bpo-43591: Fix error location in interactive mode for errors at the end of the line (GH-24973)

Co-authored-by: Erlend Egeberg Aasland

1 files changed, 8 insertions, 2 deletions

diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index e87eede..25d3eec 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -851,13 +851,19 @@ class IgnoreEnvironmentTest(unittest.TestCase):
         )
 
 class SyntaxErrorTests(unittest.TestCase):
-    def test_tokenizer_error_with_stdin(self):
-        proc = subprocess.run([sys.executable, "-"], input = b"(1+2+3",
+    def check_string(self, code):
+        proc = subprocess.run([sys.executable, "-"], input=code,
                               stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         self.assertNotEqual(proc.returncode, 0)
         self.assertNotEqual(proc.stderr, None)
         self.assertIn(b"\nSyntaxError", proc.stderr)
 
+    def test_tokenizer_error_with_stdin(self):
+        self.check_string(b"(1+2+3")
+
+    def test_decoding_error_at_the_end_of_the_line(self):
+        self.check_string(b"'\u1f'")
+
 def test_main():
     support.run_unittest(CmdLineTest, IgnoreEnvironmentTest, SyntaxErrorTests)
     support.reap_children()