public void CopyTo ()
{
IPermission [] pa = new IPermission [1];
SecurityPermission sp = new SecurityPermission (SecurityPermissionFlag.Assertion);
PermissionSet ps = new PermissionSet (PermissionState.None);
ps.AddPermission (sp);
ps.CopyTo (pa, 0);
Assert.AreEqual (pa [0].ToString (), sp.ToString (), "CopyTo");
Assert.IsTrue (Object.ReferenceEquals (pa [0], sp), "Reference");
}