diff options
Diffstat (limited to 'test/psych/test_object.rb')
-rw-r--r-- | test/psych/test_object.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/psych/test_object.rb b/test/psych/test_object.rb index 9890d5072a..6145bb6ada 100644 --- a/test/psych/test_object.rb +++ b/test/psych/test_object.rb @@ -11,6 +11,14 @@ module Psych end end + class Foo + attr_accessor :parent + + def initialize parent + @parent = parent + end + end + class TestObject < TestCase def test_dump_with_tag tag = Tagged.new @@ -23,5 +31,14 @@ module Psych assert_equal tag.baz, tag2.baz assert_instance_of(Tagged, tag2) end + + def test_cyclic_references + foo = Foo.new(nil) + foo.parent = foo + loaded = Psych.load Psych.dump foo + + assert_instance_of(Foo, loaded) + assert_equal loaded, loaded.parent + end end end |