lib/core/text/test_abstract_text.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # This file is free software, which comes along with NIT.  This software is
   4 # distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   5 # without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A
   6 # PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
   7 # is kept unaltered, and a notification of the changes is added.
   8 # You  are  allowed  to  redistribute it and sell it, alone or is a part of
   9 # another product.
  10
  11 module test_abstract_text is test_suite
  12
  13 import test_suite
  14 import text
  15 intrude import ropes
  16
  17 class TestText
  18         super TestSuite
  19
  20         private var factories: Collection[TextFactory] = [
  21                 new ConcatFactory,
  22                 new RopeBufferFactory,
  23                 new FlatBufferFactory
  24         : TextFactory]
  25
  26         fun test_escape_to_c do
  27                 for f in factories do
  28                         assert f.create("abAB12<>&").escape_to_c       == "abAB12<>&"
  29                         assert f.create("\n\"'\\").escape_to_c         == "\\n\\\"\\'\\\\"
  30                         assert f.create("allo???!").escape_to_c        == "allo??\\?!"
  31                         assert f.create("??=??/??'??(??)").escape_to_c == "?\\?=?\\?/??\\'?\\?(?\\?)"
  32                         assert f.create("??!??<??>??-").escape_to_c    == "?\\?!?\\?<?\\?>?\\?-"
  33                 end
  34         end
  35 end
  36
  37 # A factory that creates instances of a particular implementation of `Text`
  38 interface TextFactory
  39
  40         # Create a `Text` instance from the specified string
  41         fun create(s: String): Text is abstract
  42 end
  43
  44
  45 class ConcatFactory
  46         super TextFactory
  47
  48         redef fun create(s) do return new Concat("", s)
  49 end
  50
  51 class RopeBufferFactory
  52         super TextFactory
  53
  54         redef fun create(s) do return new RopeBuffer.from(s)
  55 end
  56
  57 class FlatBufferFactory
  58         super TextFactory
  59
  60         redef fun create(s) do return new FlatBuffer.from(s)
  61 end