1 files changed, 2 insertions, 0 deletions
diff --git a/test/t/hash.rb b/test/t/hash.rb
index 5403a5901..63029be42 100644
--- a/test/t/hash.rb
+++ b/test/t/hash.rb
@@ -351,11 +351,13 @@ end
 
 assert('Hash#inspect') do
   h = { "c" => 300, "a" => 100, "d" => 400, "c" => 300  }
+  h["recur"] = h
   ret = h.to_s
 
   assert_include ret, '"c"=>300'
   assert_include ret, '"a"=>100'
   assert_include ret, '"d"=>400'
+  assert_include ret, '"recur"=>{...}'
 end
 
 assert('Hash#rehash') do