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(), KnuthCompare.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());
KnuthCompare knuthCompare = new KnuthCompare()
{
StatisticAccumulator = statisticAccumulator
};
// act
knuthCompare.FindSubstring(text, pattern, false);
}
statisticAccumulator.SaveRemain();
// assert
}
public void KnuthCompareCase4Text()
{
// arrange
char[] alphabet = new char[] { 'a', 'c' };
string pattern = "aacaac";
string text = "aaaaacaaacaacaac";
KnuthCompare knuthCompare = new KnuthCompare()
{
StatisticAccumulator = new FakeStringCompareAccumulator()
};
// act
knuthCompare.FindSubstring(text, pattern);
// assert
string expected = "7,10";
Assert.AreEqual(knuthCompare.OutputPresentation, expected, $"Wrong result:{knuthCompare.OutputPresentation}, expected:{expected}");
}
//--------------------------------------------------------------------------------------
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());
KnuthCompare knuthCompare = new KnuthCompare()
{
StatisticAccumulator = _statisticAccumulator
}; // act
knuthCompare.FindSubstring(text, pattern);
// assert
_stepCounter = _step;
}
return(false);
}