assertEquals("tip", "4326", identifier.tip().toString());
assertEquals("head", "EPSG", identifier.head().toString());
assertEquals("name", "EPSG:4326", identifier.toString());
// Scope (derived from the autority)
final NameSpace scope = identifier.scope();
assertFalse ("scope", scope.isGlobal());
assertEquals("scope", "OGP", scope.name().toString());
}