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 /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  *
  34  * @build compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
  35  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  36  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                   -XX:+WhiteBoxAPI
  39  *                   compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
  40  */
  41 
  42 package compiler.rtm.cli;
  43 
  44 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  45 import compiler.testlibrary.rtm.predicate.SupportedVM;
  46 import jdk.test.lib.ExitCode;
  47 import jdk.test.lib.Platform;
  48 import jdk.test.lib.cli.CommandLineOptionTest;
  49 import jdk.test.lib.cli.predicate.AndPredicate;
  50 import jdk.test.lib.cli.predicate.NotPredicate;
  51 
  52 public class TestUseRTMLockingOptionOnUnsupportedCPU
  53         extends CommandLineOptionTest {
  54     private static final String DEFAULT_VALUE = "false";
  55 
  56     private TestUseRTMLockingOptionOnUnsupportedCPU() {
  57         super(new AndPredicate(new NotPredicate(new SupportedCPU()),
  58                 new SupportedVM()));
  59     }
  60 
  61     @Override
  62     public void runTestCases() throws Throwable {
  63         String unrecongnizedOption
  64                 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  65                 "UseRTMLocking");
  66         String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
  67 
  68         if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
  69             String shouldFailMessage = "JVM startup should fail with option "
  70                     + "-XX:+UseRTMLocking on unsupported CPU";
  71             // verify that we get an error when use +UseRTMLocking
  72             // on unsupported CPU
  73             CommandLineOptionTest.verifySameJVMStartup(
  74                     new String[] { errorMessage },
  75                     new String[] { unrecongnizedOption }, shouldFailMessage,
  76                     shouldFailMessage + ". Error message should be shown",
  77                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  78 
  79             String shouldPassMessage = "JVM startup should pass with option "
  80                     + "-XX:-UseRTMLocking even on unsupported CPU";
  81             // verify that we can pass -UseRTMLocking without
  82             // getting any error messages
  83             CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  84                     errorMessage, unrecongnizedOption }, shouldPassMessage,
  85                     shouldPassMessage + " without any warnings", ExitCode.OK,
  86                     "-XX:-UseRTMLocking");
  87 
  88             // verify that UseRTMLocking is false by default
  89             CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  90                     TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
  91                     String.format("Default value of option 'UseRTMLocking' "
  92                         +"should be '%s'", DEFAULT_VALUE));
  93         } else {
  94             String shouldFailMessage = "RTMLocking should be unrecognized"
  95                     + " on non-x86 CPUs. JVM startup should fail."
  96                     + "Error message should be shown";
  97             // verify that on non-x86 CPUs RTMLocking could not be used
  98             CommandLineOptionTest.verifySameJVMStartup(
  99                     new String[] { unrecongnizedOption },
 100                     null, shouldFailMessage, shouldFailMessage,
 101                     ExitCode.FAIL, "-XX:+UseRTMLocking");
 102 
 103             CommandLineOptionTest.verifySameJVMStartup(
 104                     new String[] { unrecongnizedOption },
 105                     null, shouldFailMessage, shouldFailMessage,
 106                     ExitCode.FAIL, "-XX:-UseRTMLocking");
 107         }
 108     }
 109 
 110     public static void main(String args[]) throws Throwable {
 111         new TestUseRTMLockingOptionOnUnsupportedCPU().test();
 112     }
 113 }