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

   1 // { dg-do run { target c++17 } }
   2
   3 // Copyright (C) 2018-2023 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 // C++17 30.7.8 - Quoted manipulators           [quoted.manip]
  21
  22 #include <string_view>
  23 #include <sstream>
  24 #include <iomanip>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test01()
  29 {
  30   std::stringstream ss;
  31   const std::string_view original = R"(This "string" will be \"quoted\")";
  32   std::string raw, round_trip;
  33   ss << std::quoted(original);
  34   raw = ss.str();
  35   VERIFY( raw == R"("This \"string\" will be \\\"quoted\\\"")" );
  36   ss >> std::quoted(round_trip);
  37   VERIFY( original == round_trip );
  38 }
  39
  40 void
  41 test02()
  42 {
  43   std::stringstream ss;
  44   const std::string_view original = R"(This "string" will be \"quoted\")";
  45   std::string raw, round_trip;
  46   ss << std::quoted(original, '\'', '!');
  47   raw = ss.str();
  48   VERIFY( raw == R"('This "string" will be \"quoted\"')" );
  49   ss >> std::quoted(round_trip, '\'', '!');
  50   VERIFY( original == round_trip );
  51 }
  52
  53 void
  54 test03()
  55 {
  56   std::stringstream ss;
  57   const std::string_view original = R"(This 'string' will be !'quoted!')";
  58   std::string raw, round_trip;
  59   ss << std::quoted(original, '\'', '!');
  60   raw = ss.str();
  61   VERIFY( raw == R"('This !'string!' will be !!!'quoted!!!'')" );
  62   ss >> std::quoted(round_trip, '\'', '!');
  63   VERIFY( original == round_trip );
  64 }
  65
  66 int
  67 main()
  68 {
  69   test01();
  70   test02();
  71   test03();
  72 }