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

   1 // Copyright (C) 2015-2018 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-options "-std=gnu++14" }
  19
  20 #include <experimental/internet>
  21 #include <testsuite_hooks.h>
  22
  23 using namespace std::experimental::net;
  24
  25 void
  26 test01()
  27 {
  28   bool test __attribute__((unused)) = false;
  29
  30   std::error_code ec;
  31   io_context ctx;
  32   ip::tcp::resolver resolv(ctx);
  33   auto addrs = resolv.resolve("localhost", "http", ec);
  34   VERIFY( !ec );
  35   VERIFY( addrs.size() > 0 );
  36   VERIFY( addrs.begin() != addrs.end() );
  37   VERIFY( ! addrs.empty() );
  38
  39   auto addrs2 = resolv.resolve("localhost", "http");
  40   VERIFY( addrs == addrs2 );
  41 }
  42
  43 void
  44 test02()
  45 {
  46   bool test __attribute__((unused)) = false;
  47
  48   std::error_code ec;
  49   io_context ctx;
  50   ip::tcp::resolver resolv(ctx);
  51   auto flags = ip::resolver_base::numeric_host | ip::tcp::resolver::numeric_service;
  52   auto addrs = resolv.resolve("127.0.0.1", "42", flags, ec);
  53   VERIFY( !ec );
  54   VERIFY( addrs.size() > 0 );
  55   VERIFY( addrs.begin() != addrs.end() );
  56
  57   auto addrs2 = resolv.resolve("127.0.0.1", "42", flags);
  58   VERIFY( addrs == addrs2 );
  59
  60   addrs = resolv.resolve("localhost", "42", flags, ec);
  61   VERIFY( ec );
  62   VERIFY( addrs.empty() );
  63   addrs = resolv.resolve("127.0.0.1", "nameserver", flags, ec);
  64   VERIFY( ec );
  65   VERIFY( addrs.empty() );
  66
  67 #if __cpp_exceptions
  68   bool caught = false;
  69   try {
  70     resolv.resolve("localhost", "http", flags);
  71   } catch (const std::system_error& e) {
  72     caught = true;
  73     VERIFY( e.code() == ec );
  74   }
  75   VERIFY( caught );
  76 #endif
  77 }
  78
  79 void
  80 test03()
  81 {
  82   bool test __attribute__((unused)) = false;
  83
  84   std::error_code ec;
  85   io_context ctx;
  86   ip::tcp::resolver resolv(ctx);
  87   auto addrs = resolv.resolve("test.invalid", "http", ec);
  88   VERIFY( ec );
  89   VERIFY( addrs.size() == 0 );
  90   VERIFY( addrs.begin() == addrs.end() );
  91   VERIFY( addrs.empty() );
  92 #if __cpp_exceptions
  93   bool caught = false;
  94   try {
  95     resolv.resolve("test.invalid", "http");
  96   } catch (const std::system_error& e) {
  97     caught = true;
  98     VERIFY( e.code() == ec );
  99   }
 100   VERIFY( caught );
 101 #endif
 102 }
 103
 104 int
 105 main()
 106 {
 107   test01();
 108   test02();
 109   test03();
 110 }