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bpo-44984: Rewrite test_null_strings in _testcapi (GH-27904)

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Test also PyObject_Repr(NULL) and PyObject_Bytes(NULL).
(cherry picked from commit 4d68917386)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-08-23 12:30:21 -07:00 • committed by GitHub
parent c6c120ddfa
commit 6ff7fefc91
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2 changed files with 28 additions and 8 deletions
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12
Lib/test/test_capi.py
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@ -619,6 +619,18 @@ def test_fatal_error(self):
''')
self.check_fatal_error(code, expected)
def test_pyobject_repr_from_null(self):
s = _testcapi.pyobject_repr_from_null()
self.assertEqual(s, '<NULL>')
def test_pyobject_str_from_null(self):
s = _testcapi.pyobject_str_from_null()
self.assertEqual(s, '<NULL>')
def test_pyobject_bytes_from_null(self):
s = _testcapi.pyobject_bytes_from_null()
self.assertEqual(s, b'<NULL>')
class TestPendingCalls(unittest.TestCase):

24
Modules/_testcapimodule.c
View file

@ -2342,16 +2342,22 @@ test_long_numbits(PyObject *self, PyObject *Py_UNUSED(ignored))
Py_RETURN_NONE;
}
/* Example passing NULLs to PyObject_Str(NULL). */
static PyObject *
pyobject_repr_from_null(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return PyObject_Repr(NULL);
}
static PyObject *
test_null_strings(PyObject *self, PyObject *Py_UNUSED(ignored))
pyobject_str_from_null(PyObject *self, PyObject *Py_UNUSED(ignored))
{
PyObject *o1 = PyObject_Str(NULL), *o2 = PyObject_Str(NULL);
PyObject *tuple = PyTuple_Pack(2, o1, o2);
Py_XDECREF(o1);
Py_XDECREF(o2);
return tuple;
return PyObject_Str(NULL);
}
static PyObject *
pyobject_bytes_from_null(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return PyObject_Bytes(NULL);
}
static PyObject *
@ -5653,7 +5659,9 @@ static PyMethodDef TestMethods[] = {
{"test_k_code", test_k_code, METH_NOARGS},
{"test_empty_argparse", test_empty_argparse, METH_NOARGS},
{"parse_tuple_and_keywords", parse_tuple_and_keywords, METH_VARARGS},
{"test_null_strings", test_null_strings, METH_NOARGS},
{"pyobject_repr_from_null", pyobject_repr_from_null, METH_NOARGS},
{"pyobject_str_from_null", pyobject_str_from_null, METH_NOARGS},
{"pyobject_bytes_from_null", pyobject_bytes_from_null, METH_NOARGS},
{"test_string_from_format", (PyCFunction)test_string_from_format, METH_NOARGS},
{"test_with_docstring", test_with_docstring, METH_NOARGS,
PyDoc_STR("This is a pretty normal docstring.")},