Fix test_errno to only check for error numbers that are defined by Standard C.

Lib/test/test_errno.py

@@ -7,61 +7,15 @@ import errno
 from test import test_support
 import unittest
 
-errors = ['E2BIG', 'EACCES', 'EADDRINUSE', 'EADDRNOTAVAIL', 'EADV',
-          'EAFNOSUPPORT', 'EAGAIN', 'EALREADY', 'EBADE', 'EBADF',
-          'EBADFD', 'EBADMSG', 'EBADR', 'EBADRQC', 'EBADSLT',
-          'EBFONT', 'EBUSY', 'ECHILD', 'ECHRNG', 'ECOMM',
-          'ECONNABORTED', 'ECONNREFUSED', 'ECONNRESET',
-          'EDEADLK', 'EDEADLOCK', 'EDESTADDRREQ', 'EDOTDOT', 'EDOM',
-          'EDQUOT', 'EEXIST', 'EFAULT', 'EFBIG', 'EHOSTDOWN',
-          'EHOSTUNREACH', 'EIDRM', 'EILSEQ', 'EINPROGRESS',
-          'EINTR', 'EINVAL', 'EIO', 'EISCONN', 'EISDIR', 'EISNAM',
-          'EL2HLT', 'EL2NSYNC', 'EL3HLT', 'EL3RST', 'ELIBACC',
-          'ELIBBAD', 'ELIBEXEC', 'ELIBMAX', 'ELIBSCN', 'ELNRNG',
-          'ELOOP', 'EMFILE', 'EMLINK', 'EMSGSIZE', 'EMULTIHOP',
-          'ENAMETOOLONG', 'ENAVAIL', 'ENETDOWN', 'ENETRESET', 'ENETUNREACH',
-          'ENFILE', 'ENOANO', 'ENOBUFS', 'ENOCSI', 'ENODATA',
-          'ENODEV', 'ENOENT', 'ENOEXEC', 'ENOLCK', 'ENOLINK',
-          'ENOMEM', 'ENOMSG', 'ENONET', 'ENOPKG', 'ENOPROTOOPT',
-          'ENOSPC', 'ENOSR', 'ENOSTR', 'ENOSYS', 'ENOTBLK',
-          'ENOTCONN', 'ENOTDIR', 'ENOTEMPTY', 'ENOTNAM', 'ENOTOBACCO', 'ENOTSOCK',
-          'ENOTTY', 'ENOTUNIQ', 'ENXIO', 'EOPNOTSUPP',
-          'EOVERFLOW', 'EPERM', 'EPFNOSUPPORT', 'EPIPE',
-          'EPROTO', 'EPROTONOSUPPORT', 'EPROTOTYPE',
-          'ERANGE', 'EREMCHG', 'EREMOTE', 'EREMOTEIO', 'ERESTART',
-          'EROFS', 'ESHUTDOWN', 'ESOCKTNOSUPPORT', 'ESPIPE',
-          'ESRCH', 'ESRMNT', 'ESTALE', 'ESTRPIPE', 'ETIME',
-          'ETIMEDOUT', 'ETOOMANYREFS', 'ETXTBSY', 'EUCLEAN', 'EUNATCH',
-          'EUSERS', 'EWOULDBLOCK', 'EXDEV', 'EXFULL',
-          'WSABASEERR', 'WSADESCRIPTIO', 'WSAEACCES', 'WSAEADDRINUSE',
-          'WSAEADDRNOTAVAIL', 'WSAEAFNOSUPPORT', 'WSAEALREADY',
-          'WSAEBADF', 'WSAECONNABORTED', 'WSAECONNREFUSED',
-          'WSAECONNRESET', 'WSAEDESTADDRREQ', 'WSAEDISCON',
-          'WSAEDQUOT', 'WSAEFAULT', 'WSAEHOSTDOWN', 'WSAEHOSTUNREACH',
-          'WSAEINPROGRESS', 'WSAEINTR', 'WSAEINVAL', 'WSAEISCONN',
-          'WSAELOOP', 'WSAEMFILE', 'WSAEMSGSIZE', 'WSAENAMETOOLONG',
-          'WSAENETDOWN', 'WSAENETRESET', 'WSAENETUNREACH',
-          'WSAENOBUFS', 'WSAENOPROTOOPT', 'WSAENOTCONN',
-          'WSAENOTEMPTY', 'WSAENOTSOCK', 'WSAEOPNOTSUPP',
-          'WSAEPFNOSUPPORT', 'WSAEPROCLIM', 'WSAEPROTONOSUPPORT',
-          'WSAEPROTOTYPE', 'WSAEREMOTE', 'WSAESHUTDOWN',
-          'WSAESOCKTNOSUPPORT', 'WSAESTALE', 'WSAETIMEDOUT',
-          'WSAETOOMANYREFS', 'WSAEUSERS', 'WSAEWOULDBLOCK',
-          'WSAGETASYNCBUFLE', 'WSAGETASYNCERRO', 'WSAGETSELECTERRO',
-          'WSAGETSELECTEVEN', 'WSAHOS', 'WSAMAKEASYNCREPL',
-          'WSAMAKESELECTREPL', 'WSAN', 'WSANOTINITIALISED', 'WSASY',
-          'WSASYSNOTREADY', 'WSATR', 'WSAVERNOTSUPPORTED']
-
+std_c_errors = frozenset(['EDOM', 'ERANGE'])
 
 class ErrnoAttributeTests(unittest.TestCase):
 
     def test_for_improper_attributes(self):
         # No unexpected attributes should be on the module.
-        errors_set = set(errors)
-        for attribute in errno.__dict__.iterkeys():
-            if attribute.isupper():
-                self.assert_(attribute in errors_set,
-                                "%s is an unexpected error value" % attribute)
+        for error_code in std_c_errors:
+            self.assert_(hasattr(errno, error_code),
+                            "errno is missing %s" % error_code)
 
     def test_using_errorcode(self):
         # Every key value in errno.errorcode should be on the module.