34 lines · 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-exception6//7//===----------------------------------------------------------------------===//8 9// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM10 11// <strstream>12 13// class ostrstream14 15// strstreambuf* rdbuf() const;16 17#include <strstream>18#include <cassert>19 20#include "test_macros.h"21 22int main(int, char**)23{24 {25 char buf[] = "123 4.5 dog";26 const std::ostrstream out(buf, 0);27 std::strstreambuf* sb = out.rdbuf();28 assert(sb->sputc('a') == 'a');29 assert(buf == std::string("a23 4.5 dog"));30 }31 32 return 0;33}34