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File: //usr/local/rvm/src/ruby-2.5.9/test/psych/test_nil.rb
# frozen_string_literal: true
require_relative 'helper'

module Psych
  class TestNil < TestCase
    def test_nil
      yml = Psych.dump nil
      assert_match(/---[ ]?\n(?:\.\.\.\n)?/, yml)
      assert_nil Psych.load(yml)
    end

    def test_array_nil
      yml = Psych.dump [nil]
      assert_match(/---\n-[ ]?\n/, yml)
      assert_equal [nil], Psych.load(yml)
    end

  end
end