1 /*
   2  * Copyright (c) 2014, 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 /testlibrary/whitebox /compiler/testlibrary
  31  * @build TestUseRTMLockingOptionOnSupportedConfig
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  34  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnSupportedConfig
  35  */
  36 
  37 import com.oracle.java.testlibrary.ExitCode;
  38 import com.oracle.java.testlibrary.cli.*;
  39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  40 import rtm.predicate.SupportedCPU;
  41 import rtm.predicate.SupportedVM;
  42 
  43 public class TestUseRTMLockingOptionOnSupportedConfig
  44         extends CommandLineOptionTest {
  45     private static final String DEFAULT_VALUE = "false";
  46 
  47     private TestUseRTMLockingOptionOnSupportedConfig() {
  48         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  49     }
  50 
  51     @Override
  52     public void runTestCases() throws Throwable {
  53         String unrecongnizedOption
  54                 =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  55                 "UseRTMLocking");
  56         // verify that there are no warning or error in VM output
  57         CommandLineOptionTest.verifySameJVMStartup(null,
  58                 new String[]{
  59                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  60                         unrecongnizedOption
  61                 }, ExitCode.OK, "-XX:+UseRTMLocking"
  62         );
  63 
  64         CommandLineOptionTest.verifySameJVMStartup(null,
  65                 new String[]{
  66                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  67                         unrecongnizedOption
  68                 }, ExitCode.OK, "-XX:-UseRTMLocking"
  69         );
  70         // verify that UseRTMLocking is of by default
  71         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  72                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE);
  73         // verify that we can change UseRTMLocking value
  74         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  75                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  76                 "-XX:-UseRTMLocking");
  77         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  78                 "true", "-XX:+UseRTMLocking");
  79     }
  80 
  81     public static void main(String args[]) throws Throwable {
  82         new TestUseRTMLockingOptionOnSupportedConfig().test();
  83     }
  84 }