From 32e06811565cd8ed34fd980dc45157958e99bee1 Mon Sep 17 00:00:00 2001
From: "R. David Murray" <rdmurray@bitdance.com>
Date: Sat, 26 Jun 2010 00:06:44 +0000
Subject: [PATCH] #4640: add a test to optparse that proves issue is invalid.

---
 Lib/test/test_optparse.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index 162e9ddef5..3cc142627d 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -764,6 +764,11 @@ class TestStandard(BaseTest):
                            {'a': "-b3", 'boo': None, 'foo': None},
                            [])
 
+    def test_combined_single_invalid_option(self):
+        self.parser.add_option("-t", action="store_true")
+        self.assertParseFail(["-test"],
+                          "no such option: -e")
+
 class TestBool(BaseTest):
     def setUp(self):
         options = [make_option("-v",
-- 
2.50.1