JezK

Edit File: test_xchar.rb

#!/usr/bin/env ruby

#--
# Portions copyright 2004 by Jim Weirich (jim@weirichhouse.org).
# Portions copyright 2005 by Sam Ruby (rubys@intertwingly.net).
# All rights reserved.

# Permission is granted for use, copying, modification, distribution,
# and distribution of modified versions of this work as long as the
# above copyright notice is included.
#++

#!/usr/bin/env ruby

require 'test/unit'
require 'builder/xchar'

if String.method_defined?(:encode)
  class String
    ENCODING_BINARY = Encoding.find('BINARY')

# shim method for testing purposes
    def to_xs(escape=true)
      raise NameError.new('to_xs') unless caller[0].index(__FILE__)

result = Builder::XChar.encode(self)
      if escape
        result.gsub(/[^\u0000-\u007F]/) {|c| "&##{c.ord};"}
      else
        # really only useful for testing purposes
        result.force_encoding(ENCODING_BINARY)
      end
    end
  end
end

class TestXmlEscaping < Test::Unit::TestCase
  REPLACEMENT_CHAR = Builder::XChar::REPLACEMENT_CHAR.to_xs

def test_ascii
    assert_equal 'abc', 'abc'.to_xs
  end

def test_predefined
    assert_equal '&amp;', '&'.to_xs              # ampersand
    assert_equal '&lt;',  '<'.to_xs              # left angle bracket
    assert_equal '&gt;',  '>'.to_xs              # right angle bracket
  end

def test_invalid
    assert_equal REPLACEMENT_CHAR, "\x00".to_xs               # null
    assert_equal REPLACEMENT_CHAR, "\x0C".to_xs               # form feed
    assert_equal REPLACEMENT_CHAR, "\xEF\xBF\xBF".to_xs       # U+FFFF
  end

def test_iso_8859_1
    assert_equal '&#231;', "\xE7".to_xs          # small c cedilla
    assert_equal '&#169;', "\xA9".to_xs          # copyright symbol
  end

def test_win_1252
    assert_equal '&#8217;', "\x92".to_xs         # smart quote
    assert_equal '&#8364;', "\x80".to_xs         # euro
  end

def test_utf8
    assert_equal '&#8217;', "\xE2\x80\x99".to_xs # right single quote
    assert_equal '&#169;',  "\xC2\xA9".to_xs     # copy
  end
 
  def test_utf8_verbatim
    assert_equal "\xE2\x80\x99", "\xE2\x80\x99".to_xs(false)  # right single quote
    assert_equal "\xC2\xA9",  "\xC2\xA9".to_xs(false)         # copy
    assert_equal "\xC2\xA9&amp;\xC2\xA9",
      "\xC2\xA9&\xC2\xA9".to_xs(false)                        # copy with ampersand
  end
end

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