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-rw-r--r--Lib/test/test_sys.py27
1 files changed, 12 insertions, 15 deletions
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 448fd3f..e09601f 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -495,24 +495,21 @@ class SysModuleTest(unittest.TestCase):
self.assertRaises(TypeError, sys.intern, S("abc"))
- def test_main_invalid_unicode(self):
- import locale
+ def test_undecodable_code(self):
non_decodable = b"\xff"
- encoding = locale.getpreferredencoding()
- try:
- non_decodable.decode(encoding)
- except UnicodeDecodeError:
- pass
- else:
- self.skipTest('%r is decodable with encoding %s'
- % (non_decodable, encoding))
- code = b'print(ascii("' + non_decodable + b'"))'
- p = subprocess.Popen([sys.executable, "-c", code], stderr=subprocess.PIPE)
+ env = os.environ.copy()
+ env['LANG'] = 'C'
+ code = b'import locale; '
+ code += b'print(ascii("' + non_decodable + b'"), locale.getpreferredencoding())'
+ p = subprocess.Popen(
+ [sys.executable, "-c", code],
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+ env=env)
stdout, stderr = p.communicate()
- self.assertEqual(p.returncode, 1)
pattern = b"Unable to decode the command from the command line:"
- if not stderr.startswith(pattern):
- raise AssertionError("%a doesn't start with %a" % (stderr, pattern))
+ if not stdout.startswith(pattern):
+ raise AssertionError("%a doesn't start with %a" % (stdout, pattern))
+ self.assertEqual(p.returncode, 1)
def test_sys_flags(self):
self.assertTrue(sys.flags)