@Test 
public void keySet() {

	Set<String> expect = (new HashMap<String,Object>() {{
		put("field_pub", "pub field value");
		put("field_priv", "priv field value");
		put("field_int", new Integer(1000));
	}}).keySet();
	
	ObjectMap objmap = new ObjectMap(new ObjEntrySet());
	assertEquals(expect, objmap.keySet());
}