public static String GetRandomString(Char lowChar, Char highChar, Int32 count, LetterCaseMix letterCaseMix)
{
if (lowChar >= highChar)
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_LowCharGreaterThanHighChar, lowChar, highChar);
if (count < 1)
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_CountOutOfRange, count);
var result = new StringBuilder(count);
Char randomChar;
for (Int32 idx = 0; idx < count; idx++)
{
lock (_semaphore)
randomChar = (Char) _rand.Next(lowChar, highChar + 1);
switch (letterCaseMix)
{
case LetterCaseMix.AllUpperCase:
result.Append(Char.ToUpper(randomChar));
break;
case LetterCaseMix.AllLowerCase:
result.Append(Char.ToLower(randomChar));
break;
case LetterCaseMix.MixUpperCaseAndLowerCase:
if (GetCoinFlip())
result.Append(Char.ToUpper(randomChar));
else
result.Append(Char.ToLower(randomChar));
break;
default:
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_UnknownLetterCaseMixValue, letterCaseMix);
}
}
return result.ToString();
}
public static String GetRandomString(Char lowChar, Char highChar, Int32 count, LetterCaseMix letterCaseMix)
{
if (lowChar >= highChar)
{
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_LowCharGreaterThanHighChar, lowChar, highChar);
}
if (count < 1)
{
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_CountOutOfRange, count);
}
var result = new StringBuilder(count);
Char randomChar;
for (Int32 idx = 0; idx < count; idx++)
{
lock (_semaphore)
randomChar = (Char)_rand.Next(lowChar, highChar + 1);
switch (letterCaseMix)
{
case LetterCaseMix.AllUpperCase:
result.Append(Char.ToUpper(randomChar));
break;
case LetterCaseMix.AllLowerCase:
result.Append(Char.ToLower(randomChar));
break;
case LetterCaseMix.MixUpperCaseAndLowerCase:
if (GetCoinFlip())
{
result.Append(Char.ToUpper(randomChar));
}
else
{
result.Append(Char.ToLower(randomChar));
}
break;
default:
throw new ArgumentOutOfRangeExceptionFmt(Properties.Resources.Random_UnknownLetterCaseMixValue, letterCaseMix);
}
}
return(result.ToString());
}
