libcxx/test/std/re/re.results/re.results.const/allocator.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 // <regex>
  10
  11 // class match_results<BidirectionalIterator, Allocator>
  12
  13 // match_results(const Allocator& a = Allocator());
  14
  15 #include <regex>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "test_allocator.h"
  20
  21 template <class CharT, class Allocator>
  22 void
  23 test(const Allocator& a)
  24 {
  25     std::match_results<const CharT*, Allocator> m(a);
  26     assert(m.size() == 0);
  27     assert(!m.ready());
  28     assert(m.get_allocator() == a);
  29 }
  30
  31 int main(int, char**)
  32 {
  33     test<char>(test_allocator<std::sub_match<const char*> >(3));
  34     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
  35
  36   return 0;
  37 }