* - Lock-free atomic operations
 * - Configurable thresholds and timeouts
 * - No complex dependencies
 */
public class SimpleCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation
        OPEN, // Failing, requests blocked

import org.junit.jupiter.api.RepeatedTest;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for SimpleCircuitBreaker
 */
public class SimpleCircuitBreakerTest {

    private SimpleCircuitBreaker circuitBreaker;

    @BeforeEach
    void setUp() {
        circuitBreaker = new SimpleCircuitBreaker("test", 3, 2, 100);
    }

    @Test
    @DisplayName("Test initial state is CLOSED")

import jcifs.netbios.NbtException;
import jcifs.netbios.SessionRequestPacket;
import jcifs.netbios.SessionServicePacket;
import jcifs.util.Crypto;
import jcifs.util.Encdec;
import jcifs.util.Hexdump;
import jcifs.util.SimpleCircuitBreaker;
import jcifs.util.transport.Request;
import jcifs.util.transport.Response;
import jcifs.util.transport.Transport;
import jcifs.util.transport.TransportException;

/**
 *
 */