diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 57508c7..f23b254 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -7,6 +7,7 @@ import os
 import sys
 import subprocess
 import tempfile
+import time
 from test.script_helper import spawn_python, kill_python, assert_python_ok, assert_python_failure
 
 
@@ -259,6 +260,28 @@ class CmdLineTest(unittest.TestCase):
             "print(repr(input()))",
             b"'abc'")
 
+    def test_unmatched_quote(self):
+        # See http://bugs.python.org/issue10206
+
+        # Use a single unmatched quote as input
+        p = spawn_python('-c', "'")
+
+        try:
+            # Let it run for at most 20 sec
+            for i in range(20):
+                if p.poll():
+                    break
+                time.sleep(1)
+            else:
+                p.terminate()
+                p.wait()
+                raise AssertionError('Timeout')
+        finally:
+            p.stdin.close()
+            p.stdout.close()
+
+        self.assertNotEqual(p.returncode, 0)
+
 
 def test_main():
     test.support.run_unittest(CmdLineTest)