System.Linq.Tests.AggregateTests.NullResultSelector C# (CSharp) Method

        public void NullResultSelector()
        {
            Expression<Func<int, int>> resultSelector = null;
            Assert.Throws<ArgumentNullException>("selector", () => Enumerable.Range(0, 3).AsQueryable().Aggregate(0, (x, y) => x + y, resultSelector));
        }