public void PermissionStateUnrestricted ()
{
EnvironmentPermission ep = new EnvironmentPermission (PermissionState.Unrestricted);
AssertNotNull ("EnvironmentPermission(PermissionState.Unrestricted)", ep);
Assert ("IsUnrestricted", ep.IsUnrestricted ());
EnvironmentPermission copy = (EnvironmentPermission) ep.Copy ();
AssertEquals ("Copy.IsUnrestricted", ep.IsUnrestricted (), copy.IsUnrestricted ());
SecurityElement se = ep.ToXml ();
AssertEquals ("ToXml-Unrestricted", "true", (se.Attributes ["Unrestricted"] as string));
}