buffer[i] = (byte) (i * 2);
        }

        // Mock number of links (4 bytes)
        buffer[16] = 0x01;
        buffer[17] = 0x00;
        buffer[18] = 0x00;
        buffer[19] = 0x00;

        // Mock delete pending and directory flags
        buffer[20] = 0x00;
        buffer[21] = 0x00;

        return buffer;
    }

    private byte[] createMockFileInternalInfoBuffer() {

        byte[] src = new byte[200];
        // Setup minimal valid header
        src[0] = 0x00;
        src[1] = 0x01; // Transaction ID
        src[2] = 0x00; // Flags
        src[3] = 0x00; // Flags
        src[4] = 0x00;
        src[5] = 0x01; // Question count

        // Act
        int result = nodeStatusRequest.readWireFormat(src, 0);

        // Assert

            request.setOffset(1000L);
            request.setRemainingBytes(500);
            request.setWriteFlags(0x01);

            // Update parameters
            request.setData(new byte[200], 0, 200);
            request.setOffset(2000L);
            request.setRemainingBytes(1000);
            request.setWriteFlags(0x02);

            // Update file ID
            byte[] newFileId = new byte[16];

     * .
     */
    @Test
    public void testToBinary() {
        assertThat(BinaryConversionUtil.toBinary(null), nullValue());
        final byte[] b = { 0x00, 0x01 };
        assertThat(BinaryConversionUtil.toBinary(b), is(b));
        assertThat(BinaryConversionUtil.toBinary("hoge"), is("hoge".getBytes()));
    }

    /**
     * Test method for

    }

    @Test
    public void testToStringContainsCount() {
        // Little-endian: count = 512 (0x0200)
        byte[] buf = new byte[12];
        buf[0] = 0x00;
        buf[1] = 0x02; // count = 512 in little-endian
        resp.readParameterWordsWireFormat(buf, 0);
        String str = resp.toString();
        assertTrue(str.contains("count=512"), "toString should include numeric count");
    }

	{"$(112+8)", "$120"},
	{"$(1<<63)", "$-9223372036854775808"},
	{"$-1", "$-1"},
	{"$0", "$0"},
	{"$0-0", "$0"},
	{"$0-16", "$-16"},
	{"$0x000FFFFFFFFFFFFF", "$4503599627370495"},
	{"$0x01", "$1"},
	{"$0x02", "$2"},
	{"$0x04", "$4"},
	{"$0x3FE", "$1022"},
	{"$0x7fffffe00000", "$140737486258176"},
	{"$0xfffffffffffff001", "$-4095"},
	{"$1", "$1"},
	{"$1.0", "$(1.0)"},
	{"$10", "$10"},
	{"$1000", "$1000"},

	},
	{
		// Zstd default header.
		header: []byte{0x28, 0xb5, 0x2f, 0xfd},
		f:      formatZstd,
	},
	{
		// Zstd skippable frame header.
		header: []byte{0x2a, 0x4d, 0x18},
		f:      formatZstd,
	},
	{
		// LZ4
		header: []byte{0x4, 0x22, 0x4d, 0x18},
		f:      formatLZ4,
	},
	{
		// Snappy/S2 stream
		header: []byte{0xff, 0x06, 0x00, 0x00},
		f:      formatS2,
	},
	{

            }
        } else {
            // no password in tree connect
            this.passwordLength = 1;
        }

        dst[dstIndex] = this.disconnectTid ? (byte) 0x01 : (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        SMBUtil.writeInt2(this.passwordLength, dst, dstIndex);
        return 4;
    }

    @SuppressWarnings("deprecation")

        when(this.mechContext.getFlags()).thenReturn(0x1234);
        when(this.mechContext.initSecContext(any(byte[].class), eq(0), eq(0))).thenReturn(new byte[] { 0x01, 0x02 });

        // Act: len==0 triggers initial token construction
        byte[] out = ctx.initSecContext(null, 0, 0);

        // Assert: returns a SPNEGO token (opaque here but non-null/non-empty)

            }
        } else {
            // no password in tree connect
            passwordLength = 1;
        }

        dst[dstIndex] = disconnectTid ? (byte) 0x01 : (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        writeInt2(passwordLength, dst, dstIndex);
        return 4;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {