1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <sstream> 11 12 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 13 // class basic_ostringstream 14 15 // void str(const basic_string<charT,traits,Allocator>& s); 16 17 #include <sstream> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 std::ostringstream ss(" 123 456"); 24 assert(ss.rdbuf() != 0); 25 assert(ss.good()); 26 assert(ss.str() == " 123 456"); 27 int i = 0; 28 ss << i; 29 assert(ss.str() == "0123 456"); 30 ss << 456; 31 assert(ss.str() == "0456 456"); 32 ss.str(" 789"); 33 assert(ss.str() == " 789"); 34 ss << "abc"; 35 assert(ss.str() == "abc9"); 36 } 37 { 38 std::wostringstream ss(L" 123 456"); 39 assert(ss.rdbuf() != 0); 40 assert(ss.good()); 41 assert(ss.str() == L" 123 456"); 42 int i = 0; 43 ss << i; 44 assert(ss.str() == L"0123 456"); 45 ss << 456; 46 assert(ss.str() == L"0456 456"); 47 ss.str(L" 789"); 48 assert(ss.str() == L" 789"); 49 ss << L"abc"; 50 assert(ss.str() == L"abc9"); 51 } 52 } 53
