/test/language/instruction/assignment/test_reverse_assignment.e

http://github.com/tybor/Liberty · Specman e · 63 lines · 33 code · 9 blank · 21 comment · 0 complexity · 0a447d1d0243a758db3bdaeed6a98776 MD5 · raw file 

    

  1. -- This file is part of SmartEiffel The GNU Eiffel Compiler Tools and Libraries.
    2. 

  2. -- See the Copyright notice at the end of this file.
    3. 

  3. --
    4. 

  4. class TEST_REVERSE_ASSIGNMENT
    5. 

  5. 

  6. insert
    7. 

  7.    EIFFELTEST_TOOLS
    8. 

  8. 

  9. create {}
    10. 

  10.    make
    11. 

  11. 

  12. feature {ANY}
    13. 

  13.    string: STRING
    14. 

  14. 

  15.    animal: ANIMAL
    16. 

  16. 

  17.    cat: CAT
    18. 

  18. 

  19.    dog: DOG
    20. 

  20. 

  21.    any_string: ABSTRACT_STRING
    22. 

  22. 

  23.    make
    24. 

  24.       do
    25. 

  25.          any_string := "foo"
    26. 

  26.          assert(any_string /= Void)
    27. 

  27.          string ?= any_string
    28. 

  28.          assert(string /= Void)
    29. 

  29.          assert(any_string = string)
    30. 

  30.          create dog
    31. 

  31.          animal := dog
    32. 

  32.          assert(dog = animal)
    33. 

  33.          cat ?= animal
    34. 

  34.          assert(cat = Void)
    35. 

  35.          create cat
    36. 

  36.          animal := cat
    37. 

  37.          assert(cat = animal)
    38. 

  38.          cat ?= animal
    39. 

  39.          assert(cat /= Void)
    40. 

  40.          animal := Void
    41. 

  41.          cat ?= animal
    42. 

  42.          assert(cat = Void)
    43. 

  43.       end
    44. 

  44. 

  45. end -- class TEST_REVERSE_ASSIGNMENT
    46. 

  46. --
    47. 

  47. -- ------------------------------------------------------------------------------------------------------------------------------
    48. 

  48. -- Copyright notice below. Please read.
    49. 

  49. --
    50. 

  50. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
    51. 

  51. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
    52. 

  52. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
    53. 

  53. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
    54. 

  54. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
    55. 

  55. -- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
    56. 

  56. --
    57. 

  57. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
    58. 

  58. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
    59. 

  59. --
    60. 

  60. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
    61. 

  61. --
    62. 

  62. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
    63. 

  63. -- ------------------------------------------------------------------------------------------------------------------------------
    64.