test/compiler/rtm/cli/TestUseRTMDeoptOptionOnUnsupportedConfig.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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 UseRTMDeopt option processing on CPUs without rtm support
 *          or on VMs without rtm locking support.
 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
 * @build TestUseRTMDeoptOptionOnUnsupportedConfig
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnUnsupportedConfig
 */

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

import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
import com.oracle.java.testlibrary.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);
        // verify that until RTMLocking is not used, value
        // will be set to default false.
        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
                defaultValue, "-XX:+UseRTMDeopt");
    }

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