PyObject_Dump() encodes unicode objects to utf8 with backslashreplace (instead
of strict) error handler to escape surrogates
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index abbd759..ecbc9db 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -145,6 +145,16 @@
"raise SystemExit(47)"])
self.assertEqual(rc, 47)
+ # test that the exit message is written with backslashreplace error
+ # handler to stderr
+ import subprocess
+ code = r'import sys; sys.exit("surrogates:\uDCFF")'
+ process = subprocess.Popen([sys.executable, "-c", code],
+ stderr=subprocess.PIPE)
+ stdout, stderr = process.communicate()
+ self.assertEqual(process.returncode, 1)
+ self.assertTrue(stderr.startswith(b"surrogates:\\udcff"), stderr)
+
def test_getdefaultencoding(self):
self.assertRaises(TypeError, sys.getdefaultencoding, 42)
# can't check more than the type, as the user might have changed it