@Test
@SuppressWarnings("unchecked")
public void testGetLength01() throws Exception {

    // 前処理
	QName qName = new QName("name");
	@SuppressWarnings("rawtypes")
    Map map = new HashMap();
	map.put("key", null);
	DynamicPropertyHandler handler = new MapDynamicPropertyHandler();
	Locale locale = new Locale("ja");
	NodePointer nodePointer = NodePointer.newNodePointer(qName, map, locale);
	DynamicPropertyPointerEx pointer 
		= new DynamicPropertyPointerEx(nodePointer, handler);
	pointer.setPropertyName("key");
    // テスト実施
	assertEquals(1, pointer.getLength());
}