diff options
Diffstat (limited to 'test/test_pp.rb')
-rw-r--r-- | test/test_pp.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/test_pp.rb b/test/test_pp.rb index 4736bff149..3262417fba 100644 --- a/test/test_pp.rb +++ b/test/test_pp.rb @@ -184,6 +184,18 @@ class PPDelegateTest < Test::Unit::TestCase def test_delegate assert_equal("[]\n", A.new([]).pretty_inspect, "[ruby-core:25804]") end + + def test_delegate_cycle + a = HasPrettyPrint.new nil + + a.instance_eval {@a = a} + cycle_pretty_inspect = a.pretty_inspect + + a.instance_eval {@a = SimpleDelegator.new(a)} + delegator_cycle_pretty_inspect = a.pretty_inspect + + assert_equal(cycle_pretty_inspect, delegator_cycle_pretty_inspect) + end end class PPFileStatTest < Test::Unit::TestCase |