byte[] buffer = new byte[60];
            SMBUtil.writeInt2(60, buffer, 0);
            SMBUtil.writeInt2(1, buffer, 2);

            long testTime = 116444736000000000L;
            SMBUtil.writeInt8(testTime, buffer, 8);
            SMBUtil.writeInt8(testTime + 1000, buffer, 16);
            SMBUtil.writeInt8(testTime + 2000, buffer, 24);
            SMBUtil.writeInt8(testTime + 3000, buffer, 32);

        boolean expectedDirectory = false;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt8(expectedAllocationSize, buffer, offset);
        offset += 8;
        SMBUtil.writeInt8(expectedEndOfFile, buffer, offset);
        offset += 8;
        SMBUtil.writeInt4(expectedNumberOfLinks, buffer, offset);
        offset += 4;
        buffer[offset++] = (byte) (expectedDeletePending ? 1 : 0);

        SMBUtil.writeInt4(0, buffer, 0); // nextEntryOffset
        SMBUtil.writeInt4(0, buffer, 4); // fileIndex
        SMBUtil.writeInt8(0, buffer, 8); // creationTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 16); // lastAccessTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 24); // lastWriteTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 32); // changeTime - raw 0 in wire format

    @Test
    void testNegativeValueHandling() {
        byte[] buffer = new byte[8];

        // Test negative values in writeInt4
        SMBUtil.writeInt4(-1L, buffer, 0);
        assertEquals(-1, SMBUtil.readInt4(buffer, 0));

        // Test negative values in writeInt8
        SMBUtil.writeInt8(-1L, buffer, 0);
        assertEquals(-1L, SMBUtil.readInt8(buffer, 0));
    }

        // Next command
        SMBUtil.writeInt4(0, buffer, bufferIndex + 20);
        // Message ID
        SMBUtil.writeInt8(1, buffer, bufferIndex + 24);
        // Reserved/Async ID
        SMBUtil.writeInt8(0, buffer, bufferIndex + 32);
        // Session ID
        SMBUtil.writeInt8(0, buffer, bufferIndex + 40);
        // Signature

        SMBUtil.writeInt8(indexNumber1, buffer1, 0);
        fileInternalInfo.decode(buffer1, 0, buffer1.length);
        assertEquals(indexNumber1, fileInternalInfo.getIndexNumber());

        // Second decode - should overwrite previous value
        byte[] buffer2 = new byte[8];
        long indexNumber2 = 0x2222222222222222L;
        SMBUtil.writeInt8(indexNumber2, buffer2, 0);

        // Write FileFsFullSizeInformation data (32 bytes)
        SMBUtil.writeInt8(1000000, buffer, 20); // Total allocation units
        SMBUtil.writeInt8(500000, buffer, 28); // Caller available units
        SMBUtil.writeInt8(600000, buffer, 36); // Actual available units
        SMBUtil.writeInt4(512, buffer, 44); // Sectors per unit
        SMBUtil.writeInt4(4096, buffer, 48); // Bytes per sector

        int dataOffset = offset;
        SMBUtil.writeInt4(0, buffer, dataOffset);
        dataOffset += 4;
        SMBUtil.writeInt4(8, buffer, dataOffset);
        dataOffset += 4;
        SMBUtil.writeInt4(1000000, buffer, dataOffset);
        dataOffset += 4;
        SMBUtil.writeInt4(500000, buffer, dataOffset);
        dataOffset += 4;
        SMBUtil.writeInt2(512, buffer, dataOffset);

        // Set dataCount

public class AvTimestampTest {

    /**
     * Test constructor with raw bytes.
     */
    @Test
    public void testConstructorWithRawBytes() {
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(1234567890L, rawBytes, 0); // Example timestamp
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        assertNotNull(avTimestamp);
        assertEquals(AvPair.MsvAvTimestamp, avTimestamp.getType());

        writeTime(createTime, dst, dstIndex);
        dstIndex += 8;
        writeInt8(0L, dst, dstIndex);
        dstIndex += 8;
        writeTime(lastWriteTime, dst, dstIndex);
        dstIndex += 8;
        writeInt8(0L, dst, dstIndex);
        dstIndex += 8;
        /* Samba 2.2.7 needs ATTR_NORMAL
         */
        writeInt2(0x80 | attributes, dst, dstIndex);
        dstIndex += 2;
        /* 6 zeros observed with NT */