/test/lib/numeric/number/test_number05.e

http://github.com/tybor/Liberty · Specman e · 58 lines · 30 code · 6 blank · 22 comment · 0 complexity · 10eb842a0eec0128047d7b690bce71d9 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_NUMBER05
    5. 

  5.    -- tests on "is_negative"
    6. 

  6. 

  7. insert
    8. 

  8.    EIFFELTEST_TOOLS
    9. 

  9.    PLATFORM
    10. 

  10.    NUMBER_TOOLS
    11. 

  11. 

  12. create {}
    13. 

  13.    make
    14. 

  14. 

  15. feature {ANY}
    16. 

  16.    make
    17. 

  17.       local
    18. 

  18.          n: NUMBER
    19. 

  19.       do
    20. 

  20.          n := from_integer(0)
    21. 

  21.          assert(not n.is_negative)
    22. 

  22.          n := from_integer(1)
    23. 

  23.          assert(not n.is_negative)
    24. 

  24.          n := from_integer(-1)
    25. 

  25.          assert(n.is_negative)
    26. 

  26.          n := from_integer(Maximum_integer)
    27. 

  27.          n := n @+ 1000
    28. 

  28.          assert(not n.is_negative)
    29. 

  29.          n := from_integer(Minimum_integer)
    30. 

  30.          n := n @- 1000
    31. 

  31.          assert(n.is_negative)
    32. 

  32.          n := from_string("3/5")
    33. 

  33.          assert(not n.is_negative)
    34. 

  34.          n := from_string("-3/10")
    35. 

  35.          assert(n.is_negative)
    36. 

  36.       end
    37. 

  37. 

  38. 

  39. 

  40. end -- class TEST_NUMBER05
    41. 

  41. --
    42. 

  42. -- ------------------------------------------------------------------------------------------------------------------------------
    43. 

  43. -- Copyright notice below. Please read.
    44. 

  44. --
    45. 

  45. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
    46. 

  46. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
    47. 

  47. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
    48. 

  48. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
    49. 

  49. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
    50. 

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

  51. --
    52. 

  52. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
    53. 

  53. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
    54. 

  54. --
    55. 

  55. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
    56. 

  56. --
    57. 

  57. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
    58. 

  58. -- ------------------------------------------------------------------------------------------------------------------------------
    59.