// { dg-options "-std=gnu++11" } // Copyright (C) 2011-2016 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 // . #include #include void test01() { bool test __attribute__((unused)) = true; std::valarray a(1, 1), b(-1, 2); b.swap(a); VERIFY( b.size() == 1 && b[0] == 1 && a.size() == 2 && a[0] == -1 && a[1] == -1 ); } int main() { test01(); return 0; }