libstdc++-v3/testsuite/experimental/net/internet/address/v4/creation.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 namespace net = std::experimental::net;
  25 using net::ip::address_v4;
  26
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = false;
  31
  32   auto a0 = make_address_v4( address_v4::bytes_type{} );
  33   VERIFY( a0.to_uint() == 0 );
  34   VERIFY( a0.to_bytes() == address_v4::bytes_type{} );
  35
  36   address_v4::bytes_type b1{ 1, 2, 3, 4 };
  37   auto a1 = make_address_v4( b1 );
  38   VERIFY( a1.to_uint() == ntohl((1 << 24) | (2 << 16) | (3 << 8) | 4) );
  39   VERIFY( a1.to_bytes() == b1 );
  40 }
  41
  42 void
  43 test02()
  44 {
  45   bool test __attribute__((unused)) = false;
  46
  47   auto a0 = net::ip::make_address_v4(0u);
  48   VERIFY( a0.to_uint() == 0 );
  49   VERIFY( a0.to_bytes() == address_v4::bytes_type{} );
  50
  51   address_v4::uint_type u1 = ntohl((5 << 24) | (6 << 16) | (7 << 8) | 8);
  52   auto a1 = net::ip::make_address_v4( u1 );
  53   VERIFY( a1.to_uint() == u1 );
  54   VERIFY( a1.to_bytes() == address_v4::bytes_type( 5, 6, 7, 8 ) );
  55 }
  56
  57 void
  58 test03()
  59 {
  60   bool test __attribute__((unused)) = false;
  61
  62   auto a1 = net::ip::make_address_v4("127.0.0.1");
  63   VERIFY( a1.is_loopback() );
  64   auto a2 = net::ip::make_address_v4(std::string{"127.0.0.2"});
  65   VERIFY( a2.is_loopback() );
  66   auto a3 = net::ip::make_address_v4(std::experimental::string_view{"127.0.0.3"});
  67   VERIFY( a3.is_loopback() );
  68
  69   std::error_code ec;
  70   auto a4 = net::ip::make_address_v4("127...1", ec);
  71   VERIFY( ec == std::errc::invalid_argument );
  72
  73   net::ip::make_address_v4("127.0.0.1", ec);
  74   VERIFY( !ec );
  75
  76   a4 = net::ip::make_address_v4(std::string{"256.0.0.1"}, ec);
  77   VERIFY( ec == std::errc::invalid_argument );
  78
  79   net::ip::make_address_v4(std::string{"127.0.0.1"}, ec);
  80   VERIFY( !ec );
  81
  82   a4 = net::ip::make_address_v4(std::experimental::string_view{""}, ec);
  83   VERIFY( ec == std::errc::invalid_argument );
  84 }
  85
  86 int
  87 main()
  88 {
  89   test01();
  90   test02();
  91   test03();
  92 }