public void Can_Serialize_HashTable()
{
var h = new Hashtable { { "A", 1 }, { "B", 2 } };
var fromJson = h.ToJson().FromJson<Hashtable>();
Assert.That(fromJson.Count, Is.EqualTo(h.Count));
Assert.That(fromJson["A"].ToString(), Is.EqualTo(h["A"].ToString()));
Assert.That(fromJson["B"].ToString(), Is.EqualTo(h["B"].ToString()));
}