public void SortedList_AsSorted_EnumeratesIdenticalSequence()
{
SortedList <int, string> source = new SortedList <int, string>();
source.Add(0, "a");
source.Add(1, "c");
source.Add(2, "b");
ISortedEnumerable <KeyValuePair <int, string> > result = source.AsSorted();
Assert.IsTrue(result.SequenceEqual(new[] { new KeyValuePair <int, string>(0, "a"), new KeyValuePair <int, string>(1, "c"), new KeyValuePair <int, string>(2, "b") }), "AsSorted should not change the sequence.");
Assert.AreEqual(0, result.IndexOf(new KeyValuePair <int, string>(0, "a")), "Could not find item in sorted list.");
}
