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

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