libstdc++-v3/testsuite/experimental/string_view/element_access/char/1.cc

   1 // { dg-options "-std=gnu++1y" }
   2
   3 // Copyright (C) 2013 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // basic_string element access
  21
  22 #include <experimental/string_view>
  23 #include <stdexcept>
  24 #include <testsuite_hooks.h>
  25
  26 bool
  27 test01()
  28 {
  29   bool test [[gnu::unused]] = true;
  30
  31   typedef std::experimental::string_view::size_type csize_type;
  32   typedef std::experimental::string_view::const_reference cref;
  33   typedef std::experimental::string_view::reference ref;
  34   csize_type csz01, csz02;
  35
  36   const std::experimental::string_view str01("tamarindo, costa rica");
  37   std::experimental::string_view str02("41st street beach, capitola, california");
  38   std::experimental::string_view str03;
  39
  40   // const_reference operator[] (size_type pos) const;
  41   csz01 = str01.size();
  42   cref cref1 = str01[csz01 - 1];
  43   VERIFY( cref1 == 'a' );
  44   cref cref2 = str01[csz01];
  45   VERIFY( cref2 == char() );
  46
  47   // const_reference at(size_type pos) const;
  48   csz01 = str01.size();
  49   cref cref3 = str01.at(csz01 - 1);
  50   VERIFY( cref3 == 'a' );
  51   try
  52   {
  53     str01.at(csz01);
  54     VERIFY( false ); // Should not get here, as exception thrown.
  55   }
  56   catch (std::out_of_range& fail)
  57   {
  58     VERIFY( true );
  59   }
  60   catch (...)
  61   {
  62     VERIFY( false );
  63   }
  64
  65   return test;
  66 }
  67
  68 int
  69 main()
  70 {
  71   test01();
  72   return 0;
  73 }