| import unittest |
| |
| from ctypes import * |
| import _ctypes_test |
| |
| lib = CDLL(_ctypes_test.__file__) |
| |
| class LibTest(unittest.TestCase): |
| def test_sqrt(self): |
| lib.my_sqrt.argtypes = c_double, |
| lib.my_sqrt.restype = c_double |
| self.assertEqual(lib.my_sqrt(4.0), 2.0) |
| import math |
| self.assertEqual(lib.my_sqrt(2.0), math.sqrt(2.0)) |
| |
| def test_qsort(self): |
| comparefunc = CFUNCTYPE(c_int, POINTER(c_char), POINTER(c_char)) |
| lib.my_qsort.argtypes = c_void_p, c_size_t, c_size_t, comparefunc |
| lib.my_qsort.restype = None |
| |
| def sort(a, b): |
| return cmp(a[0], b[0]) |
| |
| chars = create_string_buffer("spam, spam, and spam") |
| lib.my_qsort(chars, len(chars)-1, sizeof(c_char), comparefunc(sort)) |
| self.assertEqual(chars.raw, " ,,aaaadmmmnpppsss\x00") |
| |
| if __name__ == "__main__": |
| unittest.main() |
