public void GetBitPositions_Must_ReturnTheRightBitPositions()
{
CollectionAssert.AreEqual(
expected: new List <int> {
4, 5
},
actual: BitService.GetBitPositions(new List <char> {
'0', '0', '0', '0', '1', '1', '0', '0'
}, '1').ToList(),
message: "The result is not the expected");
}
public IEnumerable <int> Count(int input)
{
try
{
_bitService.ValidateInput(input);
var arrayOfBits = _bitService.ConvertToBitArray(input);
// IN CASE OF NEED TO GET THE OCCURRENCES OF '0' it's possible
var bitOccurrences = _bitService.GetBitOccurrences(arrayOfBits, '1');
var reversedArrayOfBits = _bitService.ReverseBitArray(arrayOfBits);
// IN CASE OF NEED TO GET THE POSITIONS OF '0' it's possible
var bitPositions = _bitService.GetBitPositions(reversedArrayOfBits, '1');
return(_bitService.GetCountingBitsOutput(bitOccurrences, bitPositions));
}
catch (Exception ex)
{
_loggerService.Error("Problem on Counting Bits for '${input}'", ex);
throw ex;
}
}