1// { dg-options "-std=gnu++14" } 2 3// Copyright (C) 2013-2015 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// inserters 21 22// NB: This file is predicated on sstreams, istreams, and ostreams 23// working, not to mention other major details like char_traits, and 24// all of the string_view class. 25 26#include <experimental/string_view> 27#include <sstream> 28#include <iomanip> 29#include <testsuite_hooks.h> 30 31void 32test09() 33{ 34 bool test [[gnu::unused]] = true; 35 36 std::experimental::wstring_view foo{L"peace\0\0\0& love"}; 37 38 std::wostringstream oss1; 39 oss1 << foo; 40 VERIFY( oss1.str() == foo ); 41 42 std::wostringstream oss2; 43 oss2.width(20); 44 oss2 << foo; 45 VERIFY( oss2.str() != foo ); 46 VERIFY( oss2.str().size() == 20 ); 47} 48 49int 50main() 51{ 52 test09(); 53 54 return 0; 55} 56