System.Linq.Tests.SumTests.SumOfNullableOfDouble_SourceIsEmptyCollection_ZeroReturned C# (CSharp) Méthode

        public void SumOfNullableOfDouble_SourceIsEmptyCollection_ZeroReturned()
        {
            IQueryable<double?> sourceNullableDouble = Enumerable.Empty<double?>().AsQueryable();
            Assert.Equal(0d, sourceNullableDouble.Sum());
            Assert.Equal(0d, sourceNullableDouble.Sum(x => x));
        }