synchronized (this) {
                log.debug("Usage dropped to zero, release session");
                if (this.sessionAcquired.compareAndSet(true, false)) {
                    this.session.release();
                }
            }
        } else if (usage < 0) {
            log.error("Usage count dropped below zero " + this);
            dumpResource();

        // Then
        assertEquals(8, result);
        assertEquals(0xffffL, instance.getCount());
    }

    /**
     * Test of readParameterWordsWireFormat with zero count
     */
    @Test
    public void testReadParameterWordsWireFormatZeroCount() {
        // Given
        byte[] buffer = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 };

            out.close();
        }

        // Set maxSize smaller than file size (should throw exception)
        FileUtil.readBytes(file, 512);
    }

    /**
     * Test readBytes with custom maxSize of zero
     *
     * @throws Exception
     */
    @Test(expected = IORuntimeException.class)
    public void testReadBytes_CustomMaxSize_Zero() throws Exception {
        final File file = tempFolder.newFile("any.txt");

        return this.pointer;
    }

    /**
     * Validates the provided string against this structure's metadata.
     * Checks that the string length matches the expected length and that
     * null strings have a zero pointer.
     *
     * @param string the string to validate
     * @return the validated string
     * @throws PACDecodingException if validation fails
     */

        SmbComLogoffAndX msg = new SmbComLogoffAndX(null);
        assertEquals(0, msg.writeParameterWordsWireFormat(new byte[10], index), "Expected zero returned regardless of index");
        assertEquals(0, msg.writeParameterWordsWireFormat(null, index), "Expected zero even when dst array is null");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 3, 9, -5 })
    @DisplayName("writeBytesWireFormat always returns 0")

    static final byte SMB_COM_NT_CREATE_ANDX = (byte) 0xA2;

    /*
     * Some fields specify the offset from the beginning of the header. This
     * field should be used for calculating that. This would likely be zero
     * but an implemantation that encorporates the transport header(for
     * efficiency) might use a different initial bufferIndex. For example,
     * to eliminate copying data when writing NbtSession data one might

        assertEquals(fileName, decodedName);

        // Verify bytes written
        assertEquals(20 + nameLength, bytesWritten);
    }

    @Test
    @DisplayName("Test encode with non-zero destination index")
    void testEncodeWithNonZeroDestIndex() {
        String fileName = "test.txt";
        FileRenameInformation2 info = new FileRenameInformation2(fileName, true);

        writeInt8(0L, dst, dstIndex);
        dstIndex += 8;
        /* Samba 2.2.7 needs ATTR_NORMAL
         */
        writeInt2(0x80 | attributes, dst, dstIndex);
        dstIndex += 2;
        /* 6 zeros observed with NT */
        writeInt8(0L, dst, dstIndex);
        dstIndex += 6;

        /* Also observed 4 byte alignment but we stick
         * with the default for jCIFS which is 2 */

        NegTokenInit parsed = new NegTokenInit(bytes);
        assertNull(parsed.getMechanisms(), "Mechanisms should be null when absent");
        assertEquals(0, parsed.getContextFlags(), "Flags should be zero when absent");
        assertNull(parsed.getMechanismToken(), "Mechanism token should be null when absent");
        assertNull(parsed.getMechanismListMIC(), "MIC should be null when absent");
    }

    @Test

        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        assertEquals(expectedTimestamp, avTimestamp.getTimestamp());
    }

    /**
     * Test getTimestamp method with zero timestamp.
     */
    @Test
    public void testGetTimestampZero() {
        long expectedTimestamp = 0L;
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(expectedTimestamp, rawBytes, 0);