System.Linq.Tests.SumTests.SumOfNullableOfFloat_SourceIsNull_ArgumentNullExceptionThrown C# (CSharp) Method

        public void SumOfNullableOfFloat_SourceIsNull_ArgumentNullExceptionThrown()
        {
            IQueryable<float?> sourceNullableFloat = null;
            Assert.Throws<ArgumentNullException>("source", () => sourceNullableFloat.Sum());
            Assert.Throws<ArgumentNullException>("source", () => sourceNullableFloat.Sum(x => x));
        }