skip test on windows
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index 092c4a1..0350b3d 100644
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -652,6 +652,7 @@
         finally:
             s.close()
 
+    @unittest.skipIf(os.name == 'nt', 'cannot resize anonymous mmaps on Windows')
     def test_resize_past_pos(self):
         m = mmap.mmap(-1, 8192)
         self.addCleanup(m.close)