ActionStatics.cs

        private static bool ranActionStatic;

        struct StaticsForAction
        {
            private static readonly List<int> _integers = new List<int>();

            static StaticsForAction()
            {
                ranActionStatic = true;
            }

            public static void InitializeIntegerStuff()
            {
                Assert.True(_integers != null);
                Assert.True(_integers.Count == 0);

                _integers.Add(1);
            }
        }

        public static void Actions()
        {
            Assert.False(ranActionStatic);
            var a = new Action(StaticsForAction.InitializeIntegerStuff);
            Assert.True(ranActionStatic);
            a.Invoke();
        }