1// { dg-options "-std=gnu++11" } 2// { dg-require-cstdint "" } 3 4// 2010-03-19 Paolo Carlini <paolo.carlini@oracle.com> 5 6// Copyright (C) 2010-2015 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#include <algorithm> 24#include <random> 25#include <vector> 26#include <testsuite_hooks.h> 27 28void test01() 29{ 30 bool test __attribute__((unused)) = true; 31 32 for (unsigned size = 0; size < 50; ++size) 33 { 34 std::vector<int> vref(size); 35 std::iota(vref.begin(), vref.end(), 0); 36 std::vector<int> v1(vref), v2(vref); 37 38 std::ranlux48_base g1(size), g2(size + 1); 39 std::shuffle(v1.begin(), v1.end(), g1); 40 std::shuffle(v2.begin(), v2.end(), g2); 41 42 if (size >= 10) 43 { 44 VERIFY( !std::equal(v1.begin(), v1.end(), vref.begin()) ); 45 VERIFY( !std::equal(v2.begin(), v2.end(), vref.begin()) ); 46 VERIFY( !std::equal(v1.begin(), v1.end(), v2.begin()) ); 47 } 48 49 for (unsigned ind = 0; ind < size; ++ind) 50 { 51 auto it1 = std::find(v1.begin(), v1.end(), vref[ind]); 52 auto it2 = std::find(v2.begin(), v2.end(), vref[ind]); 53 VERIFY( it1 != v1.end() ); 54 VERIFY( it2 != v2.end() ); 55 v1.erase(it1); 56 v2.erase(it2); 57 } 58 VERIFY( v1.empty() ); 59 VERIFY( v2.empty() ); 60 } 61} 62 63int main() 64{ 65 test01(); 66 return 0; 67} 68