/test/lib/numeric/number/test_number68.e

http://github.com/tybor/Liberty · Specman e · 62 lines · 34 code · 6 blank · 22 comment · 0 complexity · 821f90b6bd668026ff0c42b90665264e 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_NUMBER68
  5. -- tests on "is_even"
  6. insert
  7. EIFFELTEST_TOOLS
  8. PLATFORM
  9. NUMBER_TOOLS
  10. create {}
  11. make
  12. feature {ANY}
  13. make
  14. local
  15. n: NUMBER
  16. do
  17. n := from_integer(0)
  18. assert(n.is_even)
  19. n := from_integer(1)
  20. assert(not n.is_even)
  21. n := from_integer(2)
  22. assert(n.is_even)
  23. n := from_integer(-1)
  24. assert(not n.is_even)
  25. n := from_integer(-2)
  26. assert(n.is_even)
  27. n := from_integer(Maximum_integer)
  28. n := n @+ 1000
  29. assert(not n.is_even)
  30. n := n @+ 1
  31. assert(n.is_even)
  32. n := from_integer(Minimum_integer)
  33. n := n @- 1000
  34. assert(n.is_even)
  35. n := n @- 1
  36. assert(not n.is_even)
  37. end
  38. end -- class TEST_NUMBER68
  39. --
  40. -- ------------------------------------------------------------------------------------------------------------------------------
  41. -- Copyright notice below. Please read.
  42. --
  43. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
  44. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
  45. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
  46. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
  47. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
  48. -- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  49. --
  50. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE
  51. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
  52. --
  53. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
  54. --
  55. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
  56. -- ------------------------------------------------------------------------------------------------------------------------------