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 ClassFileInstaller sun.hotspot.WhiteBox
  33  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  34  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnUnsupportedCPU
  35  */
  36 
  37 import com.oracle.java.testlibrary.*;
  38 import com.oracle.java.testlibrary.cli.*;
  39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  40 import com.oracle.java.testlibrary.cli.predicate.NotPredicate;
  41 import rtm.predicate.SupportedCPU;
  42 import rtm.predicate.SupportedVM;
  43 
  44 public class TestUseRTMLockingOptionOnUnsupportedCPU
  45         extends CommandLineOptionTest {
  46     private static final String DEFAULT_VALUE = "false";
  47 
  48     private TestUseRTMLockingOptionOnUnsupportedCPU() {
  49         super(new AndPredicate(new NotPredicate(new SupportedCPU()),
  50                 new SupportedVM()));
  51     }
  52 
  53     @Override
  54     public void runTestCases() throws Throwable {
  55         String unrecongnizedOption
  56                 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  57                 "UseRTMLocking");
  58         String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
  59 
  60         if (Platform.isX86() || Platform.isX64()) {
  61             // verify that we get an error when use +UseRTMLocking
  62             // on unsupported CPU
  63             CommandLineOptionTest.verifySameJVMStartup(
  64                     new String[] { errorMessage },
  65                     new String[] { unrecongnizedOption },
  66                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  67             // verify that we can pass -UseRTMLocking without
  68             // getting any error messages
  69             CommandLineOptionTest.verifySameJVMStartup(
  70                     null,
  71                     new String[]{
  72                             errorMessage,
  73                             unrecongnizedOption
  74                     }, ExitCode.OK, "-XX:-UseRTMLocking");
  75 
  76             // verify that UseRTMLocking is false by default
  77             CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  78                     TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE);
  79         } else {
  80             // verify that on non-x86 CPUs RTMLocking could not be used
  81             CommandLineOptionTest.verifySameJVMStartup(
  82                     new String[] { unrecongnizedOption },
  83                     null, ExitCode.FAIL, "-XX:+UseRTMLocking");
  84 
  85             CommandLineOptionTest.verifySameJVMStartup(
  86                     new String[] { unrecongnizedOption },
  87                     null, ExitCode.FAIL, "-XX:-UseRTMLocking");
  88         }
  89     }
  90 
  91     public static void main(String args[]) throws Throwable {
  92         new TestUseRTMLockingOptionOnUnsupportedCPU().test();
  93     }
  94 }