blob: 325dfd34b378f1a5f1cf417831db939b6054347f [file] [log] [blame]
// { dg-do run { target c++11 } }
// { dg-require-cstdint "" }
// { dg-require-little-endian "" }
//
// 2008-11-24 Edward M. Smith-Rowland <3dw4rd@verizon.net>
// 2012-08-28 Ulrich Drepper <drepper@gmail.com>, adapted for SFMT
//
// Copyright (C) 2008-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 26.4.3.2 Class template mersenne_twister_engine [rand.eng.mers]
// 26.4.2.2 Concept RandomNumberEngine [rand.concept.eng]
#include <sstream>
#include <ext/random>
#include <testsuite_hooks.h>
void
test01()
{
std::stringstream str;
__gnu_cxx::sfmt19937 u, v;
u(); // advance
str << u;
VERIFY( !(u == v) );
str >> v;
VERIFY( u == v );
for (unsigned i = 0; i < 1000; ++i)
VERIFY( u() == v() );
str.clear();
str << v;
u();
u();
u();
str >> u;
VERIFY( u == v );
for (unsigned i = 0; i < 1000; ++i)
VERIFY( u() == v() );
}
int main()
{
test01();
return 0;
}