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  * @test
  26  * @bug 8031320
  27  * @summary Verify UseRTMDeopt option processing on CPUs with rtm support
  28  *          when rtm locking is supported by VM.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os
  33  * @build sun.hotspot.WhiteBox
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI
  38  *                   compiler.rtm.cli.TestUseRTMDeoptOptionOnSupportedConfig
  39  */
  40 
  41 package compiler.rtm.cli;
  42 
  43 import jdk.test.lib.process.ExitCode;
  44 import jdk.test.lib.cli.CommandLineOptionTest;
  45 
  46 public class TestUseRTMDeoptOptionOnSupportedConfig {
  47     private static final String DEFAULT_VALUE = "false";
  48 
  49     public void runTestCases() throws Throwable {
  50         String shouldPassMessage = " JVM should startup with option '"
  51                 + "-XX:+UseRTMDeopt' without any warnings";
  52         // verify that option could be turned on
  53         CommandLineOptionTest.verifySameJVMStartup(
  54                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  55                 "-XX:+UseRTMDeopt");
  56         shouldPassMessage = " JVM should startup with option '"
  57                 + "-XX:-UseRTMDeopt' without any warnings";
  58         // verify that option could be turned off
  59         CommandLineOptionTest.verifySameJVMStartup(
  60                 null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  61                 "-XX:-UseRTMDeopt");
  62         String defValMessage = String.format("UseRTMDeopt should have '%s'"
  63                                     + "default value",
  64                         TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
  65         // verify default value
  66         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  67                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  68                 defValMessage);
  69         // verify default value
  70         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  71                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  72                 defValMessage,
  73                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  74                 "-XX:+UseRTMLocking");
  75         // verify that option is off when UseRTMLocking is off
  76         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  77                 "false", "UseRTMDeopt should be off when UseRTMLocking is off",
  78                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  79                 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
  80         // verify that option could be turned on
  81         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
  82                 "UseRTMDeopt should be on when UseRTMLocking is on and "
  83                         + "'-XX:+UseRTMDeopt' flag set",
  84                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  85                 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
  86     }
  87 
  88     public static void main(String args[]) throws Throwable {
  89         new TestUseRTMDeoptOptionOnSupportedConfig().runTestCases();
  90     }
  91 }