From 4dc29e295fd9fdff4fb20ab185def0bdd4d3a944 Mon Sep 17 00:00:00 2001
From: why <why@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 15 Nov 2007 17:54:32 +0000
Subject: * lib/yaml.rb (quick_emit): use combination of object_id and hash to 
  identify repeated object references, since GC will reuse memory of 
 objects during output of YAML. [ruby-Bugs-8548] [ruby-Bugs-3698]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/yaml/test_yaml.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/yaml/test_yaml.rb b/test/yaml/test_yaml.rb
index 393cbd760..ce367713f 100644
--- a/test/yaml/test_yaml.rb
+++ b/test/yaml/test_yaml.rb
@@ -1272,6 +1272,14 @@ EOY
       assert_equal([{}], o.keys)
     end
 
+    #
+    # contributed by riley lynch [ruby-Bugs-8548]
+    #
+    def test_object_id_collision
+      omap = YAML::Omap.new
+      1000.times { |i| omap["key_#{i}"] = { "value" => i } }
+      raise "id collision in ordered map" if omap.to_yaml =~ /id\d+/
+    end
 end
 
 if $0 == __FILE__
-- 
cgit