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require 'psych/helper'
module Psych
class TestNil < TestCase
def test_nil
yml = Psych.dump nil
assert_match /--- \n(?:\.\.\.\n)?/, yml
assert_equal nil, Psych.load(yml)
end
def test_array_nil
yml = Psych.dump [nil]
assert_equal "---\n- \n", yml
assert_equal [nil], Psych.load(yml)
end
end
end
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