/test/lib/numeric/number/test_number20.e

http://github.com/tybor/Liberty · Specman e · 53 lines · 22 code · 6 blank · 25 comment · 0 complexity · d27870c69ec2118802bbe87c3b2edd42 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_NUMBER20
  5. -- tests on "to_double"
  6. insert
  7. EIFFELTEST_TOOLS
  8. NUMBER_TOOLS
  9. create {}
  10. make
  11. feature {ANY}
  12. make
  13. local
  14. n: NUMBER; d: REAL_64
  15. do
  16. n := from_integer(0)
  17. assert(n.force_to_real_64 = 0)
  18. n := from_integer(1)
  19. assert(n.force_to_real_64 = 1)
  20. n := from_string("4/2")
  21. assert(n.force_to_real_64 = 2)
  22. n := from_string("6/10")
  23. d := n.force_to_real_64
  24. -- Relaxed test (this kind of problem should be fixed one
  25. -- day when we'll have better REAL notation):
  26. -- Original test: assert(d = 0.6 )
  27. assert(d.in_range(0.59, 0.61))
  28. end
  29. end -- class TEST_NUMBER20
  30. --
  31. -- ------------------------------------------------------------------------------------------------------------------------------
  32. -- Copyright notice below. Please read.
  33. --
  34. -- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
  35. -- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
  36. -- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
  37. -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
  38. -- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
  39. -- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  40. --
  41. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE
  42. -- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
  43. --
  44. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
  45. --
  46. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
  47. -- ------------------------------------------------------------------------------------------------------------------------------