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