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