for (long time : testTimes) {
            SMBUtil.writeUTime(time, buffer, 0);
            long readTime = SMBUtil.readUTime(buffer, 0);

            // Account for precision loss (milliseconds to seconds conversion)
            assertEquals((time / 1000L) * 1000L, readTime);
        }
    }

    @Test
    void testBoundaryConditions() {
        byte[] buffer = new byte[16];

        // Should read 20 bytes as per implementation
        assertEquals(20, bytesRead);
        assertEquals(0x0010, response.getAttributes());
        // getLastWriteTime returns lastWriteTime (from readUTime) + serverTimeZoneOffset
        // readUTime multiplies the seconds value by 1000, and writeUTime divides milliseconds by 1000
        // So the round-trip should preserve the milliseconds value

        if (wordCount == 0) {
            return 0;
        }
        fileAttributes = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        lastWriteTime = readUTime(buffer, bufferIndex);
        bufferIndex += 4;
        fileSize = readInt4(buffer, bufferIndex);
        return 20;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {

        final int start = bufferIndex;

        fid = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        fileAttributes = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        lastWriteTime = readUTime(buffer, bufferIndex);
        bufferIndex += 4;
        dataSize = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        grantedAccess = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        if (this.wordCount == 0) {
            return 0;
        }
        this.fileAttributes = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.lastWriteTime = SMBUtil.readUTime(buffer, bufferIndex);
        bufferIndex += 4;
        this.fileSize = SMBUtil.readInt4(buffer, bufferIndex);
        return 20;
    }

    @Override

        try {
            TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
            ServerMessageBlock.writeUTime(unixTime * 1000L, buffer, 0);
            long readTime = ServerMessageBlock.readUTime(buffer, 0);
            assertEquals(unixTime * 1000L, readTime);
        } finally {
            TimeZone.setDefault(original);
        }
    }

    @Test

        this.fid = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.fileAttributes = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.lastWriteTime = SMBUtil.readUTime(buffer, bufferIndex);
        bufferIndex += 4;
        this.fileDataSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.grantedAccess = SMBUtil.readInt2(buffer, bufferIndex);

     * @param buffer the source byte array
     * @param bufferIndex the starting index in the source array
     * @return the time value in milliseconds since January 1, 1970 UTC
     */
    public static long readUTime(final byte[] buffer, final int bufferIndex) {
        return (readInt4(buffer, bufferIndex) & 0xFFFFFFFFL) * 1000L;
    }

    /**
     * Writes a Java time value as a Unix time (32-bit seconds)

        if (t != 0L) {
            t = (t + MILLISECONDS_BETWEEN_1970_AND_1601) * 10000L;
        }
        writeInt8(t, dst, dstIndex);
    }

    static long readUTime(final byte[] buffer, final int bufferIndex) {
        return readInt4(buffer, bufferIndex) * 1000L;
    }

    static void writeUTime(long t, final byte[] dst, final int dstIndex) {

        final int start = bufferIndex;
        this.createTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.lastAccessTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.lastWriteTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.changeTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;