public void XmlSimple()
{
var assoc = new Association <int, string>(5, "aa");
var serialize = assoc.Serialize();
var newAssoc = ObjectExtensions.Deserialize <Association <int, string> >(serialize);
Assert.AreEqual(assoc.Key, newAssoc.Key);
Assert.AreEqual(assoc.Value, newAssoc.Value);
Assert.AreEqual(assoc, newAssoc);
}