1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <strstream> 10 11 // class strstream 12 13 // strstream(); 14 15 #include <strstream> 16 #include <cassert> 17 #include <cstring> 18 #include <string> 19 20 #include "test_macros.h" 21 main(int,char **)22int main(int, char**) 23 { 24 std::strstream inout; 25 int i = 123; 26 double d = 4.5; 27 std::string s("dog"); 28 inout << i << ' ' << d << ' ' << s << std::ends; 29 assert(inout.str() == std::string("123 4.5 dog")); 30 i = 0; 31 d = 0; 32 s = ""; 33 inout >> i >> d >> s; 34 assert(i == 123); 35 assert(d == 4.5); 36 assert(std::strcmp(s.c_str(), "dog") == 0); 37 inout.freeze(false); 38 39 return 0; 40 } 41