// Act: submit a write
            w.write(payload, 3, out);
        }

        // Assert: verify the underlying stream was called
        verify(out, timeout(1000)).write(payload, 0, 3);

        // Stop the thread by sending n = -1
        synchronized (w) {
            w.write(new byte[0], -1, out);
        }

        w.join(2000);

// accepted and all subsequent writes, and [Writer.Flush], will return the error.
// After all data has been written, the client should call the
// [Writer.Flush] method to guarantee all data has been forwarded to
// the underlying [io.Writer].
type Writer struct {
	err error
	buf []byte
	n   int
	wr  io.Writer
}

		return true, nil
	}
	if isWriteLock(lri) {
		// A write-lock is held, cannot release a read lock
		return false, fmt.Errorf("RUnlock attempted on a write locked entity: %s", resource)
	}
	l.removeEntry(resource, args, &lri)
	return reply, nil
}

type lockStats struct {
	Total          int
	Writes         int
	Reads          int
	LockQueue      int
	LocksAbandoned int

    }

    // ---------------- Static write tests -----------------
    @Test
    @DisplayName("writeULong writes little endian bytes")
    void testWriteULong() {
        byte[] dest = new byte[4];
        NtlmMessage.writeULong(dest, 0, 0x01020304);
        assertArrayEquals(new byte[] { 4, 3, 2, 1 }, dest, "Writer must be little‑endian");
    }

    @Test

        File lmhostsFile = tempDir.resolve("lmhosts_empty").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 HOST1\n");
            writer.write("\n");
            writer.write("   \n");
            writer.write("192.168.1.101 HOST2\n");
        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

        byte[] dst = new byte[2];
        int written = instance.writeParameterWordsWireFormat(dst, 0);
        assertEquals(2, written, "writeParameterWordsWireFormat should write exactly 2 bytes");
        // SMBUtil.writeInt2 writes the low byte first (little‑endian)
        assertEquals((byte) (TEST_SID & 0xFF), dst[0]);
        assertEquals((byte) ((TEST_SID >> 8) & 0xFF), dst[1]);
    }

    @Test

public class SMBUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private SMBUtil() {
    }

    /**
     * Writes a 16-bit integer value to a byte array in little-endian format
     * @param val the value to write
     * @param dst the destination byte array
     * @param dstIndex the starting index in the destination array
     */

    }

    /**
     * Calculate average write latency in microseconds
     *
     * @return average write latency
     */
    public double getAverageWriteLatencyMicros() {
        long writes = rdmaWrites.get();
        if (writes == 0) {
            return 0.0;
        }
        return totalWriteTime.get() / (double) writes / 1000.0; // Convert to microseconds
    }

    /**

			bugLogIf(ctx, err)
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}

		// Write a version for making *incompatible* changes.
		// The AdminClient will reject any version it does not know.
		if publicKey == nil {
			w.Write([]byte{1})
			w.Write(key[:])
		}

		stream, err := sio.AES_256_GCM.Stream(key[:])
		if err != nil {
			bugLogIf(ctx, err)
			return

				write(v.Raw, stmt.Table)
			} else if stmt.AddError(stmt.Parse(stmt.Model)) == nil {
				write(v.Raw, stmt.Table)
			}
		} else {
			write(v.Raw, v.Name)
		}

		if v.Alias != "" {
			writer.WriteByte(' ')
			write(v.Raw, v.Alias)
		}
	case clause.Column:
		if v.Table != "" {
			if v.Table == clause.CurrentTable {
				write(v.Raw, stmt.Table)
			} else {
				write(v.Raw, v.Table)
			}