import unittest, os, errno import threading from ctypes import * from ctypes.util import find_library class Test(unittest.TestCase): def test_open(self): libc_name = find_library("c") if libc_name is None: raise unittest.SkipTest("Unable to find C library") 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.assertEqual(libc_open(b"", 0), -1) self.assertEqual(get_errno(), errno.ENOENT) self.assertEqual(set_errno(32), errno.ENOENT) self.assertEqual(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.assertEqual(libc_open(b"", 0), -1) self.assertEqual(get_errno(), 0) t = threading.Thread(target=_worker) t.start() t.join() self.assertEqual(get_errno(), 32) set_errno(0) @unittest.skipUnless(os.name == "nt", 'Test specific to Windows') def test_GetLastError(self): dll = WinDLL("kernel32", use_last_error=True) GetModuleHandle = dll.GetModuleHandleA GetModuleHandle.argtypes = [c_wchar_p] self.assertEqual(0, GetModuleHandle("foo")) self.assertEqual(get_last_error(), 126) self.assertEqual(set_last_error(32), 126) self.assertEqual(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.assertEqual(get_last_error(), 0) t = threading.Thread(target=_worker) t.start() t.join() self.assertEqual(get_last_error(), 32) set_last_error(0) if __name__ == "__main__": unittest.main() SIMPAN PERUBAHAN