@Test
  public void testAccessToLayer() throws Exception {
    CatalogFilterAccessManager mgr = setupAccessManager();

    SecureCatalogImpl sc = new SecureCatalogImpl(catalog, mgr) {};
    assertNotNull(sc.getLayerByName("topp:states"));

    WorkspaceInfo ws = sc.getWorkspaceByName("nurc");
    LocalWorkspace.set(ws);
    assertNull(sc.getWorkspaceByName("topp"));
    assertNull(sc.getResourceByName("topp:states", ResourceInfo.class));
    assertNull(sc.getLayerByName("topp:states"));
  }