1 /*
   2  * Copyright (c) 2014, 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
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  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
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  23 
  24 /* @test TestVerifySilently.java
  25  * @key gc
  26  * @bug 8032771
  27  * @summary Test silent verification.
  28  * @library /testlibrary
  29  * @modules java.base/sun.misc
  30  *          java.management
  31  */
  32 
  33 import jdk.test.lib.OutputAnalyzer;
  34 import jdk.test.lib.ProcessTools;
  35 import java.util.ArrayList;
  36 import java.util.Collections;
  37 
  38 class RunSystemGC {
  39   public static void main(String args[]) throws Exception {
  40     System.gc();
  41   }
  42 }
  43 
  44 
  45 public class TestVerifySilently {
  46   private static String[] getTestJavaOpts() {
  47     String testVmOptsStr = System.getProperty("test.java.opts");
  48     if (!testVmOptsStr.isEmpty()) {
  49       return testVmOptsStr.split(" ");
  50     } else {
  51       return new String[] {};
  52     }
  53   }
  54 
  55   private static OutputAnalyzer runTest(boolean verifySilently) throws Exception {
  56     ArrayList<String> vmOpts = new ArrayList();
  57 
  58     Collections.addAll(vmOpts, getTestJavaOpts());
  59     Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions",
  60                                              "-XX:+VerifyDuringStartup",
  61                                              "-XX:+VerifyBeforeGC",
  62                                              "-XX:+VerifyAfterGC",
  63                                              (verifySilently ? "-Xlog:gc":"-Xlog:gc+verify=debug"),
  64                                              RunSystemGC.class.getName()});
  65     ProcessBuilder pb =
  66       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  67     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  68 
  69     System.out.println("Output:\n" + output.getOutput());
  70     return output;
  71   }
  72 
  73 
  74   public static void main(String args[]) throws Exception {
  75 
  76     OutputAnalyzer output;
  77 
  78     output = runTest(false);
  79     output.shouldContain("Verifying");
  80     output.shouldHaveExitValue(0);
  81 
  82     output = runTest(true);
  83     output.shouldNotContain("Verifying");
  84     output.shouldHaveExitValue(0);
  85   }
  86 }