libstdc++-v3/testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc

   1 // 2019-04-30  Nina Dinka Ranns  <dinka.ranns@gmail.com>
   2 // Copyright (C) 2019-2024 Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 // { dg-do run { target c++11 } }
  20 // COW strings don't support C++11 allocator propagation:
  21 // { dg-require-effective-target cxx11_abi }
  22
  23 #include <string>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_allocator.h>
  26 #include <ext/throw_allocator.h>
  27
  28 using C = wchar_t;
  29 using traits = std::char_traits<C>;
  30
  31 using __gnu_test::propagating_allocator;
  32
  33 void test01()
  34 {
  35   typedef propagating_allocator<C, true> alloc_type;
  36   typedef std::basic_string<C, traits, alloc_type> test_type;
  37
  38   test_type v1(L"something",alloc_type(1));
  39   test_type v2(L"something",alloc_type(2));
  40   auto r1 = v1 + v2;
  41   VERIFY(r1.get_allocator().get_personality() == 1);
  42
  43   auto r2 = v1 + std::move(v2);
  44   VERIFY(r2.get_allocator().get_personality() == 2);
  45
  46   test_type v3(L"something", alloc_type(3));
  47   test_type v4(L"something", alloc_type(4));
  48   auto r3 = std::move(v3) + v4;
  49   VERIFY(r3.get_allocator().get_personality() == 3);
  50
  51   auto r4 = std::move(v1) +std::move(v4);
  52   VERIFY(r4.get_allocator().get_personality() == 1);
  53
  54   test_type v5(L"something", alloc_type(5));
  55   auto r5 = v5 + L"str";
  56   VERIFY(r5.get_allocator().get_personality() == 5);
  57
  58   auto r6 = v5 + L'c';
  59   VERIFY(r6.get_allocator().get_personality() == 5);
  60
  61   auto r7 = std::move(v5) + L"str";
  62   VERIFY(r7.get_allocator().get_personality() == 5);
  63
  64   test_type v6(L"something", alloc_type(6));
  65   auto r8 = std::move(v6) + L'c';
  66   VERIFY(r8.get_allocator().get_personality() == 6);
  67
  68   test_type v7(L"something", alloc_type(7));
  69   auto r9 = L"str" + v7;
  70   VERIFY(r9.get_allocator().get_personality() == 7);
  71
  72   auto r10 = L'c' + v7;
  73   VERIFY(r10.get_allocator().get_personality() == 7);
  74
  75   auto r11 = L"str" + std::move(v7);
  76   VERIFY(r11.get_allocator().get_personality() == 7);
  77
  78   test_type v8(L"something", alloc_type(8));
  79   auto r12 = L'c' + std::move(v8);
  80   VERIFY(r12.get_allocator().get_personality() == 8);
  81 }
  82
  83 void test02()
  84 {
  85   typedef propagating_allocator<C, false> alloc_type;
  86   typedef std::basic_string<C, traits, alloc_type> test_type;
  87
  88   test_type v1(L"something",alloc_type(1));
  89   test_type v2(L"something",alloc_type(2));
  90   auto r1 = v1 + v2;
  91   VERIFY(r1.get_allocator().get_personality() != 1);
  92
  93   auto r2 = v1 + std::move(v2);
  94   VERIFY(r2.get_allocator().get_personality() == 2);
  95
  96   test_type v3(L"something", alloc_type(3));
  97   test_type v4(L"something", alloc_type(4));
  98   auto r3 = std::move(v3) + v4;
  99   VERIFY(r3.get_allocator().get_personality() == 3);
 100
 101   auto r4 = std::move(v1) +std::move(v4);
 102   VERIFY(r4.get_allocator().get_personality() == 1);
 103
 104   test_type v5(L"something", alloc_type(5));
 105   auto r5 = v5 + L"str";
 106   VERIFY(r5.get_allocator().get_personality() != 5);
 107
 108   auto r6 = v5 + L'c';
 109   VERIFY(r6.get_allocator().get_personality() != 5);
 110
 111   auto r7 = std::move(v5) + L"str";
 112   VERIFY(r7.get_allocator().get_personality() == 5);
 113
 114   test_type v6(L"something", alloc_type(6));
 115   auto r8 = std::move(v6) + L'c';
 116   VERIFY(r8.get_allocator().get_personality() == 6);
 117
 118   test_type v7(L"something", alloc_type(7));
 119   auto r9 = L"str" + v7;
 120   VERIFY(r9.get_allocator().get_personality() != 7);
 121
 122   auto r10 = L'c' + v7;
 123   VERIFY(r10.get_allocator().get_personality() != 7);
 124
 125   auto r11 = L"str" + std::move(v7);
 126   VERIFY(r11.get_allocator().get_personality() == 7);
 127
 128   test_type v8(L"something", alloc_type(8));
 129   auto r12 = L'c' + std::move(v8);
 130   VERIFY(r12.get_allocator().get_personality() == 8);
 131 }
 132 void test03()
 133 {
 134   typedef propagating_allocator<C, false> alloc_type;
 135   typedef std::basic_string<C, traits, alloc_type> test_type;
 136
 137   test_type v1(L"s",alloc_type(1));
 138   v1.resize(10);
 139   v1.shrink_to_fit();
 140   test_type v2(10000,L'x',alloc_type(2));
 141   v2.reserve(10010);
 142
 143   auto r=std::move(v1)+std::move(v2);
 144   VERIFY(r.get_allocator().get_personality() == 1);
 145 }
 146 int main()
 147 {
 148   test01();
 149   test02();
 150   test03();
 151   return 0;
 152 }