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 UseRTMDeopt option processing on CPUs with rtm support
  29  *          when rtm locking is supported by VM.
  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.TestUseRTMDeoptOptionOnSupportedConfig
  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 TestUseRTMDeoptOptionOnSupportedConfig
  52         extends CommandLineOptionTest {
  53     private static final String DEFAULT_VALUE = "false";
  54 
  55     private TestUseRTMDeoptOptionOnSupportedConfig() {
  56         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  57     }
  58 
  59     @Override
  60     public void runTestCases() throws Throwable {
  61         String shouldPassMessage = " JVM should startup with option '"
  62                 + "-XX:+UseRTMDeopt' without any warnings";
  63         // verify that option could be turned on
  64         CommandLineOptionTest.verifySameJVMStartup(
  65                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  66                 "-XX:+UseRTMDeopt");
  67         shouldPassMessage = " JVM should startup with option '"
  68                 + "-XX:-UseRTMDeopt' without any warnings";
  69         // verify that option could be turned off
  70         CommandLineOptionTest.verifySameJVMStartup(
  71                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  72                 "-XX:-UseRTMDeopt");
  73         String defValMessage = String.format("UseRTMDeopt should have '%s'"
  74                                     + "default value",
  75                         TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
  76         // verify default value
  77         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  78                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  79                 defValMessage);
  80         // verify default value
  81         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  82                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  83                 defValMessage,
  84                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  85                 "-XX:+UseRTMLocking");
  86         // verify that option is off when UseRTMLocking is off
  87         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  88                 "false", "UseRTMDeopt should be off when UseRTMLocking is off",
  89                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  90                 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
  91         // verify that option could be turned on
  92         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
  93                 "UseRTMDeopt should be on when UseRTMLocking is on and "
  94                         + "'-XX:+UseRTMDeopt' flag set",
  95                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  96                 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
  97     }
  98 
  99     public static void main(String args[]) throws Throwable {
 100         new TestUseRTMDeoptOptionOnSupportedConfig().test();
 101     }
 102 }