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 UseRTMDeopt option processing on CPUs with rtm support
  29  *          when rtm locking is supported by VM.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  * @build TestUseRTMDeoptOptionOnSupportedConfig
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig
  38  */
  39 
  40 import jdk.test.lib.ExitCode;
  41 import jdk.test.lib.cli.CommandLineOptionTest;
  42 import jdk.test.lib.cli.predicate.AndPredicate;
  43 import rtm.predicate.SupportedCPU;
  44 import rtm.predicate.SupportedVM;
  45 
  46 public class TestUseRTMDeoptOptionOnSupportedConfig
  47         extends CommandLineOptionTest {
  48     private static final String DEFAULT_VALUE = "false";
  49 
  50     private TestUseRTMDeoptOptionOnSupportedConfig() {
  51         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  52     }
  53 
  54     @Override
  55     public void runTestCases() throws Throwable {
  56         String shouldPassMessage = " JVM should startup with option '"
  57                 + "-XX:+UseRTMDeopt' without any warnings";
  58         // verify that option could be turned on
  59         CommandLineOptionTest.verifySameJVMStartup(
  60                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  61                 "-XX:+UseRTMDeopt");
  62         shouldPassMessage = " JVM should startup with option '"
  63                 + "-XX:-UseRTMDeopt' without any warnings";
  64         // verify that option could be turned off
  65         CommandLineOptionTest.verifySameJVMStartup(
  66                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  67                 "-XX:-UseRTMDeopt");
  68         String defValMessage = String.format("UseRTMDeopt should have '%s'"
  69                                     + "default value",
  70                         TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
  71         // verify default value
  72         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  73                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  74                 defValMessage);
  75         // verify default value
  76         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  77                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  78                 defValMessage,
  79                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  80                 "-XX:+UseRTMLocking");
  81         // verify that option is off when UseRTMLocking is off
  82         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  83                 "false", "UseRTMDeopt should be off when UseRTMLocking is off",
  84                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  85                 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
  86         // verify that option could be turned on
  87         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
  88                 "UseRTMDeopt should be on when UseRTMLocking is on and "
  89                         + "'-XX:+UseRTMDeopt' flag set",
  90                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  91                 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
  92     }
  93 
  94     public static void main(String args[]) throws Throwable {
  95         new TestUseRTMDeoptOptionOnSupportedConfig().test();
  96     }
  97 }