Method test_disable_reflection

Lib/test/test_winreg.py:519–546

(self)

    @unittest.skipUnless(HAS_REFLECTION, "OS doesn't support reflection")
    def test_disable_reflection(self):
        # Make use of a key which gets redirected and reflected
        try:
            with CreateKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,
                             KEY_ALL_ACCESS | KEY_WOW64_32KEY) as created_key:
                # QueryReflectionKey returns whether or not the key is disabled
                disabled = QueryReflectionKey(created_key)
                self.assertEqual(type(disabled), bool)
                # HKCU\Software\Classes is reflected by default
                self.assertFalse(disabled)

                DisableReflectionKey(created_key)
                self.assertTrue(QueryReflectionKey(created_key))

            # The key is now closed and would normally be reflected to the
            # 64-bit area, but let's make sure that didn't happen.
            open_fail = lambda: OpenKeyEx(HKEY_CURRENT_USER,
                                          test_reflect_key_name, 0,
                                          KEY_READ | KEY_WOW64_64KEY)
            self.assertRaises(OSError, open_fail)

            # Make sure the 32-bit key is actually there
            with OpenKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,
                           KEY_READ | KEY_WOW64_32KEY) as key:
                self.assertNotEqual(key.handle, 0)
        finally:
            DeleteKeyEx(HKEY_CURRENT_USER, test_reflect_key_name,
                        KEY_WOW64_32KEY, 0)

    def test_exception_numbers(self):
        with self.assertRaises(FileNotFoundError) as ctx: