Path;
  30 import java.nio.file.Paths;
  31 
  32 import com.oracle.java.testlibrary.OutputAnalyzer;
  33 import com.oracle.java.testlibrary.dcmd.CommandExecutor;
  34 import com.oracle.java.testlibrary.dcmd.JMXExecutor;
  35 
  36 /*
  37  * @test
  38  * @summary Test of diagnostic command GC.run
  39  * @library /testlibrary
  40  * @build com.oracle.java.testlibrary.*
  41  * @build com.oracle.java.testlibrary.dcmd.*
  42  * @run testng/othervm -XX:+PrintGCDetails -Xloggc:RunGC.gclog RunGCTest
  43  */
  44 public class RunGCTest {
  45     public void run(CommandExecutor executor) {
  46         executor.execute("GC.run");
  47 
  48         Path gcLogPath = Paths.get("RunGC.gclog").toAbsolutePath();
  49         String gcLog = null;
  50 
  51         try {
  52             gcLog = new String(Files.readAllBytes(gcLogPath));
  53         } catch (IOException e) {
  54             Assert.fail("Test error: Could not read GC log file: " + gcLogPath, e);
  55         }
  56 
  57         OutputAnalyzer output = new OutputAnalyzer(gcLog, "");
  58         output.shouldMatch(".*\\[Full GC \\(System(\\.gc\\(\\))?.*");
  59     }
  60 
  61     @Test
  62     public void jmx() {
  63         run(new JMXExecutor());
  64     }
  65 }