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