Exception cause = new RuntimeException("Connection timeout");
        LdapOperationException exception = new LdapOperationException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Connection timeout", exception.getCause().getMessage());
    }

    @Test

      lastUnit = unit;
      return null;
    }

    // No need to test these methods as they are handled by WrappingExecutorServiceTest
    @Override
    public boolean awaitTermination(long timeout, TimeUnit unit) {
      throw new UnsupportedOperationException();
    }

    @Override
    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
        throws InterruptedException {

        // ## Assert ##
        assertNotNull(request);
    }

    // --- Timeout API tests ---

    @Test
    public void test_TimeoutDefaults() {
        // ## Arrange ##
        final CurlRequest request = new CurlRequest(Method.GET, "http://example.com");

        // ## Assert ##
        // Default timeout values should be -1 (not set)
        assertEquals(-1, request.connectTimeout);

     * @param priority The priority.
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**
     * Sets the request timeout.
     * @param bulkRequestTimeout The request timeout.
     */
    public void setRequestTimeout(final String bulkRequestTimeout) {
        requestTimeout = bulkRequestTimeout;
    }

    /**
     * Sets the request cache size.

     * @throws CancellationException {@inheritDoc}
     */
    @CanIgnoreReturnValue
    @Override
    public V get(long timeout, TimeUnit unit)
        throws InterruptedException, TimeoutException, ExecutionException {
      return sync.get(unit.toNanos(timeout));
    }

    /*
     * Improve the documentation of when InterruptedException is thrown. Our

    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  @Override
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    try {
      super.get(timeout, unit);
    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  public boolean isTerminated() {
    synchronized (lock) {
      return shutdown && runningTasks == 0;
    }
  }

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    long nanos = unit.toNanos(timeout);
    synchronized (lock) {
      while (true) {
        if (shutdown && runningTasks == 0) {
          return true;
        } else if (nanos <= 0) {
          return false;

     */
    void error();

    /**
     * Gets the expiration time for this response.
     *
     * @return the message timeout
     */
    Long getExpiration();

    /**
     * Sets the expiration time for this response.
     *
     * @param exp the message timeout to set
     */
    void setExpiration(Long exp);

    /**
     * Resets this response to its initial state.
     */

    /**
     * Receive data using RDMA
     *
     * @param timeout timeout in milliseconds
     * @return received data buffer, or null if timeout
     * @throws IOException if receive fails
     */
    public abstract ByteBuffer receive(int timeout) throws IOException;

    /**
     * Perform RDMA read operation
     *

import java.util.concurrent.atomic.AtomicBoolean;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;

/**
 * Unit tests for ResourceManager
 */
public class ResourceManagerTest {

    private ResourceManager resourceManager;

    @BeforeEach
    void setUp() {