assertEquals(0, fnLength);
    }

    @Test
    @DisplayName("Test readBytesWireFormat returns 0")
    void testReadBytesWireFormat() {
        request = new Smb2QueryDirectoryRequest(mockConfig);
        byte[] buffer = new byte[100];

        int bytesRead = request.readBytesWireFormat(buffer, 0);

        assertEquals(0, bytesRead);
    }

    @Test

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

        return n;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    abstract int writeSetupWireFormat(byte[] dst, int dstIndex);

    abstract int writeParametersWireFormat(byte[] dst, int dstIndex);

        bufferIndex += readHeaderWireFormat(buffer, bufferIndex);
        if (isErrorResponseStatus()) {
            bufferIndex += readErrorResponse(buffer, bufferIndex);
        } else {
            bufferIndex += readBytesWireFormat(buffer, bufferIndex);
        }

        this.length = bufferIndex - start;
        int len = this.length;

        if (this.nextCommand != 0) {

            // When
            response.writeBytesWireFormat(dst, 0);

            // Then
            assertArrayEquals(originalDst, dst);
        }
    }

    @Nested
    @DisplayName("readBytesWireFormat Tests")
    class ReadBytesWireFormatTests {

        @Test
        @DisplayName("Should correctly parse valid SMB2 Close response")

            requestWithNull.writeBytesWireFormat(buffer, 0);
        });
    }

    @Test
    @DisplayName("readBytesWireFormat should return 0")
    void testReadBytesWireFormat() {
        byte[] buffer = new byte[256];
        int result = request.readBytesWireFormat(buffer, 0);

        assertEquals(0, result);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 10, 50, 100 })

        bufferIndex += 2;

        if (this.byteCount != 0) {
            int n = readBytesWireFormat(buffer, bufferIndex);
            if ((n != this.byteCount) && log.isTraceEnabled()) {
                log.trace("byteCount=" + this.byteCount + " but readBytesWireFormat returned " + n);
            }
            // Don't think we can rely on n being correct here. Must use byteCount.

        bufferIndex += 2;

        if (this.byteCount != 0) {
            // Read byte count for AndX message - this is correct per SMB1 specification
            final int n = readBytesWireFormat(buffer, bufferIndex);
            if (n != this.byteCount && log.isTraceEnabled()) {
                log.trace("Short read, have " + n + ", want " + this.byteCount);
            }