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
  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 /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  *
  34  * @build sun.hotspot.WhiteBox
  35  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  36  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                   -XX:+WhiteBoxAPI
  39  *                   compiler.rtm.cli.TestUseRTMLockingOptionOnSupportedConfig
  40  */
  41 
  42 package compiler.rtm.cli;
  43 
  44 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  45 import compiler.testlibrary.rtm.predicate.SupportedOS;
  46 import compiler.testlibrary.rtm.predicate.SupportedVM;
  47 import jdk.test.lib.process.ExitCode;
  48 import jdk.test.lib.cli.CommandLineOptionTest;
  49 import jdk.test.lib.cli.predicate.AndPredicate;
  50 
  51 public class TestUseRTMLockingOptionOnSupportedConfig
  52         extends CommandLineOptionTest {
  53     private static final String DEFAULT_VALUE = "false";
  54 
  55     private TestUseRTMLockingOptionOnSupportedConfig() {
  56         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  57     }
  58 
  59     @Override
  60     public void runTestCases() throws Throwable {
  61         String unrecongnizedOption
  62                 =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  63                 "UseRTMLocking");
  64         String shouldPassMessage = "VM option 'UseRTMLocking' is experimental"
  65                 + "%nJVM startup should pass with "
  66                 + "-XX:+UnlockExperimentalVMOptions flag";
  67         // verify that there are no warning or error in VM output
  68         CommandLineOptionTest.verifySameJVMStartup(null,
  69                 new String[]{
  70                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  71                         unrecongnizedOption
  72                 }, shouldPassMessage, "There should not be any warning when use"
  73                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  74                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  75                 "-XX:+UseRTMLocking"
  76         );
  77 
  78         CommandLineOptionTest.verifySameJVMStartup(null,
  79                 new String[]{
  80                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  81                         unrecongnizedOption
  82                 }, shouldPassMessage, "There should not be any warning when use"
  83                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  84                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  85                 "-XX:-UseRTMLocking"
  86         );
  87         // verify that UseRTMLocking is of by default
  88         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  89                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  90                 String.format("Default value of option 'UseRTMLocking' should "
  91                     + "be '%s'", DEFAULT_VALUE),
  92                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
  93         // verify that we can change UseRTMLocking value
  94         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  95                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  96                 String.format("Default value of option 'UseRTMLocking' should "
  97                     + "be '%s'", DEFAULT_VALUE),
  98                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  99                 "-XX:-UseRTMLocking");
 100         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
 101                 "true", "Value of 'UseRTMLocking' should be set "
 102                         + "to 'true' if -XX:+UseRTMLocking flag set",
 103                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
 104                 "-XX:+UseRTMLocking");
 105     }
 106 
 107     public static void main(String args[]) throws Throwable {
 108         new TestUseRTMLockingOptionOnSupportedConfig().test();
 109     }
 110 }