void setUp() {
        // Mock the Configuration object
        mockConfig = mock(Configuration.class);
        // Define behavior for the OEM encoding, which is used by writeString
        when(mockConfig.getOemEncoding()).thenReturn(StandardCharsets.UTF_8.name());
    }

    @Test
    void testConstructor() {
        // Test that the constructor correctly sets the command and path
        String directoryName = "testDir";

        void testWriteStringNonUnicode() {
            testBlock.setUseUnicode(false);
            byte[] buffer = new byte[100];
            String testString = "Test";

            when(mockConfig.getOemEncoding()).thenReturn("UTF-8");

            int bytesWritten = testBlock.writeString(testString, buffer, 10);

            assertEquals(testString.length() + 1, bytesWritten);
        }

        @Test

            if (targetName != null && targetName.length() != 0) {
                targetBytes = (flags & NTLMSSP_NEGOTIATE_UNICODE) != 0 ? targetName.getBytes(UNI_ENCODING)
                        : targetName.toUpperCase().getBytes(getOEMEncoding());
                size += targetBytes.length;
            } else {
                flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
            }
        }

        if (targetInformationBytes != null) {

        return this.delegate.getSessionLimit();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getOemEncoding()
     */
    @Override
    public String getOemEncoding() {
        return this.delegate.getOemEncoding();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getLocalTimezone()
     */
    @Override

            flags = NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_OEM;
            charset = getOEMEncoding();
        } else {
            _sessionKey = readSecurityBuffer(material, 52);
            flags = readULong(material, 60);
            charset = (flags & NTLMSSP_NEGOTIATE_UNICODE) != 0 ? UNI_ENCODING : getOEMEncoding();
        }
        setSessionKey(_sessionKey);
        setFlags(flags);

                    target = (flags & NTLMSSP_NEGOTIATE_UNICODE) != 0 ? targetName.getBytes(UNI_ENCODING)
                            : targetName.toUpperCase().getBytes(getOEMEncoding());
                } else {
                    flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
                }
            }
            if (targetInformation != null) {

        // When
        PropertyConfiguration testConfig = new PropertyConfiguration(props);

        // Then
        assertEquals("UTF-8", testConfig.getOemEncoding());
        // Note: getNativeCharset() is not available in the Configuration interface
        // Test a different configuration property instead
        assertTrue(testConfig.getNetbiosSoTimeout() > 0);
    }

        mockRandom.nextBytes(machineId);

        lenient().when(mockConfig.getDefaultDomain()).thenReturn("TESTDOMAIN");
        lenient().when(mockConfig.isUseUnicode()).thenReturn(true);
        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");
        lenient().when(mockConfig.getRandom()).thenReturn(mockRandom);
        lenient().when(mockConfig.getLanManCompatibility()).thenReturn(3); // Default NTLMv2

        writeUShort(dest, offset + 2, length);
        writeULong(dest, offset + 4, bodyOffset);
        System.arraycopy(src, 0, dest, bodyOffset, length);
    }

    static String getOEMEncoding() {
        return OEM_ENCODING;
    }

    /**
     * Returns the raw byte representation of this message.
     *
     * @return A <code>byte[]</code> containing the raw message material.
     */

        if (src != null && src.length > 0) {
            System.arraycopy(src, 0, dest, pos, src.length);
            return src.length;
        }
        return 0;
    }

    static String getOEMEncoding() {
        return OEM_ENCODING;
    }

    /**
     * Returns the raw byte representation of this message.
     *
     * @return A <code>byte[]</code> containing the raw message material.