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         String experimentalOptionError
  57                 = CommandLineOptionTest.getExperimentalOptionErrorMessage(
  58                 "UseRTMLocking");
  59         // verify that options is experimental
  60         CommandLineOptionTest.verifySameJVMStartup(
  61                 new String[] { experimentalOptionError }, null, ExitCode.FAIL,
  62                 "-XX:+UseRTMLocking");
  63         // verify that there are no warning or error in VM output
  64         CommandLineOptionTest.verifySameJVMStartup(null,
  65                 new String[]{
  66                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  67                         unrecongnizedOption
  68                 }, ExitCode.OK,
  69                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  70                 "-XX:+UseRTMLocking");
  71 
  72         CommandLineOptionTest.verifySameJVMStartup(null,
  73                 new String[]{
  74                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  75                         unrecongnizedOption
  76                 }, ExitCode.OK,
  77                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  78                 "-XX:-UseRTMLocking");
  79         // verify that UseRTMLocking is of by default
  80         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  81                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  82                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
  83         // verify that we can change UseRTMLocking value
  84         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  85                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  86                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  87                 "-XX:-UseRTMLocking");
  88         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  89                 "true", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  90                 "-XX:+UseRTMLocking");
  91     }
  92 
  93     public static void main(String args[]) throws Throwable {
  94         new TestUseRTMLockingOptionOnSupportedConfig().test();
  95     }
  96 }