jdk-24/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionOnSupportedConfig.java

/*
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

/**
 * @test
 * @bug 8031320
 * @summary Verify UseRTMLocking option processing on CPU with rtm support and
 *          on VM with rtm-locking support.
 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
 * @build TestUseRTMLockingOptionOnSupportedConfig
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnSupportedConfig
 */

import com.oracle.java.testlibrary.ExitCode;
import com.oracle.java.testlibrary.cli.*;
import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
import rtm.predicate.SupportedCPU;
import rtm.predicate.SupportedVM;

public class TestUseRTMLockingOptionOnSupportedConfig
        extends CommandLineOptionTest {
    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMLockingOptionOnSupportedConfig() {
        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
    }

    @Override
    public void runTestCases() throws Throwable {
        String unrecongnizedOption
                =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
                "UseRTMLocking");
        // verify that there are no warning or error in VM output
        CommandLineOptionTest.verifySameJVMStartup(null,
                new String[]{
                        RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
                        unrecongnizedOption
                }, ExitCode.OK, "-XX:+UseRTMLocking"
        );

        CommandLineOptionTest.verifySameJVMStartup(null,
                new String[]{
                        RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
                        unrecongnizedOption
                }, ExitCode.OK, "-XX:-UseRTMLocking"
        );
        // verify that UseRTMLocking is of by default
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE);
        // verify that we can change UseRTMLocking value
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
                "-XX:-UseRTMLocking");
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
                "true", "-XX:+UseRTMLocking");
    }

    public static void main(String args[]) throws Throwable {
        new TestUseRTMLockingOptionOnSupportedConfig().test();
    }
}