libstdc++-v3/testsuite/26_numerics/valarray/27867.cc

   1 // Copyright (C) 2006 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // As a special exception, you may use this file as part of a free software
  20 // library without restriction.  Specifically, if other files instantiate
  21 // templates or use macros or inline functions from this file, or you compile
  22 // this file and link it with other files to produce an executable, this
  23 // file does not by itself cause the resulting executable to be covered by
  24 // the GNU General Public License.  This exception does not however
  25 // invalidate any other reasons why the executable file might be covered by
  26 // the GNU General Public License.
  27
  28 #include <valarray>
  29 #include <testsuite_hooks.h>
  30
  31 // libstdc++/27867
  32 void test01()
  33 {
  34   bool test __attribute__((unused)) = true;
  35
  36   std::valarray<int> v1(100, 1);
  37   std::valarray<int> v2(100, 1);
  38   std::valarray<bool> v3(true, 1);
  39
  40   std::valarray<bool> resl(1);
  41   resl = ((v1 == v2) == v3);
  42   VERIFY( resl[0] == true );
  43
  44   std::valarray<bool> resr(1);
  45   resr = (v3 == (v1 == v2));
  46   VERIFY( resr[0] == true );
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }