/test/lib/numeric/integer/test_integer6.e

  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--
  4class TEST_INTEGER6
  5   --
  6   -- Balancing rule implies some weird stuff...
  7   --
  8
  9create {}
 10   make
 11
 12feature {ANY}
 13   make
 14      local
 15         a8, b8: INTEGER_8; a16: INTEGER_16; a32: INTEGER_32; a64: INTEGER_64
 16      do
 17         a8 := 0xff
 18         b8 := a8.bit_shift_right(1)
 19         assert(b8 = 0xff)
 20         a8 := 0xff
 21         b8 := a8.bit_shift_right_unsigned(1)
 22         assert(b8 = 0x7f)
 23         -- -----------------------------------------------------
 24         a16 := 0x00ff
 25         a8 := a16.low_8
 26         assert(a8 = 0xff)
 27         a8 := a16.high_8
 28         assert(a8 = 0x00)
 29         a16 := 0xffff
 30         a8 := a16.low_8
 31         assert(a8 = 0xff)
 32         a8 := a16.high_8
 33         assert(a8 = 0xff)
 34         a16 := 0xff7f
 35         a8 := a16.low_8
 36         assert(a8 = 0x7f)
 37         a8 := a16.high_8
 38         assert(a8 = 0xff)
 39         -- -----------------------------------------------------
 40         -- -----------------------------------------------------
 41         a32 := 0x0000ffff
 42         a16 := a32.low_16
 43         assert(a16 = 0xffff)
 44         a16 := a32.high_16
 45         assert(a16 = 0x0000)
 46         a32 := 0xffffffff
 47         a16 := a32.low_16
 48         assert(a16 = 0xffff)
 49         a16 := a32.high_16
 50         assert(a16 = 0xffff)
 51         a32 := 0xffff7fff
 52         a16 := a32.low_16
 53         assert(a16 = 0x7fff)
 54         a16 := a32.high_16
 55         assert(a16 = 0xffff)
 56         -- -----------------------------------------------------
 57         -- -----------------------------------------------------
 58         a64 := 0x00000000ffffffff
 59         a32 := a64.low_32
 60         assert(a32 = 0xffffffff)
 61         a32 := a64.high_32
 62         assert(a32 = 0x00000000)
 63         a64 := 0xffffffffffffffff
 64         a32 := a64.low_32
 65         assert(a32 = 0xffffffff)
 66         a32 := a64.high_32
 67         assert(a32 = 0xffffffff)
 68         a64 := 0xffffffff7fffffff
 69         a32 := a64.low_32
 70         assert(a32 = 0x7fffffff)
 71         a32 := a64.high_32
 72         assert(a32 = 0xffffffff)
 73         -- -----------------------------------------------------
 74      end
 75
 76   assert (b: BOOLEAN)
 77      do
 78         cpt := cpt + 1
 79         if not b then
 80            sedb_breakpoint
 81            std_output.put_string("TEST_INTEGER6: ERROR Test # ")
 82            std_output.put_integer(cpt)
 83            std_output.put_string("%N")
 84         end
 85      end
 86
 87   cpt: INTEGER
 88
 89end -- class TEST_INTEGER6
 90--
 91-- ------------------------------------------------------------------------------------------------------------------------------
 92-- Copyright notice below. Please read.
 93--
 94-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
 95-- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
 96-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
 97-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
 98-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
 99-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
100--
101-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
102-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
103--
104-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
105--
106-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
107-- ------------------------------------------------------------------------------------------------------------------------------