@Test
public void readMinimalExample()
                        throws Exception {

    final GMLStreamReader reader = getGmlStreamReader( "time_position_minimal.gml" );
    final XMLStreamReader xmlStream = reader.getXMLReader();
    final TimePosition timePosition = new GmlTimePositionTypeReader().read( xmlStream );
    assertNotNull( timePosition );
    assertNull( timePosition.getFrame() );
    assertNull( timePosition.getCalendarEraName() );
    assertNull( timePosition.getIndeterminatePosition() );
    assertEquals( "2001-05-23", timePosition.getValue() );
    assertOnEndElement( xmlStream );
}