libstdc++-v3/testsuite/27_io/manipulators/standard/wchar_t/quoted_sv.cc

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3
   4 // Copyright (C) 2018-2019 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 // C++17 30.7.8 - Quoted manipulators           [quoted.manip]
  22
  23 #include <string_view>
  24 #include <sstream>
  25 #include <iomanip>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   std::wstringstream ss;
  32   const std::wstring_view original = LR"(This "string" will be \"quoted\")";
  33   std::wstring raw, round_trip;
  34   ss << std::quoted(original);
  35   raw = ss.str();
  36   VERIFY( raw == LR"("This \"string\" will be \\\"quoted\\\"")" );
  37   ss >> std::quoted(round_trip);
  38   VERIFY( original == round_trip );
  39 }
  40
  41 void
  42 test02()
  43 {
  44   std::wstringstream ss;
  45   const std::wstring_view original = LR"(This "string" will be \"quoted\")";
  46   std::wstring raw, round_trip;
  47   ss << std::quoted(original, L'\'', L'!');
  48   raw = ss.str();
  49   VERIFY( raw == LR"('This "string" will be \"quoted\"')" );
  50   ss >> std::quoted(round_trip, L'\'', L'!');
  51   VERIFY( original == round_trip );
  52 }
  53
  54 void
  55 test03()
  56 {
  57   std::wstringstream ss;
  58   const std::wstring_view original = LR"(This 'string' will be !'quoted!')";
  59   std::wstring raw, round_trip;
  60   ss << std::quoted(original, L'\'', L'!');
  61   raw = ss.str();
  62   VERIFY( raw == LR"('This !'string!' will be !!!'quoted!!!'')" );
  63   ss >> std::quoted(round_trip, L'\'', L'!');
  64   VERIFY( original == round_trip );
  65 }
  66
  67 int
  68 main()
  69 {
  70   test01();
  71   test02();
  72   test03();
  73 }