TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig.java

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/**
 * @test
 * @bug 8031320
 * @summary Verify PrintPreciseRTMLockingStatistics on CPUs and OSs with
 *          rtm support and on VM with rtm locking support,
 * @library /test/lib /
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @requires vm.flagless
 * @requires vm.rtm.cpu & vm.rtm.compiler
 * @run driver compiler.rtm.cli.TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig
 */

package compiler.rtm.cli;

import jdk.test.lib.cli.CommandLineOptionTest;

public class TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig
        extends TestPrintPreciseRTMLockingStatisticsBase {

    @Override
    protected void verifyOptionValues() throws Throwable {
        super.verifyOptionValues();
        // verify default value
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
                TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,
                String.format("Option '%s' should have '%s' default value on"
                        + " supported CPU", optionName,
                TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE),
                CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:+UseRTMLocking");

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
                TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,
                String.format("Option '%s' should have '%s' default value on"
                        + " supported CPU when -XX:-UseRTMLocking flag set",
                        optionName,
                       TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE),
                CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:-UseRTMLocking", prepareOptionValue("true"));

        // verify that option could be turned on
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true",
                String.format("Option '%s' should have 'true' value when set "
                        + "on supported CPU and -XX:+UseRTMLocking flag set",
                        optionName),
                CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:+UseRTMLocking", prepareOptionValue("true"));
    }

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