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Viewing changes to Lib/ctypes/test/test_errno.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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Lib/ctypes/test/test_errno.py
 
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import unittest, os, errno
 
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from ctypes import *
 
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from ctypes.util import find_library
 
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import threading
 
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class Test(unittest.TestCase):
 
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    def test_open(self):
 
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        libc_name = find_library("c")
 
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        if libc_name is not None:
 
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            libc = CDLL(libc_name, use_errno=True)
 
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            if os.name == "nt":
 
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                libc_open = libc._open
 
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            else:
 
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                libc_open = libc.open
 
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            libc_open.argtypes = c_char_p, c_int
 
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            self.failUnlessEqual(libc_open("", 0), -1)
 
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            self.failUnlessEqual(get_errno(), errno.ENOENT)
 
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            self.failUnlessEqual(set_errno(32), errno.ENOENT)
 
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            self.failUnlessEqual(get_errno(), 32)
 
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            def _worker():
 
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                set_errno(0)
 
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                libc = CDLL(libc_name, use_errno=False)
 
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                if os.name == "nt":
 
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                    libc_open = libc._open
 
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                else:
 
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                    libc_open = libc.open
 
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                libc_open.argtypes = c_char_p, c_int
 
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                self.failUnlessEqual(libc_open("", 0), -1)
 
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                self.failUnlessEqual(get_errno(), 0)
 
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            t = threading.Thread(target=_worker)
 
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            t.start()
 
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            t.join()
 
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            self.failUnlessEqual(get_errno(), 32)
 
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            set_errno(0)
 
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    if os.name == "nt":
 
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        def test_GetLastError(self):
 
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            dll = WinDLL("kernel32", use_last_error=True)
 
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            GetModuleHandle = dll.GetModuleHandleA
 
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            GetModuleHandle.argtypes = [c_wchar_p]
 
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            self.failUnlessEqual(0, GetModuleHandle("foo"))
 
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            self.failUnlessEqual(get_last_error(), 126)
 
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            self.failUnlessEqual(set_last_error(32), 126)
 
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            self.failUnlessEqual(get_last_error(), 32)
 
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            def _worker():
 
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                set_last_error(0)
 
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                dll = WinDLL("kernel32", use_last_error=False)
 
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                GetModuleHandle = dll.GetModuleHandleW
 
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                GetModuleHandle.argtypes = [c_wchar_p]
 
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                GetModuleHandle("bar")
 
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                self.failUnlessEqual(get_last_error(), 0)
 
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            t = threading.Thread(target=_worker)
 
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            t.start()
 
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            t.join()
 
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            self.failUnlessEqual(get_last_error(), 32)
 
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            set_last_error(0)
 
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if __name__ == "__main__":
 
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    unittest.main()