/** Receive buffer size in bytes */
    int RCV_BUF_SIZE = Config.getInt("jcifs.smb1.smb.client.rcv_buf_size", DEFAULT_RCV_BUF_SIZE);
    /** Whether to use Unicode strings */
    boolean USE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", true);
    /** Whether to force Unicode usage */
    boolean FORCE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", false);
    /** Whether to use NT status codes */

        // OEM flag should not be set when default is Unicode
        assertFalse((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

        // When OEM flag is passed, it gets OR'd with default flags
        // Since mockConfig.isUseUnicode() returns true, default flags include UNICODE
        assertTrue((oemType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *
 * <p>As there are important reasons, including potential security issues, to handle Unicode
 * correctly if you are considering implementing a new escaper you should favor using UnicodeEscaper
 * wherever possible.
 *

 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *
 * <p>As there are important reasons, including potential security issues, to handle Unicode
 * correctly if you are considering implementing a new escaper you should favor using UnicodeEscaper
 * wherever possible.
 *

    // The char values \uFFFE and \uFFFF are explicitly not allowed in XML
    // (Unicode code points above \uFFFF are represented via surrogate pairs
    // which means they are treated as pairs of safe characters).
    builder.setSafeRange(Character.MIN_VALUE, '\uFFFD');
    // Unsafe characters are replaced with the Unicode replacement character.
    builder.setUnsafeReplacement("\uFFFD");

    /*

 * character encoding. UTF-8 is defined in section D92 of <a
 * href="http://www.unicode.org/versions/Unicode6.2.0/ch03.pdf">The Unicode Standard Core
 * Specification, Chapter 3</a>.
 *
 * <p>The variant of UTF-8 implemented by this class is the restricted definition of UTF-8
 * introduced in Unicode 3.1. One implication of this is that it rejects <a
 * href="http://www.unicode.org/versions/corrigendum1.html">"non-shortest form"</a> byte sequences,

        @DisplayName("Round-trip encoding/decoding should preserve string content")
        void testRoundTripConversion() {
            // Given
            String[] testStrings = { "Simple ASCII", "Unicode: 世界 🌍", "Mixed: ASCII + Unicode ñöt", "Special chars: !@#$%^&*()", "" };

            for (String original : testStrings) {
                // When - round trip through UNI encoding

            if (useUnicode) {
                // should Unicode alignment be corrected for here?
                str = new String(src, srcIndex, len, UNI_ENCODING);
            } else {

                /* On NT without Unicode the fileNameLength
                 * includes the '\0' whereas on win98 it doesn't. I
                 * guess most clients only support non-unicode so
                 * they don't run into this.

        assertEquals((byte) 0x04, dst[secondBufferFormatIndex]);
    }

    /**
     * Test writeBytesWireFormat with Unicode encoding
     */
    @Test
    @DisplayName("Test writeBytesWireFormat writes file names correctly in Unicode")
    public void testWriteBytesWireFormatUnicode() throws Exception {
        // Given
        String oldFileName = "oldFile.txt";

    /**
     * Encodes a string into UTF-16LE (Unicode Little Endian) bytes.
     *
     * @param str the string to encode
     * @return the string as bytes (UTF16-LE)
     */
    public static byte[] getUNIBytes(final String str) {
        return getBytes(str, UNI_ENCODING);
    }

    /**
     * Encodes a string into ASCII bytes.
     *
     * @param str the string to encode
     * @return the string as bytes (ASCII)
     */