private static double RandomDouble(Attributes.BaseLimitAttribute baseLimitAttribute = null)
{
if (baseLimitAttribute == null)
{
return(_random.NextDouble() * (double)_random.Next(Int32.MinValue, Int32.MaxValue));
}
if (baseLimitAttribute is Attributes.Double.LimitAttribute limit)
{
return(limit.MinimumValue + _random.NextDouble() * (limit.MaximumValue - limit.MinimumValue));
}
throw new InvalidAttributeException(typeof(Attributes.Double.LimitAttribute));
}
private static int RandomInt32(Attributes.BaseLimitAttribute baseLimitAttribute = null)
{
if (baseLimitAttribute == null)
{
return(_random.Next(Int32.MinValue, Int32.MaxValue));
}
if (baseLimitAttribute is Attributes.Int32.LimitAttribute attribute)
{
return(_random.Next(attribute.MinimumValue, attribute.MaximumValue));
}
throw new InvalidAttributeException(typeof(Attributes.Int32.LimitAttribute));
}
private static short RandomInt16(Attributes.BaseLimitAttribute baseLimitAttribute = null)
{
if (baseLimitAttribute == null)
{
return((short)_random.Next((int)short.MinValue, short.MaxValue));
}
if (baseLimitAttribute is Attributes.Int16.LimitAttribute attribute)
{
return((short)_random.Next(attribute.MinimumValue, attribute.MaximumValue));
}
throw new InvalidAttributeException(typeof(Attributes.Int16.LimitAttribute));
}
internal static dynamic GetRandomValues(this Type source, Attributes.BaseLimitAttribute limitAttribute = null)
{
IDictionary <Type, Func <dynamic> > _actionDictionary = new Dictionary <Type, Func <dynamic> >()
{
[typeof(string)] = () => RandomString(),
[typeof(sbyte)] = () => RandomSByte(),
[typeof(short)] = () => RandomInt16(limitAttribute),
[typeof(int)] = () => RandomInt32(limitAttribute),
[typeof(long)] = () => RandomInt64(limitAttribute),
[typeof(bool)] = () => RandomBoolean(),
[typeof(double)] = () => RandomDouble(limitAttribute),
[typeof(byte)] = () => RandomByte(),
[typeof(char)] = () => RandomChar(),
[typeof(ushort)] = () => RandomUInt16(limitAttribute),
[typeof(uint)] = () => RandomUInt32(limitAttribute),
[typeof(ulong)] = () => RandomUInt64(limitAttribute),
[typeof(decimal)] = () => RandomDecimal(),
[typeof(float)] = () => RandomFloat(),
};
return(_actionDictionary.ContainsKey(source) ? _actionDictionary[source]() : GetDefault(source));
}
private static UInt64 RandomUInt64(Attributes.BaseLimitAttribute baseLimitAttribute = null)
{
ulong minValue = UInt64.MinValue;
ulong maxValue = UInt64.MaxValue;
if (baseLimitAttribute is Attributes.UInt64.LimitAttribute attribute)
{
minValue = attribute.MinimumValue;
maxValue = attribute.MaximumValue;
}
else if (baseLimitAttribute != null)
{
throw new InvalidAttributeException(typeof(Attributes.UInt64.LimitAttribute));
}
var byteArray = new byte[8];
_random.NextBytes(byteArray);
var result = BitConverter.ToUInt64(byteArray, 0);
result = (ulong)(Math.Abs((decimal)result % (maxValue - minValue)) + minValue);
return(result);
}
private static long RandomInt64(Attributes.BaseLimitAttribute baseLimitAttribute = null)
{
long minValue = Int32.MinValue;
long maxValue = Int32.MaxValue;
if (baseLimitAttribute is Attributes.Int64.LimitAttribute attribute)
{
minValue = attribute.MinimumValue;
maxValue = attribute.MaximumValue;
}
else if (baseLimitAttribute != null)
{
throw new InvalidAttributeException(typeof(Attributes.Int64.LimitAttribute));
}
long result = _random.Next((Int32)(minValue >> 32), (Int32)(maxValue >> 32));
result = (result << 32);
result = result | (long)_random.Next((Int32)minValue >> 32, (Int32)maxValue >> 32);
result = (Math.Abs(result % (maxValue - minValue)) + minValue);
return(result);
}
