/test/lib/numeric/number/test_number13.e

http://github.com/tybor/Liberty · Specman e · 62 lines · 32 code · 6 blank · 24 comment · 0 complexity · 33975efba948a234f2f1d26441b77123 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_NUMBER13
    5. 

  5.    -- tests on limits...
    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.          n1, n2: NUMBER
    19. 

  19.       do
    20. 

  20.          -- to_integer
    21. 

  21.          n1 := from_integer(2)
    22. 

  22.          assert(n1.to_integer_32 = 2)
    23. 

  23.          n1 := n1 @- 2
    24. 

  24.          assert(n1.to_integer_32 = 0)
    25. 

  25.          n1 := n1 @- 1
    26. 

  26.          assert(n1.to_integer_32 = -1)
    27. 

  27.          -- maximum_integer & minimum_integer
    28. 

  28.          n1 := from_integer(Maximum_integer)
    29. 

  29.          assert(n1.to_integer_32 = Maximum_integer)
    30. 

  30.          n1 := n1 @+ 1
    31. 

  31.          assert(n1 @- 1 @= Maximum_integer)
    32. 

  32.          n2 := n1 @- 1
    33. 

  33.          assert(n2.to_integer_32 = Maximum_integer)
    34. 

  34.          n1 := from_integer(Minimum_integer)
    35. 

  35.          assert(n1.to_integer_32 = Minimum_integer)
    36. 

  36.          n1 := n1 @- 1
    37. 

  37.          assert(n1 @+ 1 @= Minimum_integer)
    38. 

  38.          n2 := n1 @+ 1
    39. 

  39.          assert(n2.to_integer_32 = Minimum_integer)
    40. 

  40.       end
    41. 

  41. 

  42. 

  43. 

  44. end -- class TEST_NUMBER13
    45. 

  45. --
    46. 

  46. -- ------------------------------------------------------------------------------------------------------------------------------
    47. 

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

  48. --
    49. 

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

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

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

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

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

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

  55. --
    56. 

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

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

  58. --
    59. 

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

  60. --
    61. 

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

  62. -- ------------------------------------------------------------------------------------------------------------------------------
    63.