libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc

   1 // Copyright (C) 2015-2022 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++14 } }
  19 // { dg-require-effective-target net_ts_ip }
  20 // { dg-add-options net_ts }
  21
  22 #include <experimental/internet>
  23 #include <testsuite_hooks.h>
  24
  25 using namespace std::experimental::net;
  26
  27 void
  28 test01()
  29 {
  30   std::error_code ec;
  31   io_context ctx;
  32   ip::tcp::resolver resolv(ctx);
  33   ip::tcp::endpoint home{ip::address_v4::loopback(), 80};
  34   auto addrs = resolv.resolve(home, ec);
  35   VERIFY( !ec );
  36   VERIFY( addrs.size() == 1 );
  37   VERIFY( addrs.begin() != addrs.end() );
  38   VERIFY( ! addrs.empty() );
  39
  40   auto addrs2 = resolv.resolve(home);
  41   VERIFY( addrs == addrs2 );
  42 }
  43
  44 int
  45 main()
  46 {
  47   test01();
  48 }