From: Victor Stinner <victor.stinner@gmail.com>
Date: Sat, 12 Jul 2014 09:03:53 +0000 (+0200)
Subject: Issue #21932: Skip test_os.test_large_read() on 32-bit system
X-Git-Tag: v3.5.0a1~1290
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5c6e6fc57e651711d92f470e68621cc8230e064c;p=thirdparty%2FPython%2Fcpython.git

Issue #21932: Skip test_os.test_large_read() on 32-bit system
---

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 5348b12bb38b..e669df833842 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -44,9 +44,9 @@ try:
 except ImportError:
     _winapi = None
 try:
-    from _testcapi import INT_MAX
+    from _testcapi import INT_MAX, PY_SSIZE_T_MAX
 except ImportError:
-    INT_MAX = 2 ** 31 - 1
+    INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
 
 from test.script_helper import assert_python_ok
 
@@ -124,6 +124,10 @@ class FileTests(unittest.TestCase):
             self.assertEqual(s, b"spam")
 
     @support.cpython_only
+    # Skip the test on 32-bit platforms: the number of bytes must fit in a
+    # Py_ssize_t type
+    @unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX,
+                         "needs INT_MAX < PY_SSIZE_T_MAX")
     @support.bigmemtest(size=INT_MAX + 10, memuse=1, dry_run=False)
     def test_large_read(self, size):
         with open(support.TESTFN, "wb") as fp: