yield NtlmUtil.getNTLMResponse(getPasswordAsCharArray(), chlng);
        }
        case 3, 4, 5 -> {
            // NTLMv2 - returns empty for unicode hash as NTLMv2 doesn't use it
            yield new byte[0];
        }
        default -> {
            // Default to NTLMv2 behavior (empty response)
            log.info("Defaulting to secure NTLMv2 authentication (no unicode hash)");
            yield new byte[0];
        }

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

    /**
     * Gets a file authentication entity from the form with system info.
     *
     * @param form the create form
     * @return optional file authentication entity
     */

/** Returns true if this string is not a host name and might be an IP address. */
fun String.canParseAsIpAddress(): Boolean = VERIFY_AS_IP_ADDRESS.matches(this)

/**
 * Returns true if the length is not valid for DNS (empty or greater than 253 characters), or if any
 * label is longer than 63 characters. Trailing dots are okay.
 */
internal fun String.containsInvalidLabelLengths(): Boolean {
  if (length !in 1..253) return true

    SortedSet<E> set = newTreeSet();
    for (E element : elements) {
      // Explicit null check because TreeSet wrongly accepts add(null) when empty.
      set.add(checkNotNull(element));
    }
    return set;
  }

  public static class ContiguousSetGenerator extends AbstractContiguousSetGenerator {
    @Override

            response.readBytesWireFormat(null, 0);
        });

        assertTrue(exception.getMessage().contains("Buffer too small for SMB2 negotiate response"));
    }

    /**
     * Test empty buffer handling.
     */
    @Test
    public void testEmptyBuffer() {
        byte[] emptyBuffer = new byte[0];

								</source>
							</sources>
						</mapping>
						<!-- logs (empty) -->
						<mapping>
							<directory>${packaging.fess.log.dir}</directory>
						</mapping>
						<!-- temp (empty) -->
						<mapping>
							<directory>${packaging.fess.temp.dir}</directory>
						</mapping>
						<!-- dictionary (empty) -->
						<mapping>
							<directory>${packaging.fess.dictionary.dir}</directory>

before the <code>print</code>.
</p>

<p>
If the channel were buffered (e.g., <code>c = make(chan int, 1)</code>)
then the program would not be guaranteed to print
<code>"hello, world"</code>.  (It might print the empty string,
crash, or do something else.)
</p>

<p class="rule">
The <i>k</i>th receive from a channel with capacity <i>C</i> is synchronized before the completion of the <i>k</i>+<i>C</i>th send on that channel.
</p>

        }
    }

    @Nested
    @DisplayName("Edge Cases and Error Conditions")
    class EdgeCasesTests {

        @Test
        @DisplayName("Parse handles empty token gracefully")
        void testParseEmptyToken() {
            byte[] emptyToken = new byte[0];
            assertThrows(IOException.class, () -> new NegTokenInit(emptyToken));
        }

        @Test

        int result = request.size();

        // Then
        assertEquals(expectedSize, result);
        verify(request, times(1)).size();
    }

    @Test
    @DisplayName("Test size returns zero for empty message")
    void testSizeReturnsZero() {
        // Given
        when(request.size()).thenReturn(0);

        // When
        int result = request.size();

        // Then

        d.parameterCount = 0;
        d.dataCount = 0;
        d.headerStart = 0;

        byte[] buf = new byte[100];
        int result = d.readBytesWireFormat(buf, 0);

        // Should handle empty read gracefully
        assertEquals(0, result, "Should return 0 for no data");
        assertTrue(d.getParametersDone(), "parametersDone should be true when total is 0");