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

   1 // Copyright (C) 2006-2018 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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 #include <valarray>
  20 #include <testsuite_hooks.h>
  21
  22 // libstdc++/27867
  23 void test01()
  24 {
  25   std::valarray<int> v1(100, 1);
  26   std::valarray<int> v2(100, 1);
  27   std::valarray<bool> v3(true, 1);
  28
  29   std::valarray<bool> resl(1);
  30   resl = ((v1 == v2) == v3);
  31   VERIFY( resl[0] == true );
  32
  33   std::valarray<bool> resr(1);
  34   resr = (v3 == (v1 == v2));
  35   VERIFY( resr[0] == true );
  36 }
  37
  38 int main()
  39 {
  40   test01();
  41   return 0;
  42 }