[ripper] fail unless got warning as expected

nobu · nobu · commit 7f29e34f35d6 · 2020-06-24T19:52:39.000+09:00
diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
@@ -27,10 +27,12 @@ def compile_error(str)
 
   def warning(str)
     parse(str, :warning) {|e, *args| return args}
+    assert(false, "warning expected")
   end
 
   def warn(str)
     parse(str, :warn) {|e, *args| return args}
+    assert(false, "warning expected")
   end
 
   def test_program
