test/yaml/test_class.rb


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require 'test/unit'
require 'yaml'

module YAML
  class TestClass < Test::Unit::TestCase
    def test_to_yaml
      assert_raises(::TypeError) do
        TestClass.to_yaml
      end
    end

    def test_dump
      assert_raises(::TypeError) do
        YAML.dump TestClass
      end
    end
  end
end