@Test
public void testColumnIdentifierReverseNullIdentifier() {

    JXTableT table =  new JXTableT(new AncientSwingTeam());
    ComponentAdapter adapter = table.getComponentAdapter(0, 0);
    try {
        adapter.getColumnIndex(null);
        fail("must throw for null identifier");
    } catch (NullPointerException e) {
        // behaves as documented  
    } catch (Exception e) {
        fail("expected ArrayIndexOutOfBounds but was: " + e);
    }
}