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 /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.SupportedVM;
  46 import jdk.test.lib.process.ExitCode;
  47 import jdk.test.lib.cli.CommandLineOptionTest;
  48 import jdk.test.lib.cli.predicate.AndPredicate;
  49 
  50 public class TestUseRTMLockingOptionOnSupportedConfig
  51         extends CommandLineOptionTest {
  52     private static final String DEFAULT_VALUE = "false";
  53 
  54     private TestUseRTMLockingOptionOnSupportedConfig() {
  55         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  56     }
  57 
  58     @Override
  59     public void runTestCases() throws Throwable {
  60         String unrecongnizedOption
  61                 =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  62                 "UseRTMLocking");
  63         String shouldPassMessage = "VM option 'UseRTMLocking' is experimental"
  64                 + "%nJVM startup should pass with "
  65                 + "-XX:+UnlockExperimentalVMOptions flag";
  66         // verify that there are no warning or error in VM output
  67         CommandLineOptionTest.verifySameJVMStartup(null,
  68                 new String[]{
  69                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  70                         unrecongnizedOption
  71                 }, shouldPassMessage, "There should not be any warning when use"
  72                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  73                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  74                 "-XX:+UseRTMLocking"
  75         );
  76 
  77         CommandLineOptionTest.verifySameJVMStartup(null,
  78                 new String[]{
  79                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
  80                         unrecongnizedOption
  81                 }, shouldPassMessage, "There should not be any warning when use"
  82                         + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
  83                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  84                 "-XX:-UseRTMLocking"
  85         );
  86         // verify that UseRTMLocking is of by default
  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         // verify that we can change UseRTMLocking value
  93         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  94                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
  95                 String.format("Default value of option 'UseRTMLocking' should "
  96                     + "be '%s'", DEFAULT_VALUE),
  97                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  98                 "-XX:-UseRTMLocking");
  99         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
 100                 "true", "Value of 'UseRTMLocking' should be set "
 101                         + "to 'true' if -XX:+UseRTMLocking flag set",
 102                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
 103                 "-XX:+UseRTMLocking");
 104     }
 105 
 106     public static void main(String args[]) throws Throwable {
 107         new TestUseRTMLockingOptionOnSupportedConfig().test();
 108     }
 109 }