Cadenza.Collections.Tests.MutableLookupTest.AddMultipleNull C# (CSharp) Метод

        public void AddMultipleNull()
        {
            var values = new [] { "Foo", "Foobar" };
            var lookup = new MutableLookup<string, string>();
            lookup.Add (null, values);
            Assert.AreEqual (1, lookup.Count);
            Assert.IsTrue (values.SequenceEqual (lookup[null]), "S");

            Assert.Throws<ArgumentNullException> (() => lookup.Add ("foo", (IEnumerable<string>)null));
        }