1// 2004-01-30 Paolo Carlini <pcarlini@suse.de> 2 3// Copyright (C) 2004, 2009 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// 21.3.1 basic_string constructors. 21 22#include <iterator> 23#include <sstream> 24#include <cstdlib> 25#include <testsuite_hooks.h> 26 27using namespace std; 28 29wstring data(long len) 30{ 31 wstring ret; 32 for (long i = 0; i < len; ++i) 33 ret.push_back(L'a' + rand() % 26); 34 return ret; 35} 36 37void test01(int iter) 38{ 39 bool test __attribute__((unused)) = true; 40 41 for (long i = 0, j = 1; i < iter; ++i, j *= 3) 42 { 43 wistringstream isstr(data(j)); 44 45 wstring str((istreambuf_iterator<wchar_t>(isstr)), 46 istreambuf_iterator<wchar_t>()); 47 VERIFY( str == isstr.str() ); 48 } 49} 50 51int main() 52{ 53 test01(13); 54 return 0; 55} 56