TestUseRTMLockingOptionOnUnsupportedVM.java

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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.
 * @library /test/lib /
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @requires vm.flagless
 * @requires vm.rtm.cpu & !(vm.flavor == "server" & !vm.emulatedClient)
 * @run driver compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedVM
 */

package compiler.rtm.cli;

import jdk.test.lib.process.ExitCode;
import jdk.test.lib.cli.CommandLineOptionTest;

public class TestUseRTMLockingOptionOnUnsupportedVM {
    private static final String DEFAULT_VALUE = "false";

    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().runTestCases();
    }
}