/test/lib/numeric/number/test_number09.e

http://github.com/tybor/Liberty · Specman e · 64 lines · 26 code · 6 blank · 32 comment · 0 complexity · 4f5c9e1545afdf924d7c2c3ea13d68d9 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_NUMBER09
    5. 

  5.    -- some strange examples of calculations between numbers
    6. 

  6.    -- properties of additions, multiplications...
    7. 

  7. 

  8. insert
    9. 

  9.    EIFFELTEST_TOOLS
    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, n3, n4: NUMBER
    19. 

  19.       do
    20. 

  20.          -- SMALL_INTEGER
    21. 

  21.          n1 := from_integer(10)
    22. 

  22.          n2 := from_integer(2)
    23. 

  23.          n3 := from_integer(-1)
    24. 

  24.          n4 := from_integer(11)
    25. 

  25.          -- between numbers...
    26. 

  26.          assert((n1 + n2 + n3 + n4).is_equal(n4 * n2))
    27. 

  27.          assert((n1 - n2 - n3 - n4).is_equal(n3 * n2))
    28. 

  28.          assert((n1 / n2 * (n3 + n4)).is_equal((n3 + n4) * n1 / n2))
    29. 

  29.          -- between numbers and integers...
    30. 

  30.          assert((n1 * n2 * n3 * n4) @= -220)
    31. 

  31.          assert((n1 / n2 / n3) @= -5)
    32. 

  32.          assert((n1 * (n3 + n4)) @= 100)
    33. 

  33.          assert((n1 * (n3 + n4) * n2) @= 200)
    34. 

  34.          assert((n1 / n2 * (n3 + n4)) @= 50)
    35. 

  35.          -- if this go on, then all must go on :)
    36. 

  36.          assert((n1 / n2 * (n1 * n2) / ((n3 + n4) * ((n1 + n3 - n3) * (n2 / n2)))) @= 1)
    37. 

  37.          -- (5 * 20) / (10 * 10)
    38. 

  38.          -- LARGE_POSITIVE_INTEGER
    39. 

  39.          --...
    40. 

  40.          -- LARGE_NEGATIVE_INTEGER
    41. 

  41.          --...
    42. 

  42.       end
    43. 

  43. 

  44. 

  45. 

  46. end -- class TEST_NUMBER09
    47. 

  47. --
    48. 

  48. -- ------------------------------------------------------------------------------------------------------------------------------
    49. 

  49. -- Copyright notice below. Please read.
    50. 

  50. --
    51. 

  51. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
    52. 

  52. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
    53. 

  53. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
    54. 

  54. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
    55. 

  55. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
    56. 

  56. -- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
    57. 

  57. --
    58. 

  58. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
    59. 

  59. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
    60. 

  60. --
    61. 

  61. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
    62. 

  62. --
    63. 

  63. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
    64. 

  64. -- ------------------------------------------------------------------------------------------------------------------------------
    65.