CSharpFeaturesTest.V30.Linq.ElementOperationsTests.SingleMethodTest C# (CSharp) Метод

        public void SingleMethodTest()
        {
            string[] fruits1 = { "apple" };

            string fruit = fruits1.Single();
            Assert.AreEqual("apple", fruit);

            string[] fruits2 = { "orange", "apple" };
            string fruit2 = fruits2.Single(x => x.Length > 5);
            Assert.AreEqual("orange", fruit2);
        }