public void SerializeHashSet()
{
ImmutableHashSet <string> l = ImmutableHashSet.From(new List <string>
{
"One",
"II",
"3"
});
string json = JsonConvert.SerializeObject(l, Formatting.Indented);
JArray a = JArray.Parse(json);
Assert.AreEqual(3, a.Count);
Assert.IsTrue(a.Any(t => t.DeepEquals("One")));
Assert.IsTrue(a.Any(t => t.DeepEquals("II")));
Assert.IsTrue(a.Any(t => t.DeepEquals("3")));
}
