System.Linq.Tests.SumTests.SumOfLong_SourceIsEmptyCollection_ZeroReturned C# (CSharp) 메소드

        public void SumOfLong_SourceIsEmptyCollection_ZeroReturned()
        {
            IQueryable<long> sourceLong = Enumerable.Empty<long>().AsQueryable();
            Assert.Equal(0L, sourceLong.Sum());
            Assert.Equal(0L, sourceLong.Sum(x => x));
        }