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 and
  29  *          on VM with rtm-locking support.
  30  * @library /testlibrary /test/lib /compiler/testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  * @build TestUseRTMLockingOptionOnSupportedConfig
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnSupportedConfig
  38  */
  39 
  40 import jdk.test.lib.ExitCode;
  41 import jdk.test.lib.cli.*;
  42 import jdk.test.lib.cli.predicate.AndPredicate;
  43 import rtm.predicate.SupportedCPU;
  44 import rtm.predicate.SupportedVM;
  45 
  46 public class TestUseRTMLockingOptionOnSupportedConfig
  47         extends CommandLineOptionTest {
  48     private static final String DEFAULT_VALUE = "false";
  49 
  50     private TestUseRTMLockingOptionOnSupportedConfig() {
  51         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  52     }
  53 
  54     @Override
  55     public void runTestCases() throws Throwable {
  56         String unrecongnizedOption
  57                 =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  58                 "UseRTMLocking");
  59         String shouldPassMessage = "VM option 'UseRTMLocking' is experimental"
  60                 + "%nJVM startup should pass with "
  61                 + "-XX:+UnlockExperimentalVMOptions flag";
  62         // verify that there are no warning or error in VM output
  63         CommandLineOptionTest.verifySameJVMStartup(null,
  64                 new String[]{
  65                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  66                         unrecongnizedOption
  67                 }, shouldPassMessage, "There should not be any warning when use"
  68                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  69                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  70                 "-XX:+UseRTMLocking"
  71         );
  72 
  73         CommandLineOptionTest.verifySameJVMStartup(null,
  74                 new String[]{
  75                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  76                         unrecongnizedOption
  77                 }, shouldPassMessage, "There should not be any warning when use"
  78                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  79                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  80                 "-XX:-UseRTMLocking"
  81         );
  82         // verify that UseRTMLocking is of by default
  83         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  84                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  85                 String.format("Default value of option 'UseRTMLocking' should "
  86                     + "be '%s'", DEFAULT_VALUE),
  87                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
  88         // verify that we can change UseRTMLocking value
  89         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  90                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  91                 String.format("Default value of option 'UseRTMLocking' should "
  92                     + "be '%s'", DEFAULT_VALUE),
  93                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  94                 "-XX:-UseRTMLocking");
  95         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  96                 "true", "Value of 'UseRTMLocking' should be set "
  97                         + "to 'true' if -XX:+UseRTMLocking flag set",
  98                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  99                 "-XX:+UseRTMLocking");
 100     }
 101 
 102     public static void main(String args[]) throws Throwable {
 103         new TestUseRTMLockingOptionOnSupportedConfig().test();
 104     }
 105 }