public static Arbitrary <Money <T> > Get <T>() where T : IEquatable <T>
{
var gen = from money in MoneyGenerators.Generator <T>()
where money != null
select money;
return(Arb.From(gen, MoneyGenerators.Shrinker));
}
private static IEnumerable <SameCurrency <T> > Shrinker <T>(SameCurrency <T> x) where T : IEquatable <T>
{
if (x == null)
{
yield break;
}
using (var first = MoneyGenerators.Shrinker(x.First).GetEnumerator())
using (var second = MoneyGenerators.Shrinker(x.Second).GetEnumerator())
using (var third = MoneyGenerators.Shrinker(x.Third).GetEnumerator())
{
while (first.MoveNext() &&
second.MoveNext() &&
third.MoveNext())
{
yield return(new SameCurrency <T>(
first.Current,
second.Current,
third.Current));
}
}
}
public static Arbitrary <Money <T> > Get <T>() where T : IEquatable <T> => Arb.From(MoneyGenerators.Generator <T>(), MoneyGenerators.Shrinker);