Add test for ``class B1(): pass``.

diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 7f5d10d1e59bce178873893e9fd96150e4f403b4..1b4a506844d14ea0e0071e792b01263680b802b0 100644 (file)
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -685,8 +685,9 @@ x = 123
 ### testlist: test (',' test)* [',']
 # These have been exercised enough above
 
-print 'classdef' # 'class' NAME ['(' testlist ')'] ':' suite
+print 'classdef' # 'class' NAME ['(' [testlist] ')'] ':' suite
 class B: pass
+class B2(): pass
 class C1(B): pass
 class C2(B): pass
 class D(C1, C2, B): pass