public void CanAggregateIntoImmutableHashSet()
{
ImmutableHashSet <int> set = from i in INT_SOURCE
orderby Distinct
group i by ToImmutableHashSet into s
select s;
set.GetType().Should().Be <ImmutableHashSet <int> >();
}
public void WriteImmutableHashSetOfInt32()
{
ImmutableHashSet <int> value = ImmutableHashSet.CreateRange(new[] { 1, 2, 3 });
const string expected = "[1,2,3]";
JsonSerializerOptions options = new JsonSerializerOptions();
options.SetupExtensions();
string actual = JsonSerializer.Serialize(value, value.GetType(), options);
Assert.Equal(expected, actual);
}
