1 /*
   2  * Copyright (c) 2014, 2015, 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 /../../test/lib /compiler/testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  * @build TestUseRTMLockingOptionOnUnsupportedCPU
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnUnsupportedCPU
  38  */
  39 
  40 import jdk.test.lib.*;
  41 import jdk.test.lib.cli.*;
  42 import jdk.test.lib.cli.predicate.AndPredicate;
  43 import jdk.test.lib.cli.predicate.NotPredicate;
  44 import rtm.predicate.SupportedCPU;
  45 import rtm.predicate.SupportedVM;
  46 
  47 public class TestUseRTMLockingOptionOnUnsupportedCPU
  48         extends CommandLineOptionTest {
  49     private static final String DEFAULT_VALUE = "false";
  50 
  51     private TestUseRTMLockingOptionOnUnsupportedCPU() {
  52         super(new AndPredicate(new NotPredicate(new SupportedCPU()),
  53                 new SupportedVM()));
  54     }
  55 
  56     @Override
  57     public void runTestCases() throws Throwable {
  58         String unrecongnizedOption
  59                 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  60                 "UseRTMLocking");
  61         String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
  62 
  63         if (Platform.isX86() || Platform.isX64()) {
  64             String shouldFailMessage = "JVM startup should fail with option "
  65                     + "-XX:+UseRTMLocking on unsupported CPU";
  66             // verify that we get an error when use +UseRTMLocking
  67             // on unsupported CPU
  68             CommandLineOptionTest.verifySameJVMStartup(
  69                     new String[] { errorMessage },
  70                     new String[] { unrecongnizedOption }, shouldFailMessage,
  71                     shouldFailMessage + ". Error message should be shown",
  72                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  73 
  74             String shouldPassMessage = "JVM startup should pass with option "
  75                     + "-XX:-UseRTMLocking even on unsupported CPU";
  76             // verify that we can pass -UseRTMLocking without
  77             // getting any error messages
  78             CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  79                     errorMessage, unrecongnizedOption }, shouldPassMessage,
  80                     shouldPassMessage + " without any warnings", ExitCode.OK,
  81                     "-XX:-UseRTMLocking");
  82 
  83             // verify that UseRTMLocking is false by default
  84             CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  85                     TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
  86                     String.format("Default value of option 'UseRTMLocking' "
  87                         +"should be '%s'", DEFAULT_VALUE));
  88         } else {
  89             String shouldFailMessage = "RTMLocking should be unrecognized"
  90                     + " on non-x86 CPUs. JVM startup should fail."
  91                     + "Error message should be shown";
  92             // verify that on non-x86 CPUs RTMLocking could not be used
  93             CommandLineOptionTest.verifySameJVMStartup(
  94                     new String[] { unrecongnizedOption },
  95                     null, shouldFailMessage, shouldFailMessage,
  96                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  97 
  98             CommandLineOptionTest.verifySameJVMStartup(
  99                     new String[] { unrecongnizedOption },
 100                     null, shouldFailMessage, shouldFailMessage,
 101                     ExitCode.FAIL, "-XX:-UseRTMLocking");
 102         }
 103     }
 104 
 105     public static void main(String args[]) throws Throwable {
 106         new TestUseRTMLockingOptionOnUnsupportedCPU().test();
 107     }
 108 }