skip test if resizing is not supported

diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index f8de8c2e63bb7100ecb28da4e3dd8102426e218b..b8a0135043f73cd1cbdc714148944628c52af565 100644 (file)
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -717,7 +717,10 @@ class MmapTests(unittest.TestCase):
         m = mmap.mmap(-1, 8192)
         self.addCleanup(m.close)
         m.read(5000)
-        m.resize(4096)
+        try:
+            m.resize(4096)
+        except SystemError:
+            self.skipTest("resizing not supported")
         self.assertEqual(m.read(14), b'')
         self.assertRaises(ValueError, m.read_byte,)
         self.assertRaises(ValueError, m.write_byte, 42)