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