System.Linq.Tests.SequenceEqualTests.FirstSourceNull C# (CSharp) Method

        public void FirstSourceNull()
        {
            IQueryable<int> first = null;
            int[] second = { };
            Assert.Throws<ArgumentNullException>("source1", () => first.SequenceEqual(second.AsQueryable()));
            Assert.Throws<ArgumentNullException>("source1", () => first.SequenceEqual(second.AsQueryable(), null));
        }