1 // 2001-05-24 Benjamin Kosnik <bkoz@redhat.com> 2 3 // Copyright (C) 2001-2021 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 // 27.7.6 member functions (stringstream_members) 21 22 #include <sstream> 23 #include <testsuite_hooks.h> 24 25 void test03()26test03() 27 { 28 // 29 // 1: Automatic formatting of a compound string 30 // 31 int i = 1024; 32 int *pi = &i; 33 double d = 3.14159; 34 double *pd = &d; 35 std::string blank; 36 std::ostringstream ostrst01; 37 std::ostringstream ostrst02(blank); 38 39 // No buffer, so should be created. 40 ostrst01 << "i: " << i << " i's address: " << pi << '\n' 41 << "d: " << d << " d's address: " << pd << std::endl; 42 // Buffer, so existing buffer should be overwritten. 43 ostrst02 << "i: " << i << " i's address: " << pi << '\n' 44 << "d: " << d << " d's address: " << pd << std::endl; 45 46 std::string msg01 = ostrst01.str(); 47 std::string msg02 = ostrst02.str(); 48 VERIFY( msg01 == msg02 ); 49 VERIFY( msg02 != blank ); 50 } 51 main()52int main() 53 { 54 test03(); 55 return 0; 56 } 57