晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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DIR:/opt/alt/ruby26/lib64/ruby/2.6.0/rdoc/markup/
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# frozen_string_literal: true
##
# Test case for creating new plain-text RDoc::Markup formatters.  See also
# RDoc::Markup::FormatterTestCase
#
# See test_rdoc_markup_to_rdoc.rb for a complete example.
#
# Example:
#
#  class TestRDocMarkupToNewTextFormat < RDoc::Markup::TextFormatterTestCase
#
#    add_visitor_tests
#    add_text_tests
#
#    def setup
#      super
#
#      @to = RDoc::Markup::ToNewTextFormat.new
#    end
#
#    def accept_blank_line
#      assert_equal :junk, @to.res.join
#    end
#
#    # ...
#
#  end

class RDoc::Markup::TextFormatterTestCase < RDoc::Markup::FormatterTestCase

  ##
  # Adds test cases to the calling TestCase.

  def self.add_text_tests
    self.class_eval do

      ##
      # Test case that calls <tt>@to.accept_heading</tt>

      def test_accept_heading_indent
        @to.start_accepting
        @to.indent = 3
        @to.accept_heading @RM::Heading.new(1, 'Hello')

        accept_heading_indent
      end

      ##
      # Test case that calls <tt>@to.accept_rule</tt>

      def test_accept_rule_indent
        @to.start_accepting
        @to.indent = 3
        @to.accept_rule @RM::Rule.new(1)

        accept_rule_indent
      end

      ##
      # Test case that calls <tt>@to.accept_verbatim</tt>

      def test_accept_verbatim_indent
        @to.start_accepting
        @to.indent = 2
        @to.accept_verbatim @RM::Verbatim.new("hi\n", " world\n")

        accept_verbatim_indent
      end

      ##
      # Test case that calls <tt>@to.accept_verbatim</tt> with a big indent

      def test_accept_verbatim_big_indent
        @to.start_accepting
        @to.indent = 2
        @to.accept_verbatim @RM::Verbatim.new("hi\n", "world\n")

        accept_verbatim_big_indent
      end

      ##
      # Test case that calls <tt>@to.accept_paragraph</tt> with an indent

      def test_accept_paragraph_indent
        @to.start_accepting
        @to.indent = 3
        @to.accept_paragraph @RM::Paragraph.new(('words ' * 30).strip)

        accept_paragraph_indent
      end

      ##
      # Test case that calls <tt>@to.accept_paragraph</tt> with a long line

      def test_accept_paragraph_wrap
        @to.start_accepting
        @to.accept_paragraph @RM::Paragraph.new(('words ' * 30).strip)

        accept_paragraph_wrap
      end

      ##
      # Test case that calls <tt>@to.attributes</tt> with an escaped
      # cross-reference.  If this test doesn't pass something may be very
      # wrong.

      def test_attributes
        assert_equal 'Dog', @to.attributes("\\Dog")
      end

    end
  end

end