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/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--
 4class TEST_NUMBER20
 5   -- tests on "to_double"
 6
 7insert
 8   EIFFELTEST_TOOLS
 9   NUMBER_TOOLS
10
11create {}
12   make
13
14feature {ANY}
15   make
16      local
17         n: NUMBER; d: REAL_64
18      do
19         n := from_integer(0)
20         assert(n.force_to_real_64 = 0)
21         n := from_integer(1)
22         assert(n.force_to_real_64 = 1)
23         n := from_string("4/2")
24         assert(n.force_to_real_64 = 2)
25         n := from_string("6/10")
26         d := n.force_to_real_64
27         -- Relaxed test (this kind of problem should be fixed one
28         -- day when we'll have better REAL notation):
29         -- Original test: assert(d = 0.6 )
30         assert(d.in_range(0.59, 0.61))
31      end
32
33
34
35end -- class TEST_NUMBER20
36--
37-- ------------------------------------------------------------------------------------------------------------------------------
38-- Copyright notice below. Please read.
39--
40-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
41-- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
42-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
43-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
44-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
45-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
46--
47-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
48-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
49--
50-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
51--
52-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
53-- ------------------------------------------------------------------------------------------------------------------------------