1 /*
   2  * Copyright (c) 2014, 2016, 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 /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  */
  31 
  32 import jdk.test.lib.process.ProcessTools;
  33 import jdk.test.lib.process.OutputAnalyzer;
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 import jdk.test.lib.Utils;
  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 
  47   private static OutputAnalyzer runTest(boolean verifySilently) throws Exception {
  48     ArrayList<String> vmOpts = new ArrayList();
  49 
  50     Collections.addAll(vmOpts, Utils.getFilteredTestJavaOpts("-Xlog.*"));
  51     Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions",
  52                                              "-XX:+VerifyDuringStartup",
  53                                              "-XX:+VerifyBeforeGC",
  54                                              "-XX:+VerifyAfterGC",
  55                                              (verifySilently ? "-Xlog:gc":"-Xlog:gc+verify=debug"),
  56                                              RunSystemGC.class.getName()});
  57     ProcessBuilder pb =
  58       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  59     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  60 
  61     System.out.println("Output:\n" + output.getOutput());
  62     return output;
  63   }
  64 
  65 
  66   public static void main(String args[]) throws Exception {
  67 
  68     OutputAnalyzer output;
  69 
  70     output = runTest(false);
  71     output.shouldContain("Verifying");
  72     output.shouldHaveExitValue(0);
  73 
  74     output = runTest(true);
  75     output.shouldNotContain("Verifying");
  76     output.shouldHaveExitValue(0);
  77   }
  78 }