Index: ctypes/test/test_wintypes.py
===================================================================
--- ctypes/test/test_wintypes.py	(revision 0)
+++ ctypes/test/test_wintypes.py	(revision 0)
@@ -0,0 +1,38 @@
+import unittest
+from ctypes import *
+from ctypes import wintypes
+
+class TestCase(unittest.TestCase):
+    def test_variant_bool(self):
+        # reads 16-bits from memory, anything non-zero is True
+        for true_value in (1, 32767, 32768, 65535, 65537):
+            true = POINTER(c_int16)(c_int16(true_value))
+            value = cast(true, POINTER(wintypes.VARIANT_BOOL))
+            self.assertEqual(repr(value.contents), 'VARIANT_BOOL(True)')
+        
+            vb = wintypes.VARIANT_BOOL()
+            self.assertEqual(vb.value, False)
+            vb.value = True
+            self.assertEqual(vb.value, True)
+            vb.value = true_value
+            self.assertEqual(vb.value, True)
+        
+        for false_value in (0, 65536, 262144, 2**33):
+            false = POINTER(c_int16)(c_int16(false_value))
+            value = cast(false, POINTER(wintypes.VARIANT_BOOL))
+            self.assertEqual(repr(value.contents), 'VARIANT_BOOL(False)')
+
+        # allow any bool conversion on assignment to value
+        for set_value in (65536, 262144, 2**33):
+            vb = wintypes.VARIANT_BOOL()
+            vb.value = set_value
+            self.assertEqual(vb.value, True)
+        
+        vb = wintypes.VARIANT_BOOL()
+        vb.value = [2,3]
+        self.assertEqual(vb.value, True)
+        vb.value = []
+        self.assertEqual(vb.value, False)
+        
+if __name__ == "__main__":
+    unittest.main()
Index: test/test_winreg.py
===================================================================
--- test/test_winreg.py	(revision 77967)
+++ test/test_winreg.py	(working copy)
@@ -185,6 +185,13 @@
         self.assertEqual(type(r), str)
         self.assertEqual(r, os.environ["windir"] + "\\test")
 
+    def testExceptionNumbers(self):
+        try:
+            QueryValue(HKEY_CLASSES_ROOT, 'some_value_that_does_not_exist')
+            self.fail('should throw')
+        except WindowsError as err:
+            self.assertEqual(err.errno, 2)
+
 def test_main():
     support.run_unittest(WinregTests)