Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: c7536c4ff5d0ec6924a135004a53b9f0463f3480 authored by Benjamin Peterson on 15 March 2012, 18:57:38 UTC
merge heads
merge heads
Tip revision: c7536c4
test_buffers.py
from ctypes import *
import unittest
class StringBufferTestCase(unittest.TestCase):
def test_buffer(self):
b = create_string_buffer(32)
self.assertEqual(len(b), 32)
self.assertEqual(sizeof(b), 32 * sizeof(c_char))
self.assertTrue(type(b[0]) is bytes)
b = create_string_buffer("abc")
self.assertEqual(len(b), 4) # trailing nul char
self.assertEqual(sizeof(b), 4 * sizeof(c_char))
self.assertTrue(type(b[0]) is bytes)
self.assertEqual(b[0], b"a")
self.assertEqual(b[:], b"abc\0")
self.assertEqual(b[::], b"abc\0")
self.assertEqual(b[::-1], b"\0cba")
self.assertEqual(b[::2], b"ac")
self.assertEqual(b[::5], b"a")
def test_string_conversion(self):
b = create_string_buffer("abc")
self.assertEqual(len(b), 4) # trailing nul char
self.assertEqual(sizeof(b), 4 * sizeof(c_char))
self.assertTrue(type(b[0]) is bytes)
self.assertEqual(b[0], b"a")
self.assertEqual(b[:], b"abc\0")
self.assertEqual(b[::], b"abc\0")
self.assertEqual(b[::-1], b"\0cba")
self.assertEqual(b[::2], b"ac")
self.assertEqual(b[::5], b"a")
try:
c_wchar
except NameError:
pass
else:
def test_unicode_buffer(self):
b = create_unicode_buffer(32)
self.assertEqual(len(b), 32)
self.assertEqual(sizeof(b), 32 * sizeof(c_wchar))
self.assertTrue(type(b[0]) is str)
b = create_unicode_buffer("abc")
self.assertEqual(len(b), 4) # trailing nul char
self.assertEqual(sizeof(b), 4 * sizeof(c_wchar))
self.assertTrue(type(b[0]) is str)
self.assertEqual(b[0], "a")
self.assertEqual(b[:], "abc\0")
self.assertEqual(b[::], "abc\0")
self.assertEqual(b[::-1], "\0cba")
self.assertEqual(b[::2], "ac")
self.assertEqual(b[::5], "a")
def test_unicode_conversion(self):
b = create_unicode_buffer("abc")
self.assertEqual(len(b), 4) # trailing nul char
self.assertEqual(sizeof(b), 4 * sizeof(c_wchar))
self.assertTrue(type(b[0]) is str)
self.assertEqual(b[0], "a")
self.assertEqual(b[:], "abc\0")
self.assertEqual(b[::], "abc\0")
self.assertEqual(b[::-1], "\0cba")
self.assertEqual(b[::2], "ac")
self.assertEqual(b[::5], "a")
if __name__ == "__main__":
unittest.main()