public void AddRange_IEnumerable()
{
var collection = (IEnumerable <int>) new int [] { 4, 5, 6 };
using (var arr = new SwiftArray <int> ()) {
arr.AddRange(collection);
Assert.GreaterOrEqual(arr.Capacity, 3, "Capacity 1");
Assert.AreEqual(3, arr.Count, "Count 2");
Assert.AreEqual(4, arr [0], "Item 1");
Assert.AreEqual(5, arr [1], "Item 2");
Assert.AreEqual(6, arr [2], "Item 3");
Assert.Throws <ArgumentNullException> (() => arr.AddRange((IEnumerable <int>)null), "ANE");
arr.Dispose();
Assert.Throws <ObjectDisposedException> (() => arr.AddRange(collection), "AddRange ODE");
}
}