},
  {
    "comment": "Label with trailing hyphen",
    "input": "x-.xn--zca",
    "output": "x-.xn--zca"
  },
  {
    "input": "x-.ß",
    "output": "x-.xn--zca"
  },
  {
    "comment": "Empty labels",
    "input": "x..xn--zca",
    "output": "x..xn--zca"
  },
  {
    "input": "x..ß",
    "output": "x..xn--zca"
  },
  {
    "comment": "Invalid Punycode",
    "input": "xn--a",

@GwtCompatible
public final class HashMultiset<E extends @Nullable Object> extends AbstractMapBasedMultiset<E> {

  /** Creates a new, empty {@code HashMultiset} using the default initial capacity. */
  public static <E extends @Nullable Object> HashMultiset<E> create() {
    return new HashMultiset<>();
  }

  /**
   * Creates a new, empty {@code HashMultiset} with the specified expected number of distinct
   * elements.
   *

    checkPositionIndex(n, entryArray.length);
    if (n == 0) {
      @SuppressWarnings("unchecked") // it has no entries so the type variables don't matter
      ImmutableMap<K, V> empty = (ImmutableMap<K, V>) EMPTY;
      return empty;
    }
    try {
      return fromEntryArrayCheckingBucketOverflow(n, entryArray, throwIfDuplicateKeys);
    } catch (BucketOverflowException e) {

        assertEquals("Default message should match", "{org.lastaflute.validator.constraints.UriType.message}", getDefaultMessage());
        assertEquals("Default groups should be empty", 0, getDefaultGroups().length);
        assertEquals("Default payload should be empty", 0, getDefaultPayload().length);
    }

    // Test annotation on field with WEB protocol
    public void test_annotationOnFieldWithWebProtocol() throws Exception {

        // Act: constructing the iterator must not throw and results in empty iterator
        DirFileEntryEnumIterator2 it = new DirFileEntryEnumIterator2(tree, parent, "*", null, 0);

        // Assert: enumeration is empty and close produced no extra close call (no fileId opened)
        assertFalse(it.hasNext(), "Empty listing should produce no elements");
        it.close();

            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Creates a Role entity from the provided form data.
     *
     * @param form the form containing the role data
     * @return optional entity containing the role data, or empty if creation fails
     */
    public static OptionalEntity<Role> getRole(final CreateForm form) {

        assertEquals(action, notifyInfo.getAction());
        assertEquals(fileName, notifyInfo.getFileName());
    }

    @Test
    @DisplayName("Test decode with empty buffer returns 0")
    void testDecodeEmptyBuffer() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[0];

        int bytesRead = notifyInfo.decode(buffer, 0, 0);

        assertEquals(0, bytesRead);

    @Test
    @DisplayName("Should handle empty file ID")
    void testSetEmptyFileId() {
        // Given
        RequestWithFileId request = new Smb2CloseRequest(mockConfig, testFileId);

        // When
        request.setFileId(emptyFileId);

        // Then - should accept empty file ID
        assertDoesNotThrow(() -> request.setFileId(emptyFileId), "Should handle empty file ID without throwing exception");
    }

        assertEquals((byte) 0x00, dst[secondBufferFormatIndex + 1]); // Extra null byte for Unicode alignment
    }

    /**
     * Test writeBytesWireFormat with empty file names
     */
    @Test
    @DisplayName("Test writeBytesWireFormat with empty file names")
    public void testWriteBytesWireFormatEmptyFileNames() {
        // Given
        byte[] dst = new byte[100];

    }

    @Test
    @DisplayName("Constructor with Configuration only should create empty Name instances")
    void testConstructorWithConfigOnly() {
        SessionRequestPacket packet = new SessionRequestPacket(mockConfig);

        assertNotNull(packet);
        // The packet should have calledName and callingName initialized but empty
        byte[] dst = new byte[256];
        int written = packet.writeTrailerWireFormat(dst, 0);