libstdc++-v3/testsuite/26_numerics/random/linear_congruential_engine/operators/inequal.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2010-03-16  Paolo Carlini  <paolo.carlini@oracle.com>
   5 //
   6 // Copyright (C) 2010-2016 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 26.5.3.1 class template linear_congruential_engine [rand.eng.lcong]
  24
  25 #include <random>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32
  33   std::minstd_rand0 a;
  34   std::minstd_rand0 b;
  35   std::minstd_rand0 c(120);
  36
  37   VERIFY( a != c );
  38   VERIFY( !(a != b) );
  39 }
  40
  41 int main()
  42 {
  43   test01();
  44   return 0;
  45 }