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-rw-r--r--test/test_pp.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/test_pp.rb b/test/test_pp.rb
index 4736bff..3262417 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