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
  12
  13 import text
  14 intrude import ropes
  15
  16 class TestText
  17         test
  18
  19         private var factories: Collection[TextFactory] = [
  20                 new ConcatFactory,
  21                 new FlatBufferFactory
  22         : TextFactory]
  23
  24         fun test_escape_to_c is test do
  25                 for f in factories do
  26                         assert f.create("abAB12<>&").escape_to_c       == "abAB12<>&"
  27                         assert f.create("\n\"'\\").escape_to_c         == "\\n\\\"\\'\\\\"
  28                         assert f.create("allo???!").escape_to_c        == "allo??\\?!"
  29                         assert f.create("??=??/??'??(??)").escape_to_c == "?\\?=?\\?/??\\'?\\?(?\\?)"
  30                         assert f.create("??!??<??>??-").escape_to_c    == "?\\?!?\\?<?\\?>?\\?-"
  31                 end
  32         end
  33 end
  34
  35 # A factory that creates instances of a particular implementation of `Text`
  36 interface TextFactory
  37
  38         # Create a `Text` instance from the specified string
  39         fun create(s: String): Text is abstract
  40 end
  41
  42
  43 class ConcatFactory
  44         super TextFactory
  45
  46         redef fun create(s) do return new Concat("", s)
  47 end
  48 class FlatBufferFactory
  49         super TextFactory
  50
  51         redef fun create(s) do return new FlatBuffer.from(s)
  52 end