* lib/yaml/types.rb: Likewise, pass self to YAML::quick_emit;

  merged from 1.9.

* 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];
  merged from 1.9.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@16082 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/yaml/test_yaml.rb b/test/yaml/test_yaml.rb
index 676310e6fc..023a8b96f5 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__