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 UseRTMDeopt option processing on CPUs without rtm support
  29  *          or on VMs without rtm locking support.
  30  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  31  * @build TestUseRTMDeoptOptionOnUnsupportedConfig
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnUnsupportedConfig
  36  */
  37 
  38 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  39 
  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 TestUseRTMDeoptOptionOnUnsupportedConfig
  46         extends RTMGenericCommandLineOptionTest {
  47     private static final String DEFAULT_VALUE = "false";
  48 
  49     private TestUseRTMDeoptOptionOnUnsupportedConfig() {
  50         super(new NotPredicate(new AndPredicate(new SupportedCPU(),
  51                         new SupportedVM())),
  52                 "UseRTMDeopt", true, false,
  53                 TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE,
  54                 "true");
  55     }
  56 
  57     @Override
  58     protected void runX86SupportedVMTestCases() throws Throwable {
  59         super.verifyJVMStartup();
  60         // verify default value
  61         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
  62                 defaultValue, String.format("'%s' should have '%s' "
  63                         + "default value on unsupported configs.",
  64                         optionName, DEFAULT_VALUE)); 
  65         // verify that until RTMLocking is not used, value
  66         // will be set to default false.
  67         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
  68                 defaultValue, String.format("'%s' should be off on unsupported"
  69                         + " configs even if '-XX:+%s' flag set", optionName,
  70                         optionName),
  71                 "-XX:+UseRTMDeopt");
  72     }
  73 
  74     public static void main(String args[]) throws Throwable {
  75         new TestUseRTMDeoptOptionOnUnsupportedConfig().test();
  76     }
  77 }