/test/lib/numeric/number/test_number11.e
Specman e | 57 lines | 26 code | 6 blank | 25 comment | 0 complexity | bf3c2652c33bd5af4cd220e2f77c5e8a 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-- 4class TEST_NUMBER11 5 -- some strange examples of calculations between numbers 6 -- large_positive_integer & large_negative_integer 7 8insert 9 EIFFELTEST_TOOLS 10 PLATFORM 11 NUMBER_TOOLS 12 13create {} 14 make 15 16feature {ANY} 17 make 18 local 19 n1, n2: NUMBER 20 do 21 -- large_positive_integer 22 n1 := from_integer(Maximum_integer) 23 n2 := n1 @+ 1000 24 assert((n1 @+ 1).is_equal(n1 @+ 3 @- 2)) 25 assert((n1 @+ 2).is_equal(n1 @+ 3 @- 1)) 26 assert((n1 @+ 100).is_equal(n1 @+ 200 @- 100)) 27 assert((n1 + n2).is_equal(n1 @* 2 @+ 1000)) 28 -- large_negative_integer 29 n1 := from_integer(Minimum_integer) 30 n2 := n1 @- 1000 31 assert((n1 @- 1).is_equal(n1 @- 3 @+ 2)) 32 assert((n1 @- 2).is_equal(n1 @- 3 @+ 1)) 33 assert((n1 @- 100).is_equal(n1 @- 200 @+ 100)) 34 assert((n1 + n2).is_equal(n1 @* 2 @- 1000)) 35 end 36 37 38 39end -- class TEST_NUMBER11 40-- 41-- ------------------------------------------------------------------------------------------------------------------------------ 42-- Copyright notice below. Please read. 43-- 44-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, 45-- as published by the Free Software Foundation; either version 2, or (at your option) any later version. 46-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty 47-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have 48-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free 49-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 50-- 51-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE 52-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE 53-- 54-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN 55-- 56-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr 57-- ------------------------------------------------------------------------------------------------------------------------------