def METHOD_NAME(self):
    i1 = OsmPbfReader("tests/saint_barthelemy.osm.pbf", state_file = "tests/saint_barthelemy.state.txt")
    o1 = MockCountObjects()
    i1.CopyTo(o1)
    self.assertEqual(o1.num_nodes, 83)  # only nodes with tags are reported
    self.assertEqual(o1.num_ways, 625)
    self.assertEqual(o1.num_rels, 16)
    self.assertEqual(i1.timestamp(), dateutil.parser.parse("2015-03-25T19:05:08Z").replace(tzinfo=None))