1require 'psych/helper' 2 3module Psych 4 class TestNil < TestCase 5 def test_nil 6 yml = Psych.dump nil 7 assert_match(/--- \n(?:\.\.\.\n)?/, yml) 8 assert_nil Psych.load(yml) 9 end 10 11 def test_array_nil 12 yml = Psych.dump [nil] 13 assert_equal "---\n- \n", yml 14 assert_equal [nil], Psych.load(yml) 15 end 16 17 end 18end 19