1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  23 
  24 /**
  25  * @test
  26  * @bug 8031320
  27  * @summary Verify UseRTMLocking option processing on CPU without
  28  *          rtm support.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires (!vm.rtm.cpu) & (vm.flavor == "server" & !vm.emulatedClient)
  33  * @build sun.hotspot.WhiteBox
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI
  38  *                   compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
  39  */
  40 
  41 package compiler.rtm.cli;
  42 
  43 import jdk.test.lib.process.ExitCode;
  44 import jdk.test.lib.Platform;
  45 import jdk.test.lib.cli.CommandLineOptionTest;
  46 
  47 public class TestUseRTMLockingOptionOnUnsupportedCPU {
  48     private static final String DEFAULT_VALUE = "false";
  49 
  50     public void runTestCases() throws Throwable {
  51         String unrecongnizedOption
  52                 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
  53                 "UseRTMLocking");
  54         String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
  55 
  56         if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
  57             String shouldFailMessage = "JVM startup should fail with option "
  58                     + "-XX:+UseRTMLocking on unsupported CPU";
  59             // verify that we get an error when use +UseRTMLocking
  60             // on unsupported CPU
  61             CommandLineOptionTest.verifySameJVMStartup(
  62                     new String[] { errorMessage },
  63                     new String[] { unrecongnizedOption }, shouldFailMessage,
  64                     shouldFailMessage + ". Error message should be shown",
  65                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  66 
  67             String shouldPassMessage = "JVM startup should pass with option "
  68                     + "-XX:-UseRTMLocking even on unsupported CPU";
  69             // verify that we can pass -UseRTMLocking without
  70             // getting any error messages
  71             CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  72                     errorMessage, unrecongnizedOption }, shouldPassMessage,
  73                     shouldPassMessage + " without any warnings", ExitCode.OK,
  74                     "-XX:-UseRTMLocking");
  75 
  76             // verify that UseRTMLocking is false by default
  77             CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
  78                     TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
  79                     String.format("Default value of option 'UseRTMLocking' "
  80                         +"should be '%s'", DEFAULT_VALUE));
  81         } else {
  82             String shouldFailMessage = "RTMLocking should be unrecognized"
  83                     + " on non-x86 CPUs. JVM startup should fail."
  84                     + "Error message should be shown";
  85             // verify that on non-x86 CPUs RTMLocking could not be used
  86             CommandLineOptionTest.verifySameJVMStartup(
  87                     new String[] { unrecongnizedOption },
  88                     null, shouldFailMessage, shouldFailMessage,
  89                     ExitCode.FAIL, "-XX:+UseRTMLocking");
  90 
  91             CommandLineOptionTest.verifySameJVMStartup(
  92                     new String[] { unrecongnizedOption },
  93                     null, shouldFailMessage, shouldFailMessage,
  94                     ExitCode.FAIL, "-XX:-UseRTMLocking");
  95         }
  96     }
  97 
  98     public static void main(String args[]) throws Throwable {
  99         new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases();
 100     }
 101 }