public void MakeListFromValueTupleClearAndFillBack() { using var list = new PoolingListCanon <object>(); list.Add(10); list.Add(20); list.Add(30); list.Clear(); Assert.AreEqual(0, list.Count); Assert.Throws <IndexOutOfRangeException>(() => { var _ = list[0]; }); list.Add(10); list.Add(20); list.Add(30); Assert.AreEqual(3, list.Count); Assert.AreEqual(10, list[0]); Assert.AreEqual(20, list[1]); Assert.AreEqual(30, list[2]); Assert.Throws <IndexOutOfRangeException>(() => { var _ = list[3]; }); }