libstdc++-v3/testsuite/21_strings/basic_string/modifiers/append/wchar_t/1.cc

   1 // 1999-07-08 bkoz
   2
   3 // Copyright (C) 1999-2019 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 // 21.3.5.2 basic_string::append
  21
  22 #include <string>
  23 #include <stdexcept>
  24 #include <testsuite_hooks.h>
  25
  26 void test01(void)
  27 {
  28   typedef std::wstring::size_type csize_type;
  29   typedef std::wstring::const_reference cref;
  30   typedef std::wstring::reference ref;
  31   csize_type csz01;
  32
  33   const wchar_t str_lit01[] = L"point bolivar, texas";
  34   const std::wstring str01(str_lit01);
  35   const std::wstring str02(L"corpus, ");
  36   const std::wstring str03;
  37   std::wstring str05;
  38
  39
  40   // wstring& append(const wstring&)
  41   str05 = str02;
  42   str05.append(str05);
  43   VERIFY( str05 == L"corpus, corpus, " );
  44   str05.append(str01);
  45   VERIFY( str05 == L"corpus, corpus, point bolivar, texas" );
  46   str05.append(str03);
  47   VERIFY( str05 == L"corpus, corpus, point bolivar, texas" );
  48   std::wstring str06;
  49   str06.append(str05);
  50   VERIFY( str06 == str05 );
  51
  52
  53   // wstring& append(const wstring&, size_type pos, size_type n)
  54   str05.erase();
  55   str06.erase();
  56   csz01 = str03.size();
  57   try {
  58     str06.append(str03, csz01 + 1, 0);
  59     VERIFY( false );
  60   }
  61   catch(std::out_of_range& fail) {
  62     VERIFY( true );
  63   }
  64   catch(...) {
  65     VERIFY( false );
  66   }
  67
  68   csz01 = str01.size();
  69   try {
  70     str06.append(str01, csz01 + 1, 0);
  71     VERIFY( false );
  72   }
  73   catch(std::out_of_range& fail) {
  74     VERIFY( true );
  75   }
  76   catch(...) {
  77     VERIFY( false );
  78   }
  79
  80   str05 = str02;
  81   str05.append(str01, 0, std::wstring::npos);
  82   VERIFY( str05 == L"corpus, point bolivar, texas" );
  83   VERIFY( str05 != str02 );
  84
  85   str06 = str02;
  86   str06.append(str01, 15, std::wstring::npos);
  87   VERIFY( str06 == L"corpus, texas" );
  88   VERIFY( str02 != str06 );
  89
  90
  91   // wstring& append(const wchar_t* s)
  92   str05.erase();
  93   str06.erase();
  94   str05.append(L"");
  95   VERIFY( str05 == str03 );
  96
  97   str05.append(str_lit01);
  98   VERIFY( str05 == str01 );
  99
 100   str06 = str02;
 101   str06.append(L"corpus, ");
 102   VERIFY( str06 == L"corpus, corpus, " );
 103
 104
 105   // wstring& append(const wchar_t* s, size_type n)
 106   str05.erase();
 107   str06.erase();
 108   str05.append(L"", 0);
 109   VERIFY( str05.size() == 0 );
 110   VERIFY( str05 == str03 );
 111
 112   str05.append(str_lit01, sizeof(str_lit01) / sizeof(wchar_t) - 1);
 113   VERIFY( str05 == str01 );
 114
 115   str06 = str02;
 116   str06.append(L"corpus, ", 6);
 117   VERIFY( str06 == L"corpus, corpus" );
 118
 119   str06 = str02;
 120   str06.append(L"corpus, ", 12);
 121   VERIFY( str06 != L"corpus, corpus, " );
 122
 123
 124   // wstring& append(size_type n, char c)
 125   str05.erase();
 126   str06.erase();
 127   str05.append(0, L'a');
 128   VERIFY( str05 == str03 );
 129   str06.append(8, L'.');
 130   VERIFY( str06 == L"........" );
 131
 132
 133   // template<typename InputIter>
 134   //  wstring& append(InputIter first, InputIter last)
 135   str05.erase();
 136   str06.erase();
 137   str05.append(str03.begin(), str03.end());
 138   VERIFY( str05 == str03 );
 139
 140   str06 = str02;
 141   str06.append(str01.begin(), str01.begin() + str01.find(L'r'));
 142   VERIFY( str06 == L"corpus, point boliva" );
 143   VERIFY( str06 != str01 );
 144   VERIFY( str06 != str02 );
 145
 146   str05 = str01;
 147   str05.append(str05.begin(), str05.begin() + str05.find(L'r'));
 148   VERIFY( str05 ==  L"point bolivar, texaspoint boliva" );
 149   VERIFY( str05 != str01 );
 150 }
 151
 152 int main()
 153 {
 154   test01();
 155   return 0;
 156 }