def test_get_children(self):
ptree = PropertyTree()
# put child
child = PropertyTree()
child.put_double('prune', 6.10)
ptree.put_child('a.g', child)
self.assertEqual(ptree.get_double('a.g.prune'), 6.10)
# get child
ptree.put_string('child.name', 'clement')
ptree.put_int('child.age', -2)
child = ptree.get_child('child')
self.assertEqual(child.get_string('name'), 'clement')
self.assertEqual(child.get_int('age'), -2)
