/// <summary>
/// 1～9の数値をアホ変換します。
/// </summary>
/// <param name="value">元の数値</param>
/// <param name="number">変換対象の数値</param>
/// <param name="digit">何桁目か</param>
/// <returns></returns>
public string ToFoolNumber(BigInteger value, int number, int digit)
{
var result = "";
if (digit == 1)
{
// 1の位
return(ConvertFoolNumber(value, number, digit));
}
else
{
// 単位の区切りを取得
var digitPart = Consts.GetDigitPart(digit);
switch (number)
{
case 0: return("");
case 1:
return(digitPart switch
{
Consts.DigitPartType.One => _IsSokuon(digit) ? "いっ" : "いち",
_ => "",
});
public void GetDigitPart(int digit, Consts.DigitPartType expected)
{
Assert.Equal(expected, Consts.GetDigitPart(digit));
}