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 FlatBufferFactory
  23         : TextFactory]
  24
  25         fun test_escape_to_c do
  26                 for f in factories do
  27                         assert f.create("abAB12<>&").escape_to_c       == "abAB12<>&"
  28                         assert f.create("\n\"'\\").escape_to_c         == "\\n\\\"\\'\\\\"
  29                         assert f.create("allo???!").escape_to_c        == "allo??\\?!"
  30                         assert f.create("??=??/??'??(??)").escape_to_c == "?\\?=?\\?/??\\'?\\?(?\\?)"
  31                         assert f.create("??!??<??>??-").escape_to_c    == "?\\?!?\\?<?\\?>?\\?-"
  32                 end
  33         end
  34 end
  35
  36 # A factory that creates instances of a particular implementation of `Text`
  37 interface TextFactory
  38
  39         # Create a `Text` instance from the specified string
  40         fun create(s: String): Text is abstract
  41 end
  42
  43
  44 class ConcatFactory
  45         super TextFactory
  46
  47         redef fun create(s) do return new Concat("", s)
  48 end
  49 class FlatBufferFactory
  50         super TextFactory
  51
  52         redef fun create(s) do return new FlatBuffer.from(s)
  53 end