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-rw-r--r--test/visitors/test_yast_builder.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/visitors/test_yast_builder.rb b/test/visitors/test_yast_builder.rb
index 2832da9..e70713c 100644
--- a/test/visitors/test_yast_builder.rb
+++ b/test/visitors/test_yast_builder.rb
@@ -8,6 +8,12 @@ module Psych
@v = Visitors::YASTBuilder.new
end
+ def test_circular_list
+ a = []
+ 2.times { a << a }
+ assert_equal a.inspect, Psych.load(a.to_yaml).inspect
+ end
+
def test_scalar
assert_round_trip 'foo'
assert_round_trip ':foo'