@Test
public void testObjectParentNode() throws Exception {

	DataSource source = createDataSource("/parent/id");
	ObjectNode baseNode = new ObjectNode(JsonNodeFactory.instance);
	ObjectNode parentNode = baseNode.putObject("parent");
	parentNode.put("id", 10);
	ObjectNode resultNode = new IntToStringKeyFilter(source, registry).doFilter(baseNode);
	Assert.assertTrue(resultNode.path("parent").path("id").isTextual());
}