@DisplayName("readPacketType with special stream returning -1 should return -1")
    void testReadPacketTypeSpecialStream() throws IOException {
        // Create a mock stream that returns exactly -1 on first read (special case)
        when(mockInputStream.read(any(byte[].class), anyInt(), anyInt())).thenReturn(-1); // Immediate EOF

        byte[] buffer = new byte[10];

        // The readn method will return 0 when stream returns -1

            SMBUtil.writeInt4(chunkBytes, buffer, 4);
            SMBUtil.writeInt4(totalBytes, buffer, 8);
            return buffer;
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle maximum values")
        void testMaximumValues() throws SMBProtocolDecodingException {

            assertEquals((chunkCount - 1) * 100, SMBUtil.readInt4(buffer, offset + 16));
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle source key with all zeros")
        void testSourceKeyAllZeros() {
            // Given

    checkArgument(
        bytes.length == 4,
        "Byte array has invalid length for an IPv4 address: %s != 4.",
        bytes.length);

    // Given a 4-byte array, this cast should always succeed.
    return (Inet4Address) bytesToInetAddress(bytes, null);
  }

  /**
   * Returns the {@link InetAddress} having the given string representation.
   *

         * higher than the current batchLevel so we will now encode
         * that chained message. Before doing so we must increment
         * the batchLevel of the andx message in case it itself is an
         * andx message and needs to perform the same check as above.
         */

        this.andx.batchLevel = this.batchLevel + 1;

        dst[start + ANDX_COMMAND_OFFSET] = this.andxCommand;

///

## Password hashing { #password-hashing }

"Hashing" means converting some content (a password in this case) into a sequence of bytes (just a string) that looks like gibberish.

Whenever you pass exactly the same content (exactly the same password) you get exactly the same gibberish.

        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

        // Use getByName to trigger populate
        // Both hosts should be added in this simple case
        assertNotNull(lmhosts.getByName("HOST1", mockContext));
        assertNotNull(lmhosts.getByName("HOST2", mockContext));
    }

    @Test
    void testPopulateWithInvalidIPFormat() throws Exception {

   *       simply switch over to use the JDK implementation wholesale if probable hash flooding is
   *       detected, sacrificing the compactness guarantee in very rare cases in exchange for much
   *       more reliable worst-case behavior.
   *   <li>null, if no entries have yet been added to the map
   * </ul>
   */
  private transient @Nullable Object table;

  /**

   *
   * <p>Note that you cannot always tell if an attempt to insert an element will succeed by
   * inspecting {@code remainingCapacity} because it may be the case that another thread is about to
   * insert or remove an element.
   */
  @CanIgnoreReturnValue
  @Override
  public int remainingCapacity() {
    Monitor monitor = this.monitor;
    monitor.enter();

            assertFalse(testBlock.isResolveInDfs());

            // The isResolveInDfs() implementation incorrectly uses getFlags() with FLAGS2 constant
            // Since FLAGS2_RESOLVE_PATHS_IN_DFS is 0x1000, when cast to byte it becomes 0
            // Therefore the method will always return false unless flags has all 0x00 bits set
            // This test verifies actual behavior
            testBlock.setFlags((byte) 0x00);