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

   1 // Copyright (C) 2015-2016 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <string>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_allocator.h>
  23
  24 #if _GLIBCXX_USE_CXX11_ABI
  25 using C = wchar_t;
  26 const C c = L'a';
  27 using traits = std::char_traits<C>;
  28
  29 using __gnu_test::propagating_allocator;
  30
  31 void test01()
  32 {
  33   typedef propagating_allocator<C, false> alloc_type;
  34   typedef std::basic_string<C, traits, alloc_type> test_type;
  35
  36   test_type v1(alloc_type(1));
  37   v1.assign(1, c);
  38   test_type v2(alloc_type(2));
  39   v2.assign(1, c);
  40   v2 = std::move(v1);
  41   VERIFY(1 == v1.get_allocator().get_personality());
  42   VERIFY(2 == v2.get_allocator().get_personality());
  43
  44   test_type v3(alloc_type(3));
  45   v3.assign(1, c);
  46   test_type v4(alloc_type(4));
  47   v4.assign(100, c);
  48   v4 = std::move(v3);
  49   VERIFY(3 == v3.get_allocator().get_personality());
  50   VERIFY(4 == v4.get_allocator().get_personality());
  51
  52   test_type v5(alloc_type(5));
  53   v5.assign(100, c);
  54   test_type v6(alloc_type(6));
  55   v6.assign(1, c);
  56   v6 = std::move(v5);
  57   VERIFY(5 == v5.get_allocator().get_personality());
  58   VERIFY(6 == v6.get_allocator().get_personality());
  59
  60   test_type v7(alloc_type(7));
  61   v7.assign(100, c);
  62   test_type v8(alloc_type(8));
  63   v8.assign(100, c);
  64   v8 = std::move(v7);
  65   VERIFY(7 == v7.get_allocator().get_personality());
  66   VERIFY(8 == v8.get_allocator().get_personality());
  67 }
  68
  69 void test02()
  70 {
  71   typedef propagating_allocator<C, true> alloc_type;
  72   typedef std::basic_string<C, traits, alloc_type> test_type;
  73
  74   test_type v1(alloc_type(1));
  75   v1.assign(1, c);
  76   test_type v2(alloc_type(2));
  77   v2.assign(1, c);
  78   v2 = std::move(v1);
  79   VERIFY(0 == v1.get_allocator().get_personality());
  80   VERIFY(1 == v2.get_allocator().get_personality());
  81
  82   test_type v3(alloc_type(3));
  83   v3.assign(1, c);
  84   test_type v4(alloc_type(4));
  85   v4.assign(100, c);
  86   v4 = std::move(v3);
  87   VERIFY(0 == v3.get_allocator().get_personality());
  88   VERIFY(3 == v4.get_allocator().get_personality());
  89
  90   test_type v5(alloc_type(5));
  91   v5.assign(100, c);
  92   test_type v6(alloc_type(6));
  93   v6.assign(1, c);
  94   v6 = std::move(v5);
  95   VERIFY(0 == v5.get_allocator().get_personality());
  96   VERIFY(5 == v6.get_allocator().get_personality());
  97
  98   test_type v7(alloc_type(7));
  99   v7.assign(100, c);
 100   test_type v8(alloc_type(8));
 101   v8.assign(100, c);
 102   v8 = std::move(v7);
 103   VERIFY(0 == v7.get_allocator().get_personality());
 104   VERIFY(7 == v8.get_allocator().get_personality());
 105 }
 106
 107 void test03()
 108 {
 109   typedef propagating_allocator<C, false> alloc_type;
 110   typedef std::basic_string<C, traits, alloc_type> test_type;
 111
 112   test_type v1(alloc_type(1));
 113   v1.assign(1, c);
 114   test_type v2(alloc_type(1));
 115   v2.assign(1, c);
 116   v2 = std::move(v1);
 117   VERIFY(1 == v1.get_allocator().get_personality());
 118   VERIFY(1 == v2.get_allocator().get_personality());
 119
 120   test_type v3(alloc_type(3));
 121   v3.assign(1, c);
 122   test_type v4(alloc_type(3));
 123   v4.assign(100, c);
 124   v4 = std::move(v3);
 125   VERIFY(3 == v3.get_allocator().get_personality());
 126   VERIFY(3 == v4.get_allocator().get_personality());
 127
 128   test_type v5(alloc_type(5));
 129   v5.assign(100, c);
 130   test_type v6(alloc_type(5));
 131   v6.assign(1, c);
 132   v6 = std::move(v5);
 133   VERIFY(5 == v5.get_allocator().get_personality());
 134   VERIFY(5 == v6.get_allocator().get_personality());
 135
 136   test_type v7(alloc_type(7));
 137   v7.assign(100, c);
 138   test_type v8(alloc_type(7));
 139   v8.assign(100, c);
 140   v8 = std::move(v7);
 141   VERIFY(7 == v7.get_allocator().get_personality());
 142   VERIFY(7 == v8.get_allocator().get_personality());
 143 }
 144
 145 int main()
 146 {
 147   test01();
 148   test02();
 149   test03();
 150   return 0;
 151 }
 152 #else
 153 int main()
 154 {
 155   // COW strings don't support C++11 allocators
 156 }
 157 #endif