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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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/**
 * @test
 * @bug 8031320
 * @summary Verify UseRTMDeopt option processing on CPUs without rtm support
 *          or on VMs without rtm locking support.
 * @library /testlibrary /test/lib /compiler/testlibrary
 * @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();
    }
}