public void BasicTest()
{
Xtensive.Tuples.Tuple t = Xtensive.Tuples.Tuple.Create(TupleDescriptor.Create <string, int, string, TimeSpan, string, string>());
t.SetValue(0, string.Empty);
t.SetValue(2, "n\\a");
t.SetValue(3, new TimeSpan());
t.SetValue(4, null);
t.SetValue(5, "null");
var s = t.Format();
var tt = Xtensive.Tuples.Tuple.Parse(t.Descriptor, s);
Assert.AreEqual(t, tt);
}