public void ProcessInputDataBuAdditionTestLength7Number3Pattern4Step987()
        {
            // arrange
            int step          = 9879;
            int bufferSize    = 1000;
            int patternLength = 7;
            int textLength    = 14;

            char[] alphabet = new char[] { 'a', 'c', 'g', 't' };
            StringCompareAccumulator statisticAccumulator = new StringCompareAccumulator(new StringCompareSaver(), BoyerMooreComparer.AlgorythmName,
                                                                                         patternLength, textLength, bufferSize, alphabet.Length);

            statisticAccumulator.Delete();
            int  size             = patternLength + textLength;
            long max              = 1L << (2 * size);
            long sequenceAsNumber = 0;

            int[]  sequence     = new int[size];
            char[] charSequence = new char[size];
            long[] masks        = new long[size];

            long mask = 3;

            for (int i = 0; i < size; i++)
            {
                masks[i] = mask;
                mask   <<= 2;
            }
            // act
            while (sequenceAsNumber < max)
            {
                int shift = 0;
                for (int i = 0; i < size; i++)
                {
                    sequence[i] = (int)((sequenceAsNumber & masks[i]) >> shift);
                    shift      += 2;
                }
                sequenceAsNumber += step;
                charSequence      = sequence.Select(j => alphabet[j]).ToArray();
                string             pattern           = new string(charSequence.Take(patternLength).ToArray());
                string             text              = new string(charSequence.Skip(patternLength).Take(textLength).ToArray());
                BoyerMooreComparer boyerMooreCompare = new BoyerMooreComparer()
                {
                    StatisticAccumulator = statisticAccumulator
                };
                // act
                boyerMooreCompare.FindSubstring(text, pattern, false);
            }
            statisticAccumulator.SaveRemain();

            // assert
        }
        //--------------------------------------------------------------------------------------
        protected override bool MakeAction()
        {
            if (_fCurrentPosition == _fSize - 1 && --_stepCounter == 0)
            {
                var                currentSequence   = _fCurrentSet.Select(i => _charSet[i]).ToList();
                string             pattern           = new string(currentSequence.Take(_patternLength).ToArray());
                string             text              = new string(currentSequence.Skip(_patternLength).Take(_textLength).ToArray());
                BoyerMooreComparer boyerMooreCompare = new BoyerMooreComparer()
                {
                    StatisticAccumulator = _statisticAccumulator
                };                    // act
                boyerMooreCompare.FindSubstring(text, pattern);
                // assert

                _stepCounter = _step;
            }

            return(false);
        }