libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/pcount.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 strstreambuf
  14
  15 // int pcount() const;
  16
  17 #include <strstream>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25         std::strstreambuf sb;
  26         assert(sb.pcount() == 0);
  27         assert(sb.sputc('a') == 'a');
  28         assert(sb.pcount() == 1);
  29         assert(sb.sputc(0) == 0);
  30         assert(sb.pcount() == 2);
  31         assert(sb.str() == std::string("a"));
  32         assert(sb.pcount() == 2);
  33         sb.freeze(false);
  34     }
  35
  36   return 0;
  37 }