https://git.ruby-lang.org/ruby.git/commit/?id=7f29e34f35

From 7f29e34f35d63f0eda0f9adec12d5ec766c1b1b1 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 24 Jun 2020 19:50:51 +0900
Subject: [ripper] fail unless got warning as expected


diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index d61dba3..87bd0d4 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -27,10 +27,12 @@ class TestRipper::ParserEvents < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ripper/test_parser_events.rb#L27
 
   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
-- 
cgit v0.10.2


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