public void DoubleConversion_AlphabeticLetters_TheSameLetters()
{
foreach (var sample in Samples)
{
Assert.Equal(sample.Letters, AlphabetConverter.IntToLetters((int)AlphabetConverter.LettersToInt(sample.Letters)));
}
}
public void LettersToInt_AlphabeticLetters_ExpectedNumber()
{
foreach (var sample in Samples)
{
Assert.Equal(sample.Number, AlphabetConverter.LettersToInt(sample.Letters));
}
}
public static (int column, int row) KeyToCordinates(string key)
{
var result = KeyPattern.Match(key);
var alphaPart = result.Groups[1].Value;
var numberPart = result.Groups[2].Value;
var columnIndex = AlphabetConverter.LettersToInt(alphaPart);
var rowIndex = BigInteger.Parse(numberPart);
var column = columnIndex > int.MaxValue ? -1 : (int)columnIndex;
var row = rowIndex > int.MaxValue ? -1 : (int)rowIndex;
return(column, row);
}
public void LettersToInt_UnknownSymbols_ThrowFormatException(string letters)
{
Assert.Throws <FormatException>(() => AlphabetConverter.LettersToInt(letters));
}
public void LettersToInt_Null_ThrowArgumentNullException()
{
Assert.Throws <ArgumentNullException>(() => AlphabetConverter.LettersToInt(null));
}
