Cadenza.Collections.Tests.EnumerableTest.SelectAggregated C# (CSharp) Метод

		public void SelectAggregated ()
		{
			#region SelectAggregated
			IEnumerable<int> s = new []{2, 3, 4, 5};
			Tuple<int, List<string>> r = s.SelectAggregated (1,
					(a,b) => Tuple.Create (a-b, "s" + (a-b)));
			Assert.AreEqual (-13, r.Item1);
			Assert.IsTrue (new[]{
					"s-1",
					"s-4",
					"s-8",
					"s-13",
			}.SequenceEqual (r.Item2));

			r = new int[]{}.SelectAggregated (42,
					(a,b) => Tuple.Create (a-b, b.ToString ()));
			Assert.AreEqual (42, r.Item1);
			Assert.AreEqual (0, r.Item2.Count);
			#endregion
		}