libstdc++-v3/testsuite/21_strings/basic_string/allocator/wchar_t/copy_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   bool test __attribute__((unused)) = true;
  34   typedef propagating_allocator<C, false> alloc_type;
  35   typedef std::basic_string<C, traits, alloc_type> test_type;
  36   test_type v1(alloc_type(1));
  37
  38   v1.assign(1, c);
  39   test_type v2(alloc_type(2));
  40   v2.assign(1, c);
  41   v2 = v1;
  42   VERIFY(1 == v1.get_allocator().get_personality());
  43   VERIFY(2 == v2.get_allocator().get_personality());
  44
  45   v1.assign(1, c);
  46   test_type v3(alloc_type(3));
  47   v3.assign(100, c);
  48   v3 = v1;
  49   VERIFY(1 == v1.get_allocator().get_personality());
  50   VERIFY(3 == v3.get_allocator().get_personality());
  51
  52   v1.assign(100, c);
  53   test_type v4(alloc_type(4));
  54   v4.assign(1, c);
  55   v4 = v1;
  56   VERIFY(1 == v1.get_allocator().get_personality());
  57   VERIFY(4 == v4.get_allocator().get_personality());
  58
  59   v1.assign(100, c);
  60   test_type v5(alloc_type(5));
  61   v5.assign(100, c);
  62   v5 = v1;
  63   VERIFY(1 == v1.get_allocator().get_personality());
  64   VERIFY(5 == v5.get_allocator().get_personality());
  65 }
  66
  67 void test02()
  68 {
  69   bool test __attribute__((unused)) = true;
  70   typedef propagating_allocator<C, true> alloc_type;
  71   typedef std::basic_string<C, traits, alloc_type> test_type;
  72   test_type v1(alloc_type(1));
  73
  74   v1.assign(1, c);
  75   test_type v2(alloc_type(2));
  76   v2.assign(1, c);
  77   v2 = v1;
  78   VERIFY(1 == v1.get_allocator().get_personality());
  79   VERIFY(1 == v2.get_allocator().get_personality());
  80
  81   v1.assign(1, c);
  82   test_type v3(alloc_type(3));
  83   v3.assign(100, c);
  84   v3 = v1;
  85   VERIFY(1 == v1.get_allocator().get_personality());
  86   VERIFY(1 == v3.get_allocator().get_personality());
  87
  88   v1.assign(100, c);
  89   test_type v4(alloc_type(4));
  90   v4.assign(1, c);
  91   v4 = v1;
  92   VERIFY(1 == v1.get_allocator().get_personality());
  93   VERIFY(1 == v4.get_allocator().get_personality());
  94
  95   v1.assign(100, c);
  96   test_type v5(alloc_type(5));
  97   v5.assign(100, c);
  98   v5 = v1;
  99   VERIFY(1 == v1.get_allocator().get_personality());
 100   VERIFY(1 == v5.get_allocator().get_personality());
 101 }
 102
 103 int main()
 104 {
 105   test01();
 106   test02();
 107   return 0;
 108 }
 109 #else
 110 int main()
 111 {
 112   // COW strings don't support C++11 allocators
 113 }
 114 #endif