libstdc++-v3/testsuite/21_strings/basic_string_view/literals/values.cc

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3
   4 // Copyright (C) 2013-2020 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <string_view>
  22 #include <testsuite_hooks.h>
  23
  24 #ifdef _GLIBCXX_USE_CHAR8_T
  25 using std::u8string_view;
  26 #else
  27 using u8string_view = std::string_view;
  28 #endif
  29
  30 void
  31 test01()
  32 {
  33   using namespace std::literals::string_view_literals;
  34
  35   std::string_view planet = "Mercury"sv;
  36 #ifdef _GLIBCXX_USE_WCHAR_T
  37   std::wstring_view wplanet = L"Venus"sv;
  38 #endif
  39   u8string_view u8planet = u8"Mars"sv;
  40   std::u16string_view u16planet = u"Jupiter"sv;
  41   std::u32string_view u32planet = U"Saturn"sv;
  42
  43   VERIFY( planet == std::string_view("Mercury") );
  44 #ifdef _GLIBCXX_USE_WCHAR_T
  45   VERIFY( wplanet == std::wstring_view(L"Venus") );
  46 #endif
  47   VERIFY( u8planet == u8string_view(u8"Mars") );
  48   VERIFY( u16planet == std::u16string_view(u"Jupiter") );
  49   VERIFY( u32planet == std::u32string_view(U"Saturn") );
  50 }
  51
  52 void
  53 test02()
  54 {
  55   using namespace std::literals::string_view_literals;
  56
  57   std::string_view planet_cratered = "Mercury\0cratered"sv;
  58 #ifdef _GLIBCXX_USE_WCHAR_T
  59   std::wstring_view wplanet_cratered = L"Venus\0cratered"sv;
  60 #endif
  61   u8string_view u8planet_cratered = u8"Mars\0cratered"sv;
  62   std::u16string_view u16planet_cratered = u"Jupiter\0cratered"sv;
  63   std::u32string_view u32planet_cratered = U"Saturn\0cratered"sv;
  64
  65   VERIFY( planet_cratered == std::string_view("Mercury\0cratered", 16) );
  66 #ifdef _GLIBCXX_USE_WCHAR_T
  67   VERIFY( wplanet_cratered == std::wstring_view(L"Venus\0cratered", 14) );
  68 #endif
  69   VERIFY( u8planet_cratered == u8string_view(u8"Mars\0cratered", 13) );
  70   VERIFY( u16planet_cratered == std::u16string_view(u"Jupiter\0cratered", 16) );
  71   VERIFY( u32planet_cratered == std::u32string_view(U"Saturn\0cratered", 15) );
  72 }
  73
  74 int
  75 main()
  76 {
  77   test01();
  78   test02();
  79 }