libcxx/test/std/depr/depr.str.strstreams/depr.istrstream/depr.istrstream.members/rdbuf.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 -D_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM
  10
  11 // <strstream>
  12
  13 // class istrstream
  14
  15 // strstreambuf* rdbuf() const;
  16
  17 #include <strstream>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25         const char buf[] = "123 4.5 dog";
  26         const std::istrstream in(buf);
  27         std::strstreambuf* sb = in.rdbuf();
  28         assert(sb->sgetc() == '1');
  29     }
  30
  31   return 0;
  32 }