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
  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 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify UseRTMLocking option processing on CPU with rtm support
  29  *          in case when VM should not support this option.
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build TestUseRTMLockingOptionOnUnsupportedVM
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnUnsupportedVM
  38  */
  39 
  40 import jdk.test.lib.ExitCode;
  41 import jdk.test.lib.cli.*;
  42 import jdk.test.lib.cli.predicate.AndPredicate;
  43 import jdk.test.lib.cli.predicate.NotPredicate;
  44 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  45 import compiler.testlibrary.rtm.predicate.SupportedVM;
  46 
  47 public class TestUseRTMLockingOptionOnUnsupportedVM
  48         extends CommandLineOptionTest {
  49     private static final String DEFAULT_VALUE = "false";
  50 
  51     private TestUseRTMLockingOptionOnUnsupportedVM() {
  52         super(new AndPredicate(new SupportedCPU(),
  53                 new NotPredicate(new SupportedVM())));
  54     }
  55     @Override
  56     public void runTestCases() throws Throwable {
  57         String errorMessage
  58                 = RTMGenericCommandLineOptionTest.RTM_UNSUPPORTED_VM_ERROR;
  59         String shouldFailMessage = "JVM startup should fail with option "
  60                 + "-XX:+UseRTMLocking even on unsupported VM. Error message"
  61                 + " should be shown";
  62         String shouldPassMessage = "JVM startup should pass with option "
  63                 + "-XX:-UseRTMLocking even on unsupported VM";
  64         // verify that we can't use +UseRTMLocking
  65         CommandLineOptionTest.verifySameJVMStartup(
  66                 new String[] { errorMessage }, null, shouldFailMessage,
  67                 shouldFailMessage, ExitCode.FAIL,
  68                  "-XX:+UseRTMLocking");
  69         // verify that we can turn it off
  70         CommandLineOptionTest.verifySameJVMStartup(null,
  71                 new String[] { errorMessage }, shouldPassMessage,
  72                 shouldPassMessage + " without any warnings", ExitCode.OK,
  73                 "-XX:-UseRTMLocking");
  74         // verify that it is off by default
  75         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  76                 TestUseRTMLockingOptionOnUnsupportedVM.DEFAULT_VALUE,
  77                 String.format("Default value of option 'UseRTMLocking' should"
  78                     + " be '%s'", DEFAULT_VALUE));
  79     }
  80 
  81     public static void main(String args[]) throws Throwable {
  82         new TestUseRTMLockingOptionOnUnsupportedVM().test();
  83     }
  84 }