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
  31  * @build TestUseRTMDeoptOptionOnSupportedConfig
  32  * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions
  33  *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig
  34  */
  35 
  36 import com.oracle.java.testlibrary.ExitCode;
  37 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  38 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  39 import rtm.predicate.SupportedCPU;
  40 import rtm.predicate.SupportedVM;
  41 
  42 public class TestUseRTMDeoptOptionOnSupportedConfig
  43         extends CommandLineOptionTest {
  44     private static final String DEFAULT_VALUE = "false";
  45 
  46     private TestUseRTMDeoptOptionOnSupportedConfig() {
  47         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  48     }
  49 
  50     @Override
  51     public void runTestCases() throws Throwable {
  52         // verify that option could be turned on
  53         CommandLineOptionTest.verifySameJVMStartup(
  54                 null, null, ExitCode.OK, "-XX:+UseRTMDeopt");
  55         // verify that option could be turned off
  56         CommandLineOptionTest.verifySameJVMStartup(
  57                 null, null, ExitCode.OK, "-XX:-UseRTMDeopt");
  58         // verify default value
  59         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  60                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
  61         // verify default value
  62         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  63                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
  64                 "-XX:+UseRTMLocking");
  65         // verify that option is off when UseRTMLocking is off
  66         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  67                 "false", "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
  68         // verify that option could be turned on
  69         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
  70                 "true", "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
  71     }
  72 
  73     public static void main(String args[]) throws Throwable {
  74         new TestUseRTMDeoptOptionOnSupportedConfig().test();
  75     }
  76 }