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         // verify that option could be turned on
  55         CommandLineOptionTest.verifySameJVMStartup(
  56                 null, null, ExitCode.OK, "-XX:+UseRTMDeopt");
  57         // verify that option could be turned off
  58         CommandLineOptionTest.verifySameJVMStartup(
  59                 null, null, ExitCode.OK, "-XX:-UseRTMDeopt");
  60         // verify default value
  61         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  62                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
  63         // verify default value
  64         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  65                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  66                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  67                 "-XX:+UseRTMLocking");
  68         // verify that option is off when UseRTMLocking is off
  69         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "false",
  70                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  71                 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
  72         // verify that option could be turned on
  73         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
  74                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
  75                 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
  76     }
  77 
  78     public static void main(String args[]) throws Throwable {
  79         new TestUseRTMDeoptOptionOnSupportedConfig().test();
  80     }
  81 }