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Add anchor order test. #126

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Add anchor order test. #126

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13 changes: 13 additions & 0 deletions test/psych/test_alias_and_anchor.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -92,5 +92,18 @@ def test_anchor_alias_round_trip_substring_with_ivars
assert_equal('test', el.var1)
end
end

def test_anchor_order_is_numerically_ascending
a = []
b = [a, a]
c = [b, b]
assert_equal(Psych.dump(c), <<EOYAML)
---
- &1
- &2 []
- *2
- *1
EOYAML
end
end
end