System.Linq.Tests.OrderByDescendingTests.KeySelectorCalled C# (CSharp) Méthode

        public void KeySelectorCalled()
        {
            var source = new[]
            {

                new { Name = "Alpha", Score = 90 },
                new { Name = "Robert", Score = 45 },
                new { Name = "Prakash", Score = 99 },
                new { Name = "Bob", Score = 0 }
            };
            var expected = new[]
            {
                new { Name = "Robert", Score = 45 },
                new { Name = "Prakash", Score = 99 },
                new { Name = "Bob", Score = 0 },
                new { Name = "Alpha", Score = 90 }
            };

            Assert.Equal(expected, source.AsQueryable().OrderByDescending(e => e.Name, null));
        }