def test_extended_config_empty():
    """Test that an empty ExtendedConfig can be created and accessed."""
    ext_cfg = ExtendedConfig.from_dict({})
    assert ext_cfg.root == {}

    # Creating directly should also work
    ext_cfg2 = ExtendedConfig({})
    assert ext_cfg2.root == {}
Test that an empty ExtendedConfig can be created and accessed.
tests/unit/test_config_extended.py