System.Linq.Tests.WhereTests.ForcedToEnumeratorDoesntEnumerateWhereSelect C# (CSharp) Method

        public void ForcedToEnumeratorDoesntEnumerateWhereSelect()
        {
            var iterator = NumberRangeGuaranteedNotCollectionType(0, 3).Where(i => true).Select(i => i);
            var en = iterator as IEnumerator<int>;
            Assert.False(en != null && en.MoveNext());
        }