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

        public void SumOfNullableOfDouble_SourceIsNull_ArgumentNullExceptionThrown()
        {
            IQueryable<double?> sourceNullableDouble = null;
            Assert.Throws<ArgumentNullException>("source", () => sourceNullableDouble.Sum());
            Assert.Throws<ArgumentNullException>("source", () => sourceNullableDouble.Sum(x => x));
        }