libcxx/test/std/strings/basic.string/string.capacity/over_max_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 // UNSUPPORTED: no-exceptions
  10 // XFAIL: with_system_cxx_lib=macosx10.11
  11 // XFAIL: with_system_cxx_lib=macosx10.10
  12 // XFAIL: with_system_cxx_lib=macosx10.9
  13
  14 // <string>
  15
  16 // size_type max_size() const;
  17
  18 #include <string>
  19 #include <cassert>
  20 #include <stdexcept>
  21
  22 #include "test_macros.h"
  23 #include "min_allocator.h"
  24
  25 template <class S>
  26 void
  27 test(const S& s)
  28 {
  29     assert(s.max_size() >= s.size());
  30     S s2(s);
  31     const size_t sz = s2.max_size() + 1;
  32     try { s2.resize(sz, 'x'); }
  33     catch ( const std::length_error & ) { return ; }
  34     assert ( false );
  35 }
  36
  37 int main(int, char**)
  38 {
  39     {
  40     typedef std::string S;
  41     test(S());
  42     test(S("123"));
  43     test(S("12345678901234567890123456789012345678901234567890"));
  44     }
  45 #if TEST_STD_VER >= 11
  46     {
  47     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
  48     test(S());
  49     test(S("123"));
  50     test(S("12345678901234567890123456789012345678901234567890"));
  51     }
  52 #endif
  53
  54   return 0;
  55 }