Issue #17119: Fixed integer overflows when processing large Unicode strings
and tuples in the tkinter module.
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index 3da87d9..3460262 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -3,6 +3,7 @@
import unittest
import sys
import os
+import _testcapi
from test import test_support
from subprocess import Popen, PIPE
@@ -245,8 +246,22 @@
self.assertEqual(split(arg), res)
+class BigmemTclTest(unittest.TestCase):
+
+ def setUp(self):
+ self.interp = Tcl()
+
+ @unittest.skipUnless(_testcapi.INT_MAX < _testcapi.PY_SSIZE_T_MAX,
+ "needs UINT_MAX < SIZE_MAX")
+ @test_support.precisionbigmemtest(size=_testcapi.INT_MAX + 1, memuse=5,
+ dry_run=False)
+ def test_huge_string(self, size):
+ value = ' ' * size
+ self.assertRaises(OverflowError, self.interp.call, 'set', '_', value)
+
+
def test_main():
- test_support.run_unittest(TclTest, TkinterTest)
+ test_support.run_unittest(TclTest, TkinterTest, BigmemTclTest)
if __name__ == "__main__":
test_main()