#15180: Clarify posixpath.join() error message when mixing str & bytes
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py
index a7a3e4a..54de0cf 100644
--- a/Lib/test/test_posixpath.py
+++ b/Lib/test/test_posixpath.py
@@ -56,8 +56,15 @@
self.assertEqual(posixpath.join(b"/foo/", b"bar/", b"baz/"),
b"/foo/bar/baz/")
- self.assertRaises(TypeError, posixpath.join, b"bytes", "str")
- self.assertRaises(TypeError, posixpath.join, "str", b"bytes")
+ with self.assertRaises(TypeError) as e:
+ posixpath.join(b'bytes', 'str')
+ self.assertIn("Can't mix strings and bytes", e.args[0])
+ with self.assertRaises(TypeError) as e:
+ posixpath.join('str', b'bytes')
+ self.assertIn("Can't mix strings and bytes", e.args[0])
+ with self.assertRaises(TypeError) as e:
+ posixpath.join('str', bytearray(b'bytes'))
+ self.assertIn("Can't mix strings and bytes", e.args[0])
def test_split(self):
self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar"))