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/**

 * @test

 * @bug 8031320

 * @summary Verify UseRTMLocking option processing on CPU with rtm support

 *          in case when VM should not support this option.

 * @modules java.base/jdk.internal.misc

 *          java.management

 *

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                                sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI

 *                   compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedVM

 */

package compiler.rtm.cli;

import compiler.testlibrary.rtm.predicate.SupportedCPU;

import compiler.testlibrary.rtm.predicate.SupportedVM;

import jdk.test.lib.cli.CommandLineOptionTest;

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

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

public class TestUseRTMLockingOptionOnUnsupportedVM

        extends CommandLineOptionTest {

    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMLockingOptionOnUnsupportedVM() {

        super(new AndPredicate(new SupportedCPU(),

                new NotPredicate(new SupportedVM())));

    }

    @Override

    public void runTestCases() throws Throwable {

        String errorMessage

                = RTMGenericCommandLineOptionTest.RTM_UNSUPPORTED_VM_ERROR;

        String shouldFailMessage = "JVM startup should fail with option "

                + "-XX:+UseRTMLocking even on unsupported VM. Error message"

                + " should be shown";

        String shouldPassMessage = "JVM startup should pass with option "

                + "-XX:-UseRTMLocking even on unsupported VM";

        // verify that we can't use +UseRTMLocking

        CommandLineOptionTest.verifySameJVMStartup(

                new String[] { errorMessage }, null, shouldFailMessage,

                shouldFailMessage, ExitCode.FAIL,

                 "-XX:+UseRTMLocking");

        // verify that we can turn it off

        CommandLineOptionTest.verifySameJVMStartup(null,

                new String[] { errorMessage }, shouldPassMessage,

                shouldPassMessage + " without any warnings", ExitCode.OK,

                "-XX:-UseRTMLocking");

        // verify that it is off by default

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",

                TestUseRTMLockingOptionOnUnsupportedVM.DEFAULT_VALUE,

                String.format("Default value of option 'UseRTMLocking' should"

                    + " be '%s'", DEFAULT_VALUE));

    }

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

        new TestUseRTMLockingOptionOnUnsupportedVM().test();

    }

}