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