/Lib/ctypes/test/test_errno.py
http://unladen-swallow.googlecode.com/ · Python · 76 lines · 56 code · 20 blank · 0 comment · 7 complexity · 6db0aac0ddb46a19d708777dfef8be43 MD5 · raw file
- import unittest, os, errno
- from ctypes import *
- from ctypes.util import find_library
- import threading
- class Test(unittest.TestCase):
- def test_open(self):
- libc_name = find_library("c")
- if libc_name is not None:
- libc = CDLL(libc_name, use_errno=True)
- if os.name == "nt":
- libc_open = libc._open
- else:
- libc_open = libc.open
- libc_open.argtypes = c_char_p, c_int
- self.failUnlessEqual(libc_open("", 0), -1)
- self.failUnlessEqual(get_errno(), errno.ENOENT)
- self.failUnlessEqual(set_errno(32), errno.ENOENT)
- self.failUnlessEqual(get_errno(), 32)
- def _worker():
- set_errno(0)
- libc = CDLL(libc_name, use_errno=False)
- if os.name == "nt":
- libc_open = libc._open
- else:
- libc_open = libc.open
- libc_open.argtypes = c_char_p, c_int
- self.failUnlessEqual(libc_open("", 0), -1)
- self.failUnlessEqual(get_errno(), 0)
- t = threading.Thread(target=_worker)
- t.start()
- t.join()
- self.failUnlessEqual(get_errno(), 32)
- set_errno(0)
- if os.name == "nt":
- def test_GetLastError(self):
- dll = WinDLL("kernel32", use_last_error=True)
- GetModuleHandle = dll.GetModuleHandleA
- GetModuleHandle.argtypes = [c_wchar_p]
- self.failUnlessEqual(0, GetModuleHandle("foo"))
- self.failUnlessEqual(get_last_error(), 126)
- self.failUnlessEqual(set_last_error(32), 126)
- self.failUnlessEqual(get_last_error(), 32)
- def _worker():
- set_last_error(0)
- dll = WinDLL("kernel32", use_last_error=False)
- GetModuleHandle = dll.GetModuleHandleW
- GetModuleHandle.argtypes = [c_wchar_p]
- GetModuleHandle("bar")
- self.failUnlessEqual(get_last_error(), 0)
- t = threading.Thread(target=_worker)
- t.start()
- t.join()
- self.failUnlessEqual(get_last_error(), 32)
- set_last_error(0)
- if __name__ == "__main__":
- unittest.main()