private StringCalculator GivenAStringCalculator()
{
INumberExtractor numberExtractor = new NumberExtractorFromCommaSeparatedString();
INumberRemover numberRemover = createNumberRemover();
INumberValidator numberValidator = createNumberValidator();
return(new StringCalculator(numberExtractor, numberRemover, numberValidator));
}
public StringCalculator(INumberExtractor numberExtractor,
INumberRemover numberRemover,
INumberValidator numberValidator)
{
this.numberExtractor = numberExtractor;
this.numberRemover = numberRemover;
this.numberValidator = numberValidator;
}