libcxx/test/std/depr/depr.str.strstreams/depr.ostrstream/depr.ostrstream.cons/default.pass.cpp

   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 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
  10
  11 // <strstream>
  12
  13 // class ostrstream
  14
  15 // ostrstream();
  16
  17 #include <strstream>
  18 #include <cassert>
  19 #include <string>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  24 {
  25     std::ostrstream out;
  26     int i = 123;
  27     double d = 4.5;
  28     std::string s("dog");
  29     out << i << ' ' << d << ' ' << s << std::ends;
  30     assert(out.str() == std::string("123 4.5 dog"));
  31     out.freeze(false);
  32
  33   return 0;
  34 }