def e_test_pickling(self, tester=None, **options):
if not hasattr(self,
"_can_test_pickling") or self._can_test_pickling():
tester = self._tester(**options)
from sage.misc.all import loads, dumps
tester.assertEqual(loads(dumps(self)), self)
else:
tester.info(" (skipped, not picklable) ", newline=False)
def _test_pickling(self, **options):
"""
Checks that the instance in self can be pickled and unpickled properly.
EXAMPLES::
sage: from sage.misc.sage_unittest import PythonObjectWithTests
sage: PythonObjectWithTests(int(1))._test_pickling()
SEE ALSO: :func:`dumps` :func:`loads`
"""
tester = instance_tester(self, **options)
from sage.misc.all import loads, dumps
tester.assertEqual(loads(dumps(self._instance)), self._instance)