byte[] buffer = new byte[testString.length() + 1];
        int len = smb.writeString(testString, buffer, 0);
        assertEquals(testString.length() + 1, len);
        String readString = smb.readString(buffer, 0);
        assertEquals(testString, readString);
    }

    @Test
    void testStringReadWriteUnicode() throws UnsupportedEncodingException {
        smb.useUnicode = true;

                if (pathOffset > 0) {
                    this.rpath = readString(buffer, start + pathOffset, len);
                }
                if (nodeOffset > 0) {
                    this.node = readString(buffer, start + nodeOffset, len);
                }
                if (altPathOffset > 0) {
                    this.altPath = readString(buffer, start + altPathOffset, len);
                }
            } else {

            this.userName = userNameString.check(pacStream.readString());
            this.userDisplayName = userDisplayNameString.check(pacStream.readString());
            this.logonScript = logonScriptString.check(pacStream.readString());
            this.profilePath = profilePathString.check(pacStream.readString());
            this.homeDirectory = homeDirectoryString.check(pacStream.readString());

                bufferIndex += 2;

                path = readString(buffer, start + pathOffset, len, (flags2 & FLAGS2_UNICODE) != 0);
                if (nodeOffset > 0) {
                    node = readString(buffer, start + nodeOffset, len, (flags2 & FLAGS2_UNICODE) != 0);
                }
            } else if (version == 1) {
                node = readString(buffer, bufferIndex, len, (flags2 & FLAGS2_UNICODE) != 0);
            }

        }

        this.nativeOs = readString(buffer, bufferIndex);
        bufferIndex += stringWireLength(this.nativeOs, bufferIndex);
        this.nativeLanMan = readString(buffer, bufferIndex, start + this.byteCount, 255, this.isUseUnicode());
        bufferIndex += stringWireLength(this.nativeLanMan, bufferIndex);
        if (!this.isExtendedSecurity()) {

        }
        nativeOs = readString(buffer, bufferIndex);
        bufferIndex += stringWireLength(nativeOs, bufferIndex);
        nativeLanMan = readString(buffer, bufferIndex, start + byteCount, 255, useUnicode);
        bufferIndex += stringWireLength(nativeLanMan, bufferIndex);
        if (!extendedSecurity) {
            primaryDomain = readString(buffer, bufferIndex, start + byteCount, 255, useUnicode);

        int actualResumeKey = SMBUtil.readInt4(buffer, 6);
        assertEquals(newResumeKey, actualResumeKey);

        // Check filename is updated (it's at the end after flags)
        String actualFilename = readString(buffer, 12, written - 12);
        assertEquals(newFilename, actualFilename);
    }

    @Test
    void testWriteSetupWireFormat() {
        // Test setup wire format writing

        void testReadStringUnicode() {
            testBlock.setUseUnicode(true);
            byte[] buffer = Strings.getUNIBytes("Test\0");

            String result = testBlock.readString(buffer, 0);

            assertEquals("Test", result);
        }

        @Test
        @DisplayName("Test read string without Unicode")
        void testReadStringNonUnicode() {

            e.netName = readString(buffer, bufferIndex, 13, false);
            bufferIndex += 14;
            e.type = readInt2(buffer, bufferIndex);
            bufferIndex += 2;
            int off = readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            off = (off & 0xFFFF) - converter;
            off = start + off;
            e.remark = readString(buffer, off, 128, false);

            /* With NT, the shortName is in Unicode regardless of what is negotiated.
             */

            //      e.shortName = readString( buffer, bufferIndex + 70, e.shortNameLength );
            e.filename = readString(buffer, bufferIndex + 94, e.fileNameLength);

            /* lastNameOffset ends up pointing to either to
             * the exact location of the filename(e.g. Win98)