/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. -- See the Copyright notice at the end of this file.
  3. --
  4. class TEST_REVERSE_ASSIGNMENT
  5. insert
  6. EIFFELTEST_TOOLS
  7. create {}
  8. make
  9. feature {ANY}
  10. string: STRING
  11. animal: ANIMAL
  12. cat: CAT
  13. dog: DOG
  14. any_string: ABSTRACT_STRING
  15. make
  16. do
  17. any_string := "foo"
  18. assert(any_string /= Void)
  19. string ?= any_string
  20. assert(string /= Void)
  21. assert(any_string = string)
  22. create dog
  23. animal := dog
  24. assert(dog = animal)
  25. cat ?= animal
  26. assert(cat = Void)
  27. create cat
  28. animal := cat
  29. assert(cat = animal)
  30. cat ?= animal
  31. assert(cat /= Void)
  32. animal := Void
  33. cat ?= animal
  34. assert(cat = Void)
  35. end
  36. end -- class TEST_REVERSE_ASSIGNMENT
  37. --
  38. -- ------------------------------------------------------------------------------------------------------------------------------
  39. -- Copyright notice below. Please read.
  40. --
  41. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
  42. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
  43. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
  44. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
  45. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
  46. -- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  47. --
  48. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE
  49. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
  50. --
  51. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
  52. --
  53. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
  54. -- ------------------------------------------------------------------------------------------------------------------------------