Issue #15989: Fix several occurrences of integer overflow
when result of PyLong_AsLong() narrowed to int without checks.
This is a backport of changesets 13e2e44db99d and 525407d89277.
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 5843b03..7f691d4 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -17,6 +17,7 @@
import tempfile
import unittest
import warnings
+import _testcapi
_DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(),
support.TESTFN + '-dummy-symlink')
@@ -537,6 +538,10 @@
except OSError:
pass
+ # Issue 15989
+ self.assertRaises(OverflowError, os.pipe2, _testcapi.INT_MAX + 1)
+ self.assertRaises(OverflowError, os.pipe2, _testcapi.UINT_MAX + 1)
+
def test_utime(self):
if hasattr(posix, 'utime'):
now = time.time()