1 /*
   2  * Copyright (c) 2015, 2017, 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 jdk.test.lib.process.OutputAnalyzer;
  33 import jdk.test.lib.dcmd.CommandExecutor;
  34 import jdk.test.lib.dcmd.JMXExecutor;
  35 
  36 /*
  37  * @test
  38  * @summary Test of diagnostic command GC.run
  39  * @requires vm.gc != "Z"
  40  * @library /test/lib
  41  * @modules java.base/jdk.internal.misc
  42  *          java.compiler
  43  *          java.management
  44  *          jdk.internal.jvmstat/sun.jvmstat.monitor
  45  * @run testng/othervm -Xlog:gc=debug:RunGC.gclog -XX:-ExplicitGCInvokesConcurrent RunGCTest
  46  */
  47 public class RunGCTest {
  48     public void run(CommandExecutor executor) {
  49         executor.execute("GC.run");
  50 
  51         Path gcLogPath = Paths.get("RunGC.gclog").toAbsolutePath();
  52         String gcLog = null;
  53 
  54         try {
  55             gcLog = new String(Files.readAllBytes(gcLogPath));
  56         } catch (IOException e) {
  57             Assert.fail("Test error: Could not read GC log file: " + gcLogPath, e);
  58         }
  59 
  60         OutputAnalyzer output = new OutputAnalyzer(gcLog, "");
  61         output.shouldContain("Pause Full (Diagnostic Command)");
  62     }
  63 
  64     @Test
  65     public void jmx() {
  66         run(new JMXExecutor());
  67     }
  68 }