* It verifies that a new DfsReferral object is initialized with its 'next'
     * property pointing to itself.
     */
    @Test
    void testDefaultConstructor() {
        // Given
        DfsReferral referral = new DfsReferral();

        // When / Then
        assertNotNull(referral, "The DfsReferral object should not be null.");

     *
     * @param str
     *            the string (can be <code>null</code>)
     * @return the given string, or an empty string if the argument is <code>null</code>
     */
    public static String defaultString(final String str) {
        return str == null ? EMPTY : str;
    }

    /**
     * Returns the given string, or the specified default string if the argument is <code>null</code>.
     * <p>
     * Usage example:

    }

    /**
     * Adds a replacement string for the given input character. The specified character will be
     * replaced by the given string whenever it occurs in the input, irrespective of whether it lies
     * inside or outside the 'safe' range.
     *
     * @param c the character to be replaced
     * @param replacement the string to replace the given character
     * @return the builder instance

    public static <T> StreamOf<T> stream(final T... values) {
        return new StreamOf<>(() -> values != null ? Arrays.stream(values) : Collections.<T> emptyList().stream());
    }

    /**
     * Splits the given string into an array of substrings based on the specified regular expression
     * and returns a stream of those substrings.
     *
     * @param value the string to be split; if {@code null}, the method returns an empty stream

  /**
   * Waits for the {@link Service} to reach the {@linkplain State#RUNNING running state} for no more
   * than the given time.
   *
   * @param timeout the maximum time to wait
   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if the service has not reached the given state within the deadline
   * @throws IllegalStateException if the service reaches a state from which it is not possible to

   * MD5 (128 hash bits) hash function and the given secret key.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other
   * future-proof algorithms <a
   * href="https://datatracker.ietf.org/doc/html/rfc6151#section-2.3">over {@code hmacMd5}</a>.
   *
   * @param key the secret key
   * @throws IllegalArgumentException if the given key is inappropriate for initializing this MAC

   * character set.
   *
   * @since 14.0
   */
  public static CharSource asCharSource(File file, Charset charset) {
    return asByteSource(file).asCharSource(charset);
  }

  /**
   * Returns a new {@link CharSink} for writing character data to the given file using the given

        void setUp() {
            mockResponse = mock(TreeConnectResponse.class);
        }

        @Test
        @DisplayName("Should return tree ID")
        void testGetTid() {
            // Given
            when(mockResponse.getTid()).thenReturn(12345);

            // When
            int tid = mockResponse.getTid();

            // Then

    @DisplayName("writeBytesWireFormat Tests")
    class WriteBytesWireFormatTests {

        @Test
        @DisplayName("Should always return 0")
        void testWriteBytesWireFormat() {
            // Given
            byte[] dst = new byte[100];
            int dstIndex = 0;

            // When
            int result = response.writeBytesWireFormat(dst, dstIndex);

            // Then

     * @throws IOException if ASN.1 encoding fails.
     * @throws PACDecodingException if PAC decoding fails.
     */
    @Test
    void testConstructor_ValidToken() throws IOException, PACDecodingException {
        // 1. GIVEN
        // Create a mock KerberosAuthData to be returned by the mocked parse method
        KerberosAuthData mockAuthData = mock(KerberosAuthData.class);