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author | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2016-08-05 21:44:15 +0100 |
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committer | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2016-08-05 21:44:15 +0100 |
commit | 3d27a2eba1a45308cb43c3e187a772d44acb9c98 (patch) | |
tree | b7877908997d77cfd4ea27a216c983b87ec27366 /Lib/ctypes | |
parent | ef5ec12e92787600576ab9bac29c823de063b050 (diff) | |
parent | 1bb4607c45bf237bfaee1b99c1f65539b351cd7c (diff) | |
download | cpython-3d27a2eba1a45308cb43c3e187a772d44acb9c98.tar.gz |
Issue #20160: Merged fix from 3.4.
Diffstat (limited to 'Lib/ctypes')
-rw-r--r-- | Lib/ctypes/test/test_callbacks.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Lib/ctypes/test/test_callbacks.py b/Lib/ctypes/test/test_callbacks.py index 3824f7c9fd..8eac58f026 100644 --- a/Lib/ctypes/test/test_callbacks.py +++ b/Lib/ctypes/test/test_callbacks.py @@ -1,3 +1,4 @@ +import functools import unittest from ctypes import * from ctypes.test import need_symbol @@ -240,6 +241,40 @@ class SampleCallbacksTestCase(unittest.TestCase): self.assertEqual(result, callback(1.1*1.1, 2.2*2.2, 3.3*3.3, 4.4*4.4, 5.5*5.5)) + def test_callback_large_struct(self): + class Check: pass + + class X(Structure): + _fields_ = [ + ('first', c_ulong), + ('second', c_ulong), + ('third', c_ulong), + ] + + def callback(check, s): + check.first = s.first + check.second = s.second + check.third = s.third + + check = Check() + s = X() + s.first = 0xdeadbeef + s.second = 0xcafebabe + s.third = 0x0bad1dea + + CALLBACK = CFUNCTYPE(None, X) + dll = CDLL(_ctypes_test.__file__) + func = dll._testfunc_cbk_large_struct + func.argtypes = (X, CALLBACK) + func.restype = None + # the function just calls the callback with the passed structure + func(s, CALLBACK(functools.partial(callback, check))) + self.assertEqual(check.first, s.first) + self.assertEqual(check.second, s.second) + self.assertEqual(check.third, s.third) + self.assertEqual(check.first, 0xdeadbeef) + self.assertEqual(check.second, 0xcafebabe) + self.assertEqual(check.third, 0x0bad1dea) ################################################################ |