import com.mongodb.*;


class Test {
    
    public static void main(String args[]) throws java.net.UnknownHostException {
        Mongo mongo = new Mongo();

        DB db = mongo.getDB("testWriteConcern");
        db.dropDatabase();

        DBCollection coll = db.getCollection("foo");
        assert(coll.count() == 0);

        WriteResult result = coll.insert(new BasicDBObject("foo", "bar"));
        assert(result.getError() == null);
        assert(coll.count() == 1);

        coll = db.getCollection("bar");
        assert(coll.count() == 0);

        result = coll.insert(new BasicDBObject("foo", "bar"), WriteConcern.SAFE);
        assert(coll.count() == 1);
        assert coll.findOne(new BasicDBObject("foo", "bar")) != null;
        assert result.getLastError().get("wnote") == null : "WNote came through: " + result.getLastError().get("wnote"); 


    }

}