test/syck/test_exception.rb


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require 'test/unit'
require 'yaml'

module Syck
  class TestException < Test::Unit::TestCase
    class Wups < Exception
      attr_reader :foo, :bar
      def initialize *args
        super
        @foo = 1
        @bar = 2
      end
    end

    def setup
      @wups = Wups.new
    end

    def test_to_yaml
      w = YAML.load(@wups.to_yaml)
      assert_equal @wups, w
      assert_equal 1, w.foo
      assert_equal 2, w.bar
    end

    def test_dump
      w = YAML.load(@wups.to_yaml)
      assert_equal @wups, w
      assert_equal 1, w.foo
      assert_equal 2, w.bar
    end

    def test_to_yaml_properties
      class << @wups
        def to_yaml_properties
          [:@foo]
        end
      end

      w = YAML.load(YAML.dump(@wups))
      assert_equal @wups, w
      assert_equal 1, w.foo
      assert_nil w.bar
    end
  end
end