System.Linq.Tests.SelectTests.Select_GetEnumeratorCalledTwice_DifferentInstancesReturned C# (CSharp) Méthode

        public void Select_GetEnumeratorCalledTwice_DifferentInstancesReturned()
        {
            int[] source = new[] { 1, 2, 3, 4, 5 };
            var query = source.Select(i => i + 1);

            var enumerator1 = query.GetEnumerator();
            var enumerator2 = query.GetEnumerator();

            Assert.Same(query, enumerator1);
            Assert.NotSame(enumerator1, enumerator2);

            enumerator1.Dispose();
            enumerator2.Dispose();
        }