case COMPRESSION_LZNT1:
            return "LZNT1";
        case COMPRESSION_PATTERN_V1:
            return "Pattern_V1";
        default:
            return "Unknown(0x" + Integer.toHexString(algorithm) + ")";
        }
    }

    /**
     * Compresses data using LZ77 algorithm (implemented using Java's Deflater).
     */

    public static String getHashAlgorithmName(int algorithm) {
        switch (algorithm) {
        case HASH_ALGO_SHA512:
            return "SHA-512";
        default:
            return "Unknown(0x" + Integer.toHexString(algorithm) + ")";
        }
    }

    /**
     * Clears all session contexts (for cleanup).
     */
    public void cleanup() {
        for (PreauthIntegrityContext context : sessionContexts.values()) {

            // Verify each is a power of 2
            for (int cap : capabilities) {
                assertTrue(isPowerOfTwo(cap), "Capability 0x" + Integer.toHexString(cap) + " should be a power of 2");
            }

            // Verify no overlapping bits
            for (int i = 0; i < capabilities.length; i++) {

                + (targetInformation == null ? "null" : "<" + targetInformation.length + " bytes>") + ",flags=0x"
                + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

    /**
     * Returns the default flags for a generic Type-2 message in the
     * current environment.
     *
     * @return An <code>int</code> containing the default flags.

    if (expected != verification) {
      throw new AssertionError(
          "Expected: "
              + Integer.toHexString(expected)
              + " got: "
              + Integer.toHexString(verification));
    }
  }

  static final Funnel<Object> BAD_FUNNEL =
      new Funnel<Object>() {
        @Override

    byte[] quad = textToNumericFormatV4(dottedQuad);
    if (quad == null) {
      return null;
    }
    String penultimate = Integer.toHexString(((quad[0] & 0xff) << 8) | (quad[1] & 0xff));
    String ultimate = Integer.toHexString(((quad[2] & 0xff) << 8) | (quad[3] & 0xff));
    return initialPart + penultimate + ":" + ultimate;
  }

  private static byte parseOctet(String ipString, int start, int end) {

            andx.received = true;
        }

        return bufferIndex - start;
    }

    @Override
    public String toString() {
        return super.toString() + ",andxCommand=0x" + Hexdump.toHexString(andxCommand, 2) + ",andxOffset=" + andxOffset;
    }

        assertTrue(result.contains("searchCount=50"));
        assertTrue(result.contains("informationLevel=0x"));
        assertTrue(result.contains("resumeKey=0x" + Hexdump.toHexString(TEST_RESUME_KEY, 4)));
        assertTrue(result.contains("flags=0x00"));
        assertTrue(result.contains("filename=" + TEST_FILENAME));
    }

    @ParameterizedTest

        final StringBuffer sb = new StringBuffer();
        sb.append(isAllow() ? "Allow " : "Deny  ");
        appendCol(sb, sid.toDisplayString(), 25);
        sb.append(" 0x").append(Hexdump.toHexString(access, 8)).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }

            // Then
            String expectedToString = "Type2Message[target=" + TEST_TARGET + ",challenge=<8 bytes>" + ",context=<8 bytes>"
                    + ",targetInformation=<3 bytes>" + ",flags=0x" + Hexdump.toHexString(message.getFlags(), 8) + "]";
            assertEquals(expectedToString, result);
        }

        @Test
        @DisplayName("toString should handle null fields")
        void testToString_NullFields() {