#4640: add a test to optparse that proves issue is invalid.
diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index 162e9dd..3cc1426 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -764,6 +764,11 @@
{'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",