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

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