/test/lib/numeric/integer/test_integer10.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_INTEGER10
 5
 6insert EIFFELTEST_TOOLS
 7   
 8create {}
 9   make
10
11feature {ANY}
12   make
13      local
14         i: INTEGER
15      do
16         -- Generated C code is correct, but gcc emits a warning when 
17         -- compiled with boost:
18         -- test_integer101.c:1673: warning: suggest parentheses around + or - in operand of &
19         -- It is right that code is more readable with parentheses around +
20         i := 15
21         i := (i + 3) & ~3 -- smallest multiple of 4 not lower than initial value
22         assert(i = 16)
23
24         i := 10
25         i := 1 + i & ~3
26         assert(i = 9)
27      end
28
29end -- class TEST_INTEGER10
30--
31-- ------------------------------------------------------------------------------------------------------------------------------
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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-- ------------------------------------------------------------------------------------------------------------------------------