| import unittest |
| import ctypes |
| |
| try: |
| ctypes.c_wchar |
| except AttributeError: |
| pass |
| else: |
| import _ctypes_test |
| dll = ctypes.CDLL(_ctypes_test.__file__) |
| wcslen = dll.my_wcslen |
| wcslen.argtypes = [ctypes.c_wchar_p] |
| |
| |
| class UnicodeTestCase(unittest.TestCase): |
| def setUp(self): |
| self.prev_conv_mode = ctypes.set_conversion_mode("ascii", "strict") |
| |
| def tearDown(self): |
| ctypes.set_conversion_mode(*self.prev_conv_mode) |
| |
| def test_ascii_strict(self): |
| ctypes.set_conversion_mode("ascii", "strict") |
| # no conversions take place with unicode arguments |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("ab\u2070"), 3) |
| # string args are converted |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertRaises(ctypes.ArgumentError, wcslen, b"ab\xe4") |
| |
| def test_ascii_replace(self): |
| ctypes.set_conversion_mode("ascii", "replace") |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("ab\u2070"), 3) |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("ab\xe4"), 3) |
| |
| def test_ascii_ignore(self): |
| ctypes.set_conversion_mode("ascii", "ignore") |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("ab\u2070"), 3) |
| # ignore error mode skips non-ascii characters |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen(b"\xe4\xf6\xfc\xdf"), 0) |
| |
| def test_latin1_strict(self): |
| ctypes.set_conversion_mode("latin-1", "strict") |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("ab\u2070"), 3) |
| self.assertEqual(wcslen("abc"), 3) |
| self.assertEqual(wcslen("\xe4\xf6\xfc\xdf"), 4) |
| |
| def test_buffers(self): |
| ctypes.set_conversion_mode("ascii", "strict") |
| buf = ctypes.create_unicode_buffer("abc") |
| self.assertEqual(len(buf), 3+1) |
| |
| ctypes.set_conversion_mode("ascii", "replace") |
| buf = ctypes.create_unicode_buffer(b"ab\xe4\xf6\xfc") |
| self.assertEqual(buf[:], "ab\uFFFD\uFFFD\uFFFD\0") |
| self.assertEqual(buf[::], "ab\uFFFD\uFFFD\uFFFD\0") |
| self.assertEqual(buf[::-1], "\0\uFFFD\uFFFD\uFFFDba") |
| self.assertEqual(buf[::2], "a\uFFFD\uFFFD") |
| self.assertEqual(buf[6:5:-1], "") |
| |
| ctypes.set_conversion_mode("ascii", "ignore") |
| buf = ctypes.create_unicode_buffer(b"ab\xe4\xf6\xfc") |
| # is that correct? not sure. But with 'ignore', you get what you pay for.. |
| self.assertEqual(buf[:], "ab\0\0\0\0") |
| self.assertEqual(buf[::], "ab\0\0\0\0") |
| self.assertEqual(buf[::-1], "\0\0\0\0ba") |
| self.assertEqual(buf[::2], "a\0\0") |
| self.assertEqual(buf[6:5:-1], "") |
| |
| import _ctypes_test |
| func = ctypes.CDLL(_ctypes_test.__file__)._testfunc_p_p |
| |
| class StringTestCase(UnicodeTestCase): |
| def setUp(self): |
| self.prev_conv_mode = ctypes.set_conversion_mode("ascii", "strict") |
| func.argtypes = [ctypes.c_char_p] |
| func.restype = ctypes.c_char_p |
| |
| def tearDown(self): |
| ctypes.set_conversion_mode(*self.prev_conv_mode) |
| func.argtypes = None |
| func.restype = ctypes.c_int |
| |
| def test_ascii_replace(self): |
| ctypes.set_conversion_mode("ascii", "strict") |
| self.assertEqual(func("abc"), "abc") |
| self.assertEqual(func("abc"), "abc") |
| self.assertRaises(ctypes.ArgumentError, func, "ab\xe4") |
| |
| def test_ascii_ignore(self): |
| ctypes.set_conversion_mode("ascii", "ignore") |
| self.assertEqual(func("abc"), b"abc") |
| self.assertEqual(func("abc"), b"abc") |
| self.assertEqual(func("\xe4\xf6\xfc\xdf"), b"") |
| |
| def test_ascii_replace(self): |
| ctypes.set_conversion_mode("ascii", "replace") |
| self.assertEqual(func("abc"), b"abc") |
| self.assertEqual(func("abc"), b"abc") |
| self.assertEqual(func("\xe4\xf6\xfc\xdf"), b"????") |
| |
| def test_buffers(self): |
| ctypes.set_conversion_mode("ascii", "strict") |
| buf = ctypes.create_string_buffer("abc") |
| self.assertEqual(len(buf), 3+1) |
| |
| ctypes.set_conversion_mode("ascii", "replace") |
| buf = ctypes.create_string_buffer("ab\xe4\xf6\xfc") |
| self.assertEqual(buf[:], b"ab???\0") |
| self.assertEqual(buf[::], b"ab???\0") |
| self.assertEqual(buf[::-1], b"\0???ba") |
| self.assertEqual(buf[::2], b"a??") |
| self.assertEqual(buf[6:5:-1], b"") |
| |
| ctypes.set_conversion_mode("ascii", "ignore") |
| buf = ctypes.create_string_buffer("ab\xe4\xf6\xfc") |
| # is that correct? not sure. But with 'ignore', you get what you pay for.. |
| self.assertEqual(buf[:], b"ab\0\0\0\0") |
| self.assertEqual(buf[::], b"ab\0\0\0\0") |
| self.assertEqual(buf[::-1], b"\0\0\0\0ba") |
| |
| if __name__ == '__main__': |
| unittest.main() |