System.Linq.Tests.SelectTests.Select_ExceptionThrownFromSelector_ExceptionPropagatedToTheCaller C# (CSharp) Method

        public void Select_ExceptionThrownFromSelector_ExceptionPropagatedToTheCaller()
        {
            int[] source = new[] { 1, 2, 3, 4, 5 };
            Func<int, int> selector = i => { throw new InvalidOperationException(); };

            var result = source.Select(selector);
            var enumerator = result.GetEnumerator();

            Assert.Throws<InvalidOperationException>(() => enumerator.MoveNext());
        }