/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

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

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

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

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/**

 * @test

 * @bug 8031320

 * @summary Verify processing of UseRTMLocking and UseBiasedLocking

 *          options combination on CPU and VM with rtm support.

 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary

 * @build TestUseRTMLockingOptionWithBiasedLocking

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

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

 *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionWithBiasedLocking

 */

import com.oracle.java.testlibrary.*;

import com.oracle.java.testlibrary.cli.*;

import com.oracle.java.testlibrary.cli.predicate.AndPredicate;

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

public class TestUseRTMLockingOptionWithBiasedLocking

        extends CommandLineOptionTest {

    private TestUseRTMLockingOptionWithBiasedLocking() {

        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));

    }

    @Override

    public void runTestCases() throws Throwable {

        String warningMessage

                = RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING;

        // verify that we will not get a warning

        CommandLineOptionTest.verifySameJVMStartup(null,

                new String[] { warningMessage }, ExitCode.OK,

                "-XX:+UseRTMLocking", "-XX:-UseBiasedLocking");

        // verify that we will get a warning

        CommandLineOptionTest.verifySameJVMStartup(

                new String[] { warningMessage }, null, ExitCode.OK,

                "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");

        // verify that UseBiasedLocking is false when we use rtm locking

        CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",

                "false", "-XX:+UseRTMLocking");

        // verify that we can't turn on biased locking when

        // using rtm locking

        CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",

                "false", "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");

    }

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

        new TestUseRTMLockingOptionWithBiasedLocking().test();

    }

}