private static final String ALGORITHM_NAME = "AES-256-GCM";

    @Test
    @DisplayName("Default constructor should create exception with null message and cause")
    void testDefaultConstructor() {
        // Given & When
        CIFSUnsupportedCryptoException exception = new CIFSUnsupportedCryptoException();

        // Then
        assertNull(exception.getMessage(), "Default constructor should have null message");

  }

  /**
   * Asserts that an escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test
   * @param c the character to test
   */
  public static void assertUnescaped(CharEscaper escaper, char c) {
    Assert.assertNull(computeReplacement(escaper, c));
  }

  /**
   * Asserts that a Unicode escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test

    checkNotNull(callable);
    checkNotNull(listeningExecutorService);
    return () -> listeningExecutorService.submit(callable);
  }

  /**
   * Wraps the given callable such that for the duration of {@link Callable#call} the thread that is
   * running will have the given name.
   *
   * @param callable The callable to wrap
   * @param nameSupplier The supplier of thread names, {@link Supplier#get get} will be called once

  }

  /**
   * Asserts that an escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test
   * @param c the character to test
   */
  public static void assertUnescaped(CharEscaper escaper, char c) {
    Assert.assertNull(computeReplacement(escaper, c));
  }

  /**
   * Asserts that a Unicode escaper does not escape the given character.
   *
   * @param escaper the non-null escaper to test

    class GetSmbTransportTests {

        @Test
        @DisplayName("Should get transport by name with default parameters")
        void testGetSmbTransportByName() throws UnknownHostException, IOException {
            // Given
            when(transportPool.getSmbTransport(context, TEST_HOST, DEFAULT_PORT, false, false)).thenReturn(transport);

            // When

    }

    /**
     * Test iterator with no filter - all elements should be returned.
     */
    @Test
    void testIteratorWithoutFilter() {
        // Given
        when(mockDelegate.hasNext()).thenReturn(true, true, true, false);
        when(mockDelegate.next()).thenReturn(mockFileEntry1, mockFileEntry2, mockFileEntry3);

    }

    @Test
    @DisplayName("Constructor should throw SmbException for non-workgroup type with host")
    void testConstructor_NonWorkgroupType_ThrowsException() throws Exception {
        // Given: A non-workgroup type with a host
        when(locator.getType()).thenReturn(SmbConstants.TYPE_SERVER);
        when(locator.getURL()).thenReturn(createSmbURL("smb://server/"));

   *
   * <p>Because a {@code SortedSetMultimap} has unique sorted values for a given key, this method
   * returns a {@link SortedSet}, instead of the {@link java.util.Collection} specified in the
   * {@link Multimap} interface.
   */
  @Override
  SortedSet<V> get(@ParametricNullness K key);

  /**
   * Removes all values associated with a given key.
   *

 */
@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);

    }

    @Test
    @DisplayName("Should create new connections when reuse conditions are not met")
    void testNoConnectionReuse() throws Exception {
        // Given: Create a new pool for this test to ensure isolation
        SmbTransportPoolImpl testPool = new SmbTransportPoolImpl();
        when(ctx.getTransportPool()).thenReturn(testPool);

        // Create an existing connection