}

    @Test
    void testReadParameterWordsWireFormat_bufDataStartIsNotZero() {
        // Test case when bufDataStart is not 0.
        response.bufDataStart = 50; // Initial non-zero value
        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;

    }

    @Test
    void testShareInfo0DecodeWithNonNullNetname() throws NdrException {
        srvsvc.ShareInfo0 shareInfo0 = new srvsvc.ShareInfo0();

        when(mockNdrBuffer.dec_ndr_long()).thenReturn(1); // non-zero pointer
        when(mockDeferredBuffer.dec_ndr_string()).thenReturn("DecodedShare");

        shareInfo0.decode(mockNdrBuffer);

        assertEquals("DecodedShare", shareInfo0.netname);

            assertTrue(maxAccess != 0, "Maximum access mask should not be zero");
            assertTrue((maxAccess & ACE.GENERIC_ALL) != 0, "Maximum access should include GENERIC_ALL");

            // Test minimum access (no permissions)
            int noAccess = 0;
            assertEquals(0, noAccess, "No access should be zero");

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        // observed two zero bytes here with at least win98
        return 2;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {

        dstIndex += 4;

        SMBUtil.writeInt4(leaseFlags, dst, dstIndex); // LeaseFlags (4 bytes)
        dstIndex += 4;

        SMBUtil.writeInt8(0, dst, dstIndex); // LeaseDuration (8 bytes) - reserved, must be zero
        dstIndex += 8;

        return dstIndex - start;
    }

    @Test
    @DisplayName("Test decode with deny ACE")
    void testDecodeDenyACE() throws Exception {
        // Prepare test data - Deny ACE
        testBuffer = new byte[100];
        testBuffer[0] = 0x01; // Deny ACE (non-zero)
        testBuffer[1] = 0x10; // FLAGS_INHERITED
        testBuffer[2] = 0x24; // Size low byte (36)
        testBuffer[3] = 0x00; // Size high byte
        testBuffer[4] = (byte) 0xFF; // Access mask byte 0

                    "Should throw exception when reading beyond buffer bounds");
        }

        @Test
        @DisplayName("Should handle zero-length decode")
        void testDecodeWithZeroLength() throws SMBProtocolDecodingException {
            int result = testResponse.decode(testBuffer, 0, 0);

            assertEquals(0, result);

        SmbTreeConnection c = newConn();
        assertSame(config, c.getConfig());
    }

    @Test
    @DisplayName("acquire calls tree.acquire on first usage, release calls tree.release at zero")
    void acquire_release_lifecycle() {
        SmbTreeConnection c = newConn();
        SmbTreeImpl tree = mock(SmbTreeImpl.class);
        when(tree.acquire(false)).thenReturn(tree);

        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;