} catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

    // Test add method with both null parameters
    public void test_add_bothNull() {
        try {
            scriptEngineFactory.add(null, null);
            fail("Should throw IllegalArgumentException for null parameters");

     * equality. Two {@code NtlmPasswordAuthentication} objects are equal if
     * their caseless domain and username fields are equal and either both hashes are external and they are equal or
     * both internally supplied passwords are equal. If one {@code NtlmPasswordAuthentication} object has external

        assertEquals(FileInformation.FILE_INTERNAL_INFO, internalInfo.getFileInformationLevel());
    }

    /**
     * Test that FileInformation can be used as both Decodable and Encodable
     */
    @Test
    @DisplayName("Test FileInformation as both Decodable and Encodable")
    void testFileInformationAsDecodableAndEncodable() throws SMBProtocolDecodingException {

        // requireNonNull is safe because we checked that not *both* siblings were null.
        keyList.head = requireNonNull(node.nextSibling);
      } else {
        node.previousSibling.nextSibling = node.nextSibling;
      }

      if (node.nextSibling == null) {
        // requireNonNull is safe because we checked that not *both* siblings were null.
        keyList.tail = requireNonNull(node.previousSibling);

  abstract int sign(X x);

  /** Returns d's value as an X, rounded with the specified mode. */
  abstract X toX(double d, RoundingMode mode);

  /** Returns a - b, guaranteed that both arguments are nonnegative. */
  abstract X minus(X a, X b);

  /** Rounds {@code x} to a {@code double}. */
  final double roundToDouble(X x, RoundingMode mode) {
    checkNotNull(x, "x");
    checkNotNull(mode, "mode");

 * transformation:
 *
 * {@snippet :
 * someGraphAlgorithm(startNode, node -> ImmutableList.of(node.leftChild(), node.rightChild()));
 * }
 *
 * <p>Graph algorithms that need additional capabilities (accessing both predecessors and
 * successors, iterating over the edges, etc.) should declare their input to be of a type that
 * provides those capabilities, such as {@link Graph}, {@link ValueGraph}, or {@link Network}.
 *

        assertEquals(6, close.writeParameterWordsWireFormat(new byte[10], 0));
    }

    /**
     * The toString representation should include the class name and both
     * fields.  This provides visibility into the debug output of the SMB
     * packet.
     */
    @Test
    @DisplayName("happy: toString contains class info and field values")

        FessUserNotFoundException exception1 = new FessUserNotFoundException("user1");
        FessUserNotFoundException exception2 = new FessUserNotFoundException("user2");

        // Both instances should be of the same class
        assertEquals(exception1.getClass(), exception2.getClass());
    }

    public void test_stackTrace() {
        // Test that the exception has a proper stack trace

        FessUserTimeZoneProcessProvider provider2 = new FessUserTimeZoneProcessProvider();

        String result1 = provider1.toString();
        String result2 = provider2.toString();

        // Both should have the same format structure
        assertTrue(result1.startsWith("FessUserTimeZoneProcessProvider:{"));
        assertTrue(result2.startsWith("FessUserTimeZoneProcessProvider:{"));

    private int eaSize;
    private String shortName;
    private String filename;
    private final Configuration config;
    private final boolean unicode;

    /**
     * Constructs a file both directory info.
     *
     * @param config the configuration
     * @param unicode whether to use unicode encoding
     */
    public FileBothDirectoryInfo(final Configuration config, final boolean unicode) {