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 UseRTMLocking option processing on CPU without
  29  *          rtm support.
  30  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  31  * @build TestUseRTMLockingOptionOnUnsupportedCPU
  32  * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions
  33  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnUnsupportedCPU
  34  */
  35 
  36 import com.oracle.java.testlibrary.*;
  37 import com.oracle.java.testlibrary.cli.*;
  38 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  39 import com.oracle.java.testlibrary.cli.predicate.NotPredicate;
  40 import rtm.predicate.SupportedCPU;
  41 import rtm.predicate.SupportedVM;
  42 
  43 public class TestUseRTMLockingOptionOnUnsupportedCPU
  44         extends CommandLineOptionTest {
  45     private static final String DEFAULT_VALUE = "false";
  46 
  47     private TestUseRTMLockingOptionOnUnsupportedCPU() {
  48         super(new AndPredicate(new NotPredicate(new SupportedCPU()),
  49                 new SupportedVM()));
  50     }
  51 
  52     @Override
  53     public void runTestCases() throws Throwable {
  54         String unrecongnizedOption
  55                 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  56                 "UseRTMLocking");
  57         String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
  58 
  59         if (Platform.isX86() || Platform.isX64()) {
  60             // verify that we get an error when use +UseRTMLocking
  61             // on unsupported CPU
  62             CommandLineOptionTest.verifySameJVMStartup(
  63                     new String[] { errorMessage },
  64                     new String[] { unrecongnizedOption },
  65                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  66             // verify that we can pass -UseRTMLocking without
  67             // getting any error messages
  68             CommandLineOptionTest.verifySameJVMStartup(
  69                     null,
  70                     new String[]{
  71                             errorMessage,
  72                             unrecongnizedOption
  73                     }, ExitCode.OK, "-XX:-UseRTMLocking");
  74 
  75             // verify that UseRTMLocking is false by default
  76             CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  77                     TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE);
  78         } else {
  79             // verify that on non-x86 CPUs RTMLocking could not be used
  80             CommandLineOptionTest.verifySameJVMStartup(
  81                     new String[] { unrecongnizedOption },
  82                     null, ExitCode.FAIL, "-XX:+UseRTMLocking");
  83 
  84             CommandLineOptionTest.verifySameJVMStartup(
  85                     new String[] { unrecongnizedOption },
  86                     null, ExitCode.FAIL, "-XX:-UseRTMLocking");
  87         }
  88     }
  89 
  90     public static void main(String args[]) throws Throwable {
  91         new TestUseRTMLockingOptionOnUnsupportedCPU().test();
  92     }
  93 }