/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * under the terms of the GNU General Public License version 2 only, as

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 *

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

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 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/**

 * @test

 * @bug 8031320

 * @summary Verify UseRTMDeopt option processing on CPUs without rtm support

 *          or on VMs without rtm locking support.

 * @modules java.base/sun.misc

 *          java.management

 * @build TestUseRTMDeoptOptionOnUnsupportedConfig

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

 *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnUnsupportedConfig

 */

import jdk.test.lib.cli.CommandLineOptionTest;

import jdk.test.lib.cli.predicate.AndPredicate;

import jdk.test.lib.cli.predicate.NotPredicate;

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

public class TestUseRTMDeoptOptionOnUnsupportedConfig

        extends RTMGenericCommandLineOptionTest {

    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMDeoptOptionOnUnsupportedConfig() {

        super(new NotPredicate(new AndPredicate(new SupportedCPU(),

                        new SupportedVM())),

                "UseRTMDeopt", true, false,

                TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE,

                "true");

    }

    @Override

    protected void runX86SupportedVMTestCases() throws Throwable {

        super.verifyJVMStartup();

        // verify default value

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

                defaultValue, String.format("'%s' should have '%s' "

                        + "default value on unsupported configs.",

                        optionName, DEFAULT_VALUE));

        // verify that until RTMLocking is not used, value

        // will be set to default false.

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

                defaultValue, String.format("'%s' should be off on unsupported"

                        + " configs even if '-XX:+%s' flag set", optionName,

                        optionName),

                "-XX:+UseRTMDeopt");

    }

    public static void main(String args[]) throws Throwable {

        new TestUseRTMDeoptOptionOnUnsupportedConfig().test();

    }

}