libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.cons/cscp_size.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 strstreambuf
  14
  15 // strstreambuf(const signed char* gnext_arg, streamsize n);
  16
  17 #include <strstream>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25         const signed char buf[] = "abcd";
  26         std::strstreambuf sb(buf, sizeof(buf));
  27         assert(sb.sgetc() == 'a');
  28         assert(sb.snextc() == 'b');
  29         assert(sb.snextc() == 'c');
  30         assert(sb.snextc() == 'd');
  31         assert(sb.snextc() == 0);
  32         assert(sb.snextc() == EOF);
  33     }
  34     {
  35         const signed char buf[] = "abcd";
  36         std::strstreambuf sb(buf, 0);
  37         assert(sb.sgetc() == 'a');
  38         assert(sb.snextc() == 'b');
  39         assert(sb.snextc() == 'c');
  40         assert(sb.snextc() == 'd');
  41         assert(sb.snextc() == EOF);
  42     }
  43
  44   return 0;
  45 }