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cpython/Lib/test/test_xxlimited.py
Christian Heimes f66c857572
bpo-45459: Add Py_buffer to limited API (GH-29991)
- [x] ``Py_buffer`` struct
- [x] ``PyBuffer_*()`` API functions
- [x] ``PyBUF_*`` constants
- [x] ``Py_bf_getbuffer`` and ``Py_bf_releasebuffer`` type slots
- [x] ``PyMemoryView_FromBuffer()`` API
- [x] tests for limited API
- [x] ``make regen-limited-abi``
- [x] documentation update
- [ ] export ``PyPickleBuffer*()`` API ???
2022-02-02 07:03:10 -08:00

91 lines
2.5 KiB
Python

import unittest
from test.support import import_helper
import types
xxlimited = import_helper.import_module('xxlimited')
xxlimited_35 = import_helper.import_module('xxlimited_35')
class CommonTests:
module: types.ModuleType
def test_xxo_new(self):
xxo = self.module.Xxo()
def test_xxo_attributes(self):
xxo = self.module.Xxo()
with self.assertRaises(AttributeError):
xxo.foo
with self.assertRaises(AttributeError):
del xxo.foo
xxo.foo = 1234
self.assertEqual(xxo.foo, 1234)
del xxo.foo
with self.assertRaises(AttributeError):
xxo.foo
def test_foo(self):
# the foo function adds 2 numbers
self.assertEqual(self.module.foo(1, 2), 3)
def test_str(self):
self.assertTrue(issubclass(self.module.Str, str))
self.assertIsNot(self.module.Str, str)
custom_string = self.module.Str("abcd")
self.assertEqual(custom_string, "abcd")
self.assertEqual(custom_string.upper(), "ABCD")
def test_new(self):
xxo = self.module.new()
self.assertEqual(xxo.demo("abc"), "abc")
class TestXXLimited(CommonTests, unittest.TestCase):
module = xxlimited
def test_xxo_demo(self):
xxo = self.module.Xxo()
other = self.module.Xxo()
self.assertEqual(xxo.demo("abc"), "abc")
self.assertEqual(xxo.demo(xxo), xxo)
self.assertEqual(xxo.demo(other), other)
self.assertEqual(xxo.demo(0), None)
def test_error(self):
with self.assertRaises(self.module.Error):
raise self.module.Error
def test_buffer(self):
xxo = self.module.Xxo()
self.assertEqual(xxo.x_exports, 0)
b1 = memoryview(xxo)
self.assertEqual(xxo.x_exports, 1)
b2 = memoryview(xxo)
self.assertEqual(xxo.x_exports, 2)
b1[0] = 1
self.assertEqual(b1[0], 1)
self.assertEqual(b2[0], 1)
class TestXXLimited35(CommonTests, unittest.TestCase):
module = xxlimited_35
def test_xxo_demo(self):
xxo = self.module.Xxo()
other = self.module.Xxo()
self.assertEqual(xxo.demo("abc"), "abc")
self.assertEqual(xxo.demo(0), None)
def test_roj(self):
# the roj function always fails
with self.assertRaises(SystemError):
self.module.roj(0)
def test_null(self):
null1 = self.module.Null()
null2 = self.module.Null()
self.assertNotEqual(null1, null2)