System.Linq.Tests.SumTests.SumOfDouble_SelectorIsNull_ArgumentNullExceptionThrown C# (CSharp) Метод

        public void SumOfDouble_SelectorIsNull_ArgumentNullExceptionThrown()
        {
            IQueryable<double> sourceDouble = Enumerable.Empty<double>().AsQueryable();
            Expression<Func<double, double>> selector = null;
            Assert.Throws<ArgumentNullException>("selector", () => sourceDouble.Sum(selector));
        }