/// <summary>
/// Get a random string
/// </summary>
/// <param name="random"></param>
/// <param name="length">The length of the string</param>
/// <param name="chars">Available chars</param>
/// <returns>A random string</returns>
public static string NextString(this Random random, int length, IEnumerable <char> chars)
{
return(new string(new char[length]
.Select(selector => random.NextChar(chars))
.ToArray()
));
}
/// <summary>
/// Get a random string
/// </summary>
/// <param name="random"></param>
/// <param name="length">The length of the string</param>
/// <returns>A random string</returns>
public static string NextString(this Random random, int length)
{
return(new string(new char[length]
.Select(selector => random.NextChar())
.ToArray()
));
}
public void Char_Distribution()
{
Distribution(
10,
1_000_000,
() => r.NextChar('a', 'k') - 'a'
);
}
/// <summary>
/// Generates a random string of a specified length. The default character set is Arabic numberals and upper-case Latin alphabet letters, as used in English.
/// </summary>
/// <param name="length"></param>
/// <param name="charSet"></param>
/// <returns></returns>
public static string NextString(this Random rand, uint length, string charSet = null)
{
var str = "";
for (var i = 0; i < length; ++i)
{
str += rand.NextChar(charSet);
}
return(str);
}
public static object Next(this System.Random generator, Type desired)
{
switch (Type.GetTypeCode(desired))
{
case TypeCode.Boolean:
return(generator.NextBool());
case TypeCode.Byte:
return(generator.NextByte());
case TypeCode.Char:
return(generator.NextChar());
case TypeCode.DateTime:
return(generator.NextDateTime());
case TypeCode.Decimal:
return(generator.NextDecimal());
case TypeCode.Double:
return(generator.NextDouble());
case TypeCode.Int16:
return(generator.NextShort());
case TypeCode.Int32:
return(generator.NextInt());
case TypeCode.Int64:
return(generator.NextLong());
case TypeCode.SByte:
return(generator.NextSByte());
case TypeCode.Single:
return(generator.NextFloat());
case TypeCode.UInt16:
return(generator.NextUShort());
case TypeCode.UInt32:
return(generator.NextUInt());
case TypeCode.UInt64:
return(generator.NextULong());
default:
throw new ArgumentOutOfRangeException("Cannot provide a random " + desired);
}
}
