/test/lib/numeric/number/test_number13.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_NUMBER13
 5   -- tests on limits...
 6
 7insert
 8   EIFFELTEST_TOOLS
 9   PLATFORM
10   NUMBER_TOOLS
11
12create {}
13   make
14
15feature {ANY}
16   make
17      local
18         n1, n2: NUMBER
19      do
20         -- to_integer
21         n1 := from_integer(2)
22         assert(n1.to_integer_32 = 2)
23         n1 := n1 @- 2
24         assert(n1.to_integer_32 = 0)
25         n1 := n1 @- 1
26         assert(n1.to_integer_32 = -1)
27         -- maximum_integer & minimum_integer
28         n1 := from_integer(Maximum_integer)
29         assert(n1.to_integer_32 = Maximum_integer)
30         n1 := n1 @+ 1
31         assert(n1 @- 1 @= Maximum_integer)
32         n2 := n1 @- 1
33         assert(n2.to_integer_32 = Maximum_integer)
34         n1 := from_integer(Minimum_integer)
35         assert(n1.to_integer_32 = Minimum_integer)
36         n1 := n1 @- 1
37         assert(n1 @+ 1 @= Minimum_integer)
38         n2 := n1 @+ 1
39         assert(n2.to_integer_32 = Minimum_integer)
40      end
41
42
43
44end -- class TEST_NUMBER13
45--
46-- ------------------------------------------------------------------------------------------------------------------------------
47-- Copyright notice below. Please read.
48--
49-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
50-- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
51-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
52-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
53-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
54-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
55--
56-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
57-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
58--
59-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
60--
61-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
62-- ------------------------------------------------------------------------------------------------------------------------------