// The slice aliases the buffer content at least until the next buffer modification,
// so immediate changes to the slice will affect the result of future reads.
func (b *Buffer) Bytes() []byte { return b.buf[b.off:] }

// AvailableBuffer returns an empty buffer with b.Available() capacity.
// This buffer is intended to be appended to and

    val buffer = Buffer()
    operator.read(6, buffer, 21)
    operator.read(36, buffer, 1)
    operator.read(5, buffer, 5)
    operator.read(28, buffer, 8)
    operator.read(17, buffer, 10)
    operator.read(36, buffer, 2)
    operator.read(2, buffer, 4)
    operator.write(0, buffer, buffer.size)
    operator.read(0, buffer, 12)
    operator.read(47, buffer, 3)
    operator.read(45, buffer, 2)
    operator.read(47, buffer, 3)

            assertNotNull(buffer, "Buffer should not be null even when cache is full");
            assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, buffer.length, "Buffer should have correct size");
            buffers.add(buffer);
        }

        // When - Release all buffers back
        for (byte[] buffer : buffers) {
            BufferCache.releaseBuffer(buffer);
        }

        byte[] buffer = new byte[8];

        // Path consumed (2 bytes)
        SMBUtil.writeInt2(0, buffer, 0);

        // Number of referrals (2 bytes) - 0
        SMBUtil.writeInt2(0, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0, buffer, 4);

        // Padding (2 bytes)
        buffer[6] = 0;
        buffer[7] = 0;

        return buffer;
    }

        byte[] buffer1 = new byte[request.size()];
        byte[] buffer2 = new byte[request.size()];

        request.encode(buffer1, 0);
        request.encode(buffer2, 0);

        assertArrayEquals(buffer1, buffer2);
    }

    @Test
    @DisplayName("Test encode with insufficient buffer throws exception")
    void testEncodeWithInsufficientBuffer() {

            byte[] buffer1 = new byte[256];
            byte[] buffer2 = new byte[256];

            // Encode to different buffers
            int result1 = request.encode(buffer1, 0);
            int result2 = request.encode(buffer2, 50);

            // Both should succeed independently
            assertTrue(result1 > 0);

            byte[] buffer = new byte[64];
            SMBUtil.writeInt2(17, buffer, 0);
            SMBUtil.writeInt2(0, buffer, 2);
            SMBUtil.writeInt4(count, buffer, 4);
            SMBUtil.writeInt4(remaining, buffer, 8);
            SMBUtil.writeInt4(0, buffer, 12);
            SMBUtil.writeInt4(0, buffer, 16);
            return buffer;
        }
    }

        assertEquals(32, SMBUtil.readInt2(buffer, offset));

        // Verify notify flags
        assertEquals(Smb2ChangeNotifyRequest.SMB2_WATCH_TREE, SMBUtil.readInt2(buffer, offset + 2));

        // Verify output buffer length
        assertEquals(8192, SMBUtil.readInt4(buffer, offset + 4));

        // Verify file ID
        byte[] readFileId = new byte[16];
        System.arraycopy(buffer, offset + 8, readFileId, 0, 16);

        // Skip 7 reserved bytes (1-7)
        // Skip 8 bytes for RootDirectory (8-15)
        SMBUtil.writeInt4(nameBytes.length, buffer, 16);
        System.arraycopy(nameBytes, 0, buffer, 20, nameBytes.length);

        FileRenameInformation2 info = new FileRenameInformation2();
        int bytesRead = info.decode(buffer, 0, buffer.length);

        assertEquals(20 + nameBytes.length, bytesRead);

        fileInternalInfo.decode(buffer2, 0, buffer2.length);
        assertEquals(indexNumber2, fileInternalInfo.getIndexNumber());

        // Third decode - should overwrite again
        byte[] buffer3 = new byte[8];
        long indexNumber3 = 0x3333333333333333L;
        SMBUtil.writeInt8(indexNumber3, buffer3, 0);
        fileInternalInfo.decode(buffer3, 0, buffer3.length);