1 files changed, 80 insertions, 0 deletions
diff --git a/lib/python2.7/ctypes/test/test_errno.py b/lib/python2.7/ctypes/test/test_errno.py
new file mode 100644
index 0000000..c7a5bf0
--- /dev/null
+++ b/lib/python2.7/ctypes/test/test_errno.py
@@ -0,0 +1,80 @@
+import unittest, os, errno
+from ctypes import *
+from ctypes.util import find_library
+from test import test_support
+try:
+    import threading
+except ImportError:
+    threading = None
+
+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("", 0), -1)
+        self.assertEqual(get_errno(), errno.ENOENT)
+
+        self.assertEqual(set_errno(32), errno.ENOENT)
+        self.assertEqual(get_errno(), 32)
+
+        if threading:
+            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("", 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()