System.Linq.Tests.AverageTests.NullableFloatFromSelector C# (CSharp) Method

        public void NullableFloatFromSelector()
        {
            var source = new []
            {
                new { name = "Tim", num = (float?)5.5f },
                new { name = "John", num = (float?)15.5f },
                new { name = "Bob", num = default(float?) }
            };
            float? expected = 10.5f;

            Assert.Equal(expected, source.AsQueryable().Average(e => e.num));
        }