public void PermissionStateNone ()
{
UIPermission uip = new UIPermission (PermissionState.None);
Assert.AreEqual (UIPermissionClipboard.NoClipboard, uip.Clipboard, "Clipboard");
Assert.AreEqual (UIPermissionWindow.NoWindows, uip.Window, "Window");
Assert.IsFalse (uip.IsUnrestricted (), "IsUnrestricted");
SecurityElement se = uip.ToXml ();
Assert.IsNull (se.Attribute ("Unrestricted"), "Xml-Unrestricted");
UIPermission copy = (UIPermission)uip.Copy ();
Assert.AreEqual (UIPermissionClipboard.NoClipboard, uip.Clipboard, "Copy-Clipboard");
Assert.AreEqual (UIPermissionWindow.NoWindows, uip.Window, "Copy-Window");
Assert.IsFalse (uip.IsUnrestricted (), "Copy-IsUnrestricted");
}