String scope = "testScope";
        when(nameServiceClient.getNbtByName(host, type, scope)).thenThrow(new UnknownHostException("Host not found"));

        // Act & Assert
        assertThrows(UnknownHostException.class, () -> nameServiceClient.getNbtByName(host, type, scope));
        verify(nameServiceClient, times(1)).getNbtByName(host, type, scope);
    }

    @Test
    void testGetNbtByName_String() throws UnknownHostException {

Once a native speaker comes, reviews the PR, and approves it, the GitHub Action will come and remove the `awaiting-review` label, and add the `approved-1` label.

  }

  /**
   * Returns a hash code, having the same bit length as each of the input hash codes, that combines
   * the information of these hash codes in an ordered fashion. That is, whenever two equal hash
   * codes are produced by two calls to this method, it is <i>as likely as possible</i> that each
   * was computed from the <i>same</i> input hash codes in the <i>same</i> order.
   *

/**
 * There are hundreds of error codes that may be returned by a CIFS
 * server. Rather than represent each with it's own <code>Exception</code>
 * class, this class represents all of them. For many of the popular
 * error codes, constants and text messages like "The device is not ready"
 * are provided.
 * <p>
 * The jCIFS client maps DOS error codes to NTSTATUS codes. This means that

  /** Creates a new {@code CharBuffer} for buffering reads or writes. */
  static CharBuffer createBuffer() {
    return CharBuffer.allocate(DEFAULT_BUF_SIZE);
  }

  private CharStreams() {}

  /**
   * Copies all characters between the {@link Readable} and {@link Appendable} objects. Does not
   * close or flush either object.
   *
   * @param from the object to read from
   * @param to the object to write to

        // Create channels with zero scores (failed state)
        channel1.setState(ChannelState.FAILED);
        channel2.setState(ChannelState.FAILED);

        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));

        // Should still select a channel even with zero scores
        ChannelInfo selected = loadBalancer.selectChannel(mockMessage);

    @Nested
    @DisplayName("Edge Cases and Boundary Tests")
    class EdgeCasesTests {

        @Test
        @DisplayName("Should handle various result codes correctly")
        void testVariousResultCodes() throws Exception {
            // Test all known result codes
            int[] validCodes = { 0, 1, 2, 3 };
            String[] expectedMessages = { null, // 0 returns null (no exception)

import jcifs.CIFSException;

/**
 * NetBIOS exception class for NBT-related errors.
 *
 * This exception encapsulates NetBIOS name service and session service errors
 * with specific error classes and codes.
 */
public class NbtException extends CIFSException {

    /**
     *
     */
    private static final long serialVersionUID = 492638554095148960L;
    // error classes
    /** Success status code */

    /**
     * Gets the cache scope (ALL or IMMEDIATE_CHILDREN)
     * @return the cache scope
     */
    public DirectoryCacheScope getScope() {
        return scope;
    }

    /**
     * Sets the cache scope for this directory cache
     * @param scope the cache scope to set
     */
    public void setScope(DirectoryCacheScope scope) {
        this.scope = scope;
    }

    /**

     * names also have a <code>type</code>. Types(aka Hex Codes)
     * are used to distinguish the various services on a host. <a
     * href="../../../nbtcodes.html">Here</a> is
     * a fairly complete list of NetBIOS hex codes. Scope is not used but is
     * still functional in other NetBIOS products and so for completeness it has been
     * implemented. A <code>scope</code> of <code>null</code> or <code>""</code>