public void charTo1DigitTest()
{
for (int i = 1; i < 10; i++)
{
string actual = _conversionToString.charToString1Digit(i);
Assert.AreEqual(_list[i - 1], actual);
}
}
public string classification(string str)
{
int length = str.Length;
char[] lastTwoDigits = new char[2];
if (length > 2)
{
lastTwoDigits[0] = str[length - 2];
lastTwoDigits[1] = str[length - 1];
}
string result = null;
switch (str.Length)
{
case 1:
result = cts.charToString1Digit(str[0]);
break;
case 2:
result = cts.charToString2Digit(str);
break;
case 3:
result = cts.charToString1Digit(str[0]) + " Hundred";
if (new string(lastTwoDigits) != "00")
{
result = result + " And " + cts.charToString2Digit(new string(lastTwoDigits));
}
break;
case 4:
result = cts.charToString1Digit(str[0]) + result + " Thousand ";
if (str[1] != '0')
{
result = result + cts.charToString1Digit(str[1]) + " Hundred And ";
}
result = result + cts.charToString2Digit(new string(lastTwoDigits));
break;
case 5:
result = cts.charToString2Digit(new string(new char[] { str[0], str[1] })) + " Thousand ";
if (str[2] != '0')
{
result = result + cts.charToString1Digit(str[2]) + " Hundred And ";
}
result = result + cts.charToString2Digit(new string(lastTwoDigits));
break;
case 6:
result = cts.charToString1Digit(str[0]) + " Hundred";
if (str[1] != '0' || str[2] != '0')
{
result = result + " And " + cts.charToString2Digit(new string(new char[] { str[1], str[2] }));
}
result = result + " Thousand ";
if (str[3] != '0')
{
result = result + cts.charToString1Digit(str[3]) + " Hundred";
}
if (new string(lastTwoDigits) != "00")
{
result = result + " And " + cts.charToString2Digit(new string(lastTwoDigits));
}
break;
case 7:
result = cts.charToString1Digit(str[0]) + " Million";
if (str[1] != '0')
{
result = result + " " + cts.charToString1Digit(str[1]) + " Hundred";
}
if (str[2] != '0' || str[3] != '0')
{
result = result + " And " + cts.charToString2Digit(new string(new char[] { str[2], str[3] }));
}
if (str[1] != '0' || str[2] != '0' || str[3] != '0')
{
result = result + " Thousand ";
}
if (str[4] != '0')
{
result = result + cts.charToString1Digit(str[4]) + " Hundred";
}
if (new string(lastTwoDigits) != "00")
{
result = result + " And " + cts.charToString2Digit(new string(lastTwoDigits));
}
break;
case 8:
result = cts.charToString2Digit(new string(new char[] { str[0], str[1] })) + " Million";
if (str[2] != '0')
{
result = result + " " + cts.charToString1Digit(str[2]) + " Hundred";
}
if (str[3] != '0' || str[4] != '0')
{
result = result + " And " + cts.charToString2Digit(new string(new char[] { str[3], str[4] }));
}
if (str[2] != '0' || str[3] != '0' || str[4] != '0')
{
result = result + " Thousand ";
}
if (str[5] != '0')
{
result = result + cts.charToString1Digit(str[5]) + " Hundred";
}
if (new string(lastTwoDigits) != "00")
{
result = result + " And " + cts.charToString2Digit(new string(lastTwoDigits));
}
break;
case 9:
result = cts.charToString1Digit(str[0]) + " Hundred";
if (str[1] != '0' || str[2] != '0')
{
result = result + " And " + cts.charToString2Digit(new string(new char[] { str[1], str[2] }));
}
result = result + " Million";
if (str[3] != '0')
{
result = result + " " + cts.charToString1Digit(str[3]) + " Hundred";
}
if (str[4] != '0' || str[5] != '0')
{
result = result + " And " + cts.charToString2Digit(new string(new char[] { str[4], str[5] }));
}
if (str[3] != '0' || str[4] != '0' || str[5] != '0')
{
result = result + " Thousand ";
}
if (str[6] != '0')
{
result = result + cts.charToString1Digit(str[6]) + " Hundred";
}
if (new string(lastTwoDigits) != "00")
{
result = result + " And " + cts.charToString2Digit(new string(lastTwoDigits));
}
break;
default: throw new NotImplementedException();
}
return(result);
}