1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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  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).
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  23 
  24 /**
  25  * @test
  26  * @bug 8031320
  27  * @summary Verify UseRTMDeopt option processing on CPUs or OSs without rtm support
  28  *          or on VMs without rtm locking support.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires !vm.rtm.cpu & vm.rtm.compiler
  33  * @run driver compiler.rtm.cli.TestUseRTMDeoptOptionOnUnsupportedConfig
  34  */
  35 
  36 package compiler.rtm.cli;
  37 
  38 import jdk.test.lib.cli.CommandLineOptionTest;
  39 
  40 public class TestUseRTMDeoptOptionOnUnsupportedConfig
  41         extends RTMGenericCommandLineOptionTest {
  42     private static final String DEFAULT_VALUE = "false";
  43 
  44     private TestUseRTMDeoptOptionOnUnsupportedConfig() {
  45         super("UseRTMDeopt", true, false,
  46                 TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE,
  47                 "true");
  48     }
  49 
  50     @Override
  51     protected void runX86SupportedVMTestCases() throws Throwable {
  52         super.verifyJVMStartup();
  53         // verify default value
  54         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
  55                 defaultValue, String.format("'%s' should have '%s' "
  56                         + "default value on unsupported configs.",
  57                         optionName, DEFAULT_VALUE));
  58         // verify that until RTMLocking is not used, value
  59         // will be set to default false.
  60         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
  61                 defaultValue, String.format("'%s' should be off on unsupported"
  62                         + " configs even if '-XX:+%s' flag set", optionName,
  63                         optionName),
  64                 "-XX:+UseRTMDeopt");
  65     }
  66 
  67     public static void main(String args[]) throws Throwable {
  68         new TestUseRTMDeoptOptionOnUnsupportedConfig().runTestCases();
  69     }
  70 }