checkArgument(
            fromUpperBounds.length == toUpperBounds.length
                && fromLowerBounds.length == toLowerBounds.length,
            "Incompatible type: %s vs. %s",
            fromWildcardType,
            to);
        for (int i = 0; i < fromUpperBounds.length; i++) {
          populateTypeMappings(mappings, fromUpperBounds[i], toUpperBounds[i]);
        }

        long expectedLength = 1024L;
        when(smbFile.length()).thenReturn(expectedLength);

        assertEquals(expectedLength, smbRandomAccessFile.length());
    }

    @Test
    void testSetLength() throws SmbException {
        long newLength = 2048L;
        smbRandomAccessFile.setLength(newLength);
        // Verify length was set (actual behavior depends on implementation)
    }

    @Test

    public SecureCredentialStorage(char[] masterPassword, byte[] salt) throws GeneralSecurityException {
        if (masterPassword == null || masterPassword.length == 0) {
            throw new IllegalArgumentException("Master password cannot be null or empty");
        }
        if (salt == null || salt.length != SALT_SIZE) {
            throw new IllegalArgumentException("Invalid salt");
        }

        this.salt = salt.clone();

        return "Type2Message[target=" + target + ",challenge=" + (challenge == null ? "null" : "<" + challenge.length + " bytes>")
                + ",context=" + (context == null ? "null" : "<" + context.length + " bytes>") + ",targetInformation="
                + (targetInformation == null ? "null" : "<" + targetInformation.length + " bytes>") + ",flags=0x"
                + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

        } else {
            ret.append(Hexdump.toHexString(serverChallenge, 0, serverChallenge.length * 2));
        }
        ret.append(",signingKey=");
        if (signingKey == null) {
            ret.append("null");
        } else {
            ret.append(Hexdump.toHexString(signingKey, 0, signingKey.length * 2));
        }
        ret.append("]");
        return ret.toString();
    }

    /**

     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     *            The length of the SMB data starting at offset.
     * @param request
     *            request message
     * @param response
     *            response message
     */
    void sign(byte[] data, int offset, int length, CommonServerMessageBlock request, CommonServerMessageBlock response);

    /**

                    hdrStart + securityBufferOffset + securityBufferLength > buffer.length) {
                throw new SMBProtocolDecodingException("Security buffer extends beyond available data (offset: " + securityBufferOffset
                        + ", length: " + securityBufferLength + ", buffer size: " + buffer.length + ")");
            }

            this.securityBuffer = new byte[securityBufferLength];

     *
     * @param rus wrapped string
     * @param zterm whether the string should be zero terminated
     */
    public UnicodeString(final rpc.unicode_string rus, final boolean zterm) {
        this.length = rus.length;
        this.maximum_length = rus.maximum_length;
        this.buffer = rus.buffer;
        this.zterm = zterm;
    }

    /**
     * Constructs a UnicodeString from a Java String.
     *

)

// getDataBlockLen - get length of data blocks from encoded blocks.
func getDataBlockLen(enBlocks [][]byte, dataBlocks int) int {
	size := 0
	// Figure out the data block length.
	for _, block := range enBlocks[:dataBlocks] {
		size += len(block)
	}
	return size
}

// Writes all the data blocks from encoded blocks until requested
// outSize length. Provides a way to skip bytes until the offset.

    // contain non-decimal characters.
    int length = end - start;
    if (length <= 0 || length > 3) {
      throw new NumberFormatException();
    }
    // Disallow leading zeroes, because no clear standard exists on
    // whether these should be interpreted as decimal or octal.
    if (length > 1 && ipString.charAt(start) == '0') {
      throw new NumberFormatException();
    }