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

   1 // Copyright (C) 2015-2020 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-add-options net_ts }
  20
  21 #include <experimental/internet>
  22 #include <testsuite_hooks.h>
  23
  24 using namespace std::experimental::net;
  25
  26 void
  27 test01()
  28 {
  29   bool test __attribute__((unused)) = false;
  30
  31   std::error_code ec;
  32   io_context ctx;
  33   ip::tcp::resolver resolv(ctx);
  34   auto addrs = resolv.resolve("localhost", "http", ec);
  35   VERIFY( !ec );
  36   VERIFY( addrs.size() > 0 );
  37   VERIFY( addrs.begin() != addrs.end() );
  38   VERIFY( ! addrs.empty() );
  39
  40   auto addrs2 = resolv.resolve("localhost", "http");
  41   VERIFY( addrs == addrs2 );
  42 }
  43
  44 void
  45 test02()
  46 {
  47   bool test __attribute__((unused)) = false;
  48
  49   std::error_code ec;
  50   io_context ctx;
  51   ip::tcp::resolver resolv(ctx);
  52   auto flags = ip::resolver_base::numeric_host;
  53 #ifdef AI_NUMERICSERV
  54   flags |= ip::tcp::resolver::numeric_service;
  55 #endif
  56   auto addrs = resolv.resolve("127.0.0.1", "42", flags, ec);
  57   VERIFY( !ec );
  58   VERIFY( addrs.size() > 0 );
  59   VERIFY( addrs.begin() != addrs.end() );
  60
  61   auto addrs2 = resolv.resolve("127.0.0.1", "42", flags);
  62   VERIFY( addrs == addrs2 );
  63
  64   addrs = resolv.resolve("localhost", "42", flags, ec);
  65   VERIFY( ec );
  66   VERIFY( addrs.empty() );
  67   addrs = resolv.resolve("127.0.0.1", "nameserver", flags, ec);
  68   VERIFY( ec );
  69   VERIFY( addrs.empty() );
  70
  71 #if __cpp_exceptions
  72   bool caught = false;
  73   try {
  74     resolv.resolve("localhost", "http", flags);
  75   } catch (const std::system_error& e) {
  76     caught = true;
  77     VERIFY( e.code() == ec );
  78   }
  79   VERIFY( caught );
  80 #endif
  81 }
  82
  83 void
  84 test03()
  85 {
  86   bool test __attribute__((unused)) = false;
  87
  88   std::error_code ec;
  89   io_context ctx;
  90   ip::tcp::resolver resolv(ctx);
  91   auto addrs = resolv.resolve("test.invalid", "http", ec);
  92   VERIFY( ec );
  93   VERIFY( addrs.size() == 0 );
  94   VERIFY( addrs.begin() == addrs.end() );
  95   VERIFY( addrs.empty() );
  96 #if __cpp_exceptions
  97   bool caught = false;
  98   try {
  99     resolv.resolve("test.invalid", "http");
 100   } catch (const std::system_error& e) {
 101     caught = true;
 102     VERIFY( e.code() == ec );
 103   }
 104   VERIFY( caught );
 105 #endif
 106 }
 107
 108 int
 109 main()
 110 {
 111   test01();
 112   test02();
 113   test03();
 114 }