test/compiler/rtm/cli/TestUseRTMDeoptOptionOnSupportedConfig.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
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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 with rtm support
 *          when rtm locking is supported by VM.
 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
 * @build TestUseRTMDeoptOptionOnSupportedConfig
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI TestUseRTMDeoptOptionOnSupportedConfig
 */

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

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

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

    @Override
    public void runTestCases() throws Throwable {
        // verify that option could be turned on
        CommandLineOptionTest.verifySameJVMStartup(
                null, null, ExitCode.OK, "-XX:+UseRTMDeopt");
        // verify that option could be turned off
        CommandLineOptionTest.verifySameJVMStartup(
                null, null, ExitCode.OK, "-XX:-UseRTMDeopt");
        // verify default value
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
                TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
        // verify default value
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
                TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:+UseRTMLocking");
        // verify that option is off when UseRTMLocking is off
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "false",
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
        // verify that option could be turned on
        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
    }

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