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