public static TimeSpan NextTimeSpan(this SafeRandom random, TimeSpan timeSpan)
{
if (timeSpan <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException(nameof(timeSpan), timeSpan, "SafeRandom.NextTimeSpan timeSpan must be a positive number.");
}
var ticksDouble = timeSpan.Ticks * random.NextDouble();
var ticks = checked ((long)ticksDouble);
return(TimeSpan.FromTicks(ticks));
}
public static TimeSpan NextTimeSpan(this SafeRandom random, TimeSpan minValue, TimeSpan maxValue)
{
if (minValue <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException(nameof(minValue), minValue, "SafeRandom.NextTimeSpan minValue must be a positive number.");
}
if (minValue >= maxValue)
{
throw new ArgumentOutOfRangeException(nameof(minValue), minValue, "SafeRandom.NextTimeSpan minValue must be less than maxValue.");
}
var span = maxValue - minValue;
return(minValue + random.NextTimeSpan(span));
}