System.Linq.Tests.ContainsTests.NullSource C# (CSharp) Méthode

        public void NullSource()
        {
            IQueryable<int> source = null;
            
            Assert.Throws<ArgumentNullException>("source", () => source.Contains(42));
            Assert.Throws<ArgumentNullException>("source", () => source.Contains(42, EqualityComparer<int>.Default));
        }