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

        public void MultipleIntFromSelector()
        {
            var source = new []
            {
                new { name="Tim", num = 10 },
                new { name="John", num = -10 },
                new { name="Bob", num = 15 }
            };
            double expected = 5;

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