libstdc++-v3/testsuite/21_strings/basic_string/allocator/char/copy.cc

   1 // Copyright (C) 2015-2017 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 = char;
  26 const C c = '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   test_type v1(alloc_type(1));
  36
  37   v1.assign(1, c);
  38   test_type v2(v1);
  39   VERIFY(1 == v1.get_allocator().get_personality());
  40   VERIFY(0 == v2.get_allocator().get_personality());
  41
  42   v1.assign(100, c);
  43   test_type v3(v1);
  44   VERIFY(1 == v1.get_allocator().get_personality());
  45   VERIFY(0 == v3.get_allocator().get_personality());
  46 }
  47
  48 void test02()
  49 {
  50   typedef propagating_allocator<C, true> alloc_type;
  51   typedef std::basic_string<C, traits, alloc_type> test_type;
  52   test_type v1(alloc_type(1));
  53
  54   v1.assign(1, c);
  55   test_type v2(v1);
  56   VERIFY(1 == v1.get_allocator().get_personality());
  57   VERIFY(1 == v2.get_allocator().get_personality());
  58
  59   v1.assign(100, c);
  60   test_type v3(v1);
  61   VERIFY(1 == v1.get_allocator().get_personality());
  62   VERIFY(1 == v3.get_allocator().get_personality());
  63 }
  64
  65 void test03()
  66 {
  67   typedef propagating_allocator<C, true> alloc_type;
  68   typedef std::basic_string<C, traits, alloc_type> test_type;
  69   test_type v1(alloc_type(1));
  70
  71   v1.assign(1, c);
  72   test_type v2(v1, alloc_type(2));
  73   VERIFY(1 == v1.get_allocator().get_personality());
  74   VERIFY(2 == v2.get_allocator().get_personality());
  75
  76   v1.assign(100, c);
  77   test_type v3(v1, alloc_type(3));
  78   VERIFY(1 == v1.get_allocator().get_personality());
  79   VERIFY(3 == v3.get_allocator().get_personality());
  80 }
  81
  82 int main()
  83 {
  84   test01();
  85   test02();
  86   test03();
  87   return 0;
  88 }
  89 #else
  90 int main()
  91 {
  92   // COW strings don't support C++11 allocators
  93 }
  94 #endif