assertEquals(0, buffer[1], "Second byte must be null terminator for empty string");
    }

    @Test
    @DisplayName("readBytesWireFormat is a no‑op and returns zero")
    void testReadBytesWireFormatNoop() {
        byte[] buffer = new byte[10];
        int used = cmd.readBytesWireFormat(buffer, 0);
        assertEquals(0, used, "readBytesWireFormat is unimplemented and must return 0");

        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((setupCount != 0) && (LogStream.level > 2)) {
            log.println("setupCount is not zero: " + setupCount);
        }

        return bufferIndex - start;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, int bufferIndex) {
        pad = pad1 = 0;
        final int n;

        SMBUtil.writeInt4(maxReceiveSize, data, idx);
        idx += 4;
        SMBUtil.writeInt4(maxFragmentedSize, data, idx);
        idx += 4;

        // Reserved fields (8 bytes)
        // Already zero-initialized

        return data;
    }

    /**
     * Get size of this message
     *
     * @return size in bytes (32)
     */
    public static int size() {
        return 32;
    }

        when(messageBlock.getMid()).thenReturn(minMid);

        messageBlock.setMid(minMid);
        assertEquals(minMid, messageBlock.getMid());

        // Test with zero
        long zeroMid = 0L;
        doNothing().when(messageBlock).setMid(zeroMid);
        when(messageBlock.getMid()).thenReturn(zeroMid);

        messageBlock.setMid(zeroMid);

        assertEquals(0, response.readDataWireFormat(largeBuffer, 0, 65536));
    }

    @Test
    @DisplayName("Test boundary conditions for read methods with zero length")
    void testReadMethodsWithZeroLength() {
        // Arrange
        byte[] buffer = new byte[100];

        // Act & Assert
        assertEquals(0, response.readSetupWireFormat(buffer, 0, 0));

        char[] decrypted = storage.decryptCredentials(encrypted);
        assertNotNull(decrypted, "Decrypted empty data should not be null");
        assertEquals(0, decrypted.length, "Decrypted empty array should have zero length");
    }

    @Test
    public void testEncryptDecryptNull() throws Exception {
        byte[] encrypted = storage.encryptCredentials(null);
        assertNull(encrypted, "Encrypting null should return null");

        channelInfo.setState(ChannelState.ACTIVE);
        int activeScore = channelInfo.getScore();
        assertTrue(activeScore < baseScore);

        // Failed channel should have zero score
        channelInfo.setState(ChannelState.FAILED);
        assertEquals(0, channelInfo.getScore());

        // Primary channel should have higher score
        channelInfo.setState(ChannelState.ESTABLISHED);

            assertEquals(1048576L * 8 * 512, fileFsFullSizeInfo.getCapacity());
            assertEquals(524288L * 8 * 512, fileFsFullSizeInfo.getFree());
        }

        @Test
        @DisplayName("Should decode buffer with zero values")
        void shouldDecodeBufferWithZeroValues() throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);

        }

        if (usage == 0) {
            if (log.isTraceEnabled()) {
                log.trace("Transport usage dropped to zero " + this);
            }
        } else if (usage < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override

        assertEquals(roles, elevateWord.getRoles());
    }

    @Test
    public void testConstructorWithZeroBoost() {
        // Test constructor with zero boost
        String word = "zero boost";
        float boost = 0.0f;
        List<String> readings = Arrays.asList("reading1");
        List<String> fields = Arrays.asList("field1");
        List<String> tags = Arrays.asList("tag1");