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 // basic_ostringstream& operator=(basic_ostringstream&& rhs); 16 17 #include <sstream> 18 #include <cassert> 19 main()20int main() 21 { 22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 { 24 std::ostringstream ss0(" 123 456"); 25 std::ostringstream ss; 26 ss = std::move(ss0); 27 assert(ss.rdbuf() != 0); 28 assert(ss.good()); 29 assert(ss.str() == " 123 456"); 30 int i = 234; 31 ss << i << ' ' << 567; 32 assert(ss.str() == "234 5676"); 33 } 34 { 35 std::wostringstream ss0(L" 123 456"); 36 std::wostringstream ss; 37 ss = std::move(ss0); 38 assert(ss.rdbuf() != 0); 39 assert(ss.good()); 40 assert(ss.str() == L" 123 456"); 41 int i = 234; 42 ss << i << ' ' << 567; 43 assert(ss.str() == L"234 5676"); 44 } 45 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 46 } 47