libstdc++-v3/testsuite/20_util/is_trivially_assignable/value.cc

   1 // { dg-do compile { target c++11 } }
   2 //
   3 // 2014-10-09  Ville Voutilainen  <ville.voutilainen@gmail.com>
   4 //
   5 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <type_traits>
  23 #include <testsuite_tr1.h>
  24
  25 struct HasTemplateCAssign
  26 {
  27   HasTemplateCAssign& operator=(const HasTemplateCAssign&) = default;
  28   template <class T>
  29   HasTemplateCAssign& operator=(T&&);
  30 };
  31
  32 struct MoveOnly
  33 {
  34   MoveOnly& operator=(MoveOnly&&) = default;
  35 };
  36
  37 struct MoveOnly2
  38 {
  39   MoveOnly2& operator=(MoveOnly2&&) = delete;
  40 };
  41
  42 void test01()
  43 {
  44   using std::is_trivially_assignable;
  45   using namespace __gnu_test;
  46
  47   static_assert(test_property<is_trivially_assignable,
  48                 int, int>(false), "");
  49   static_assert(test_property<is_trivially_assignable,
  50                 int&, int>(true), "");
  51   static_assert(test_property<is_trivially_assignable,
  52                 int&, int&>(true), "");
  53   static_assert(test_property<is_trivially_assignable,
  54                 int&, int&&>(true), "");
  55   static_assert(test_property<is_trivially_assignable,
  56                 int&, const int&>(true), "");
  57   static_assert(test_property<is_trivially_assignable,
  58                 int&, int*>(false), "");
  59   static_assert(test_property<is_trivially_assignable,
  60                 int&, void*>(false), "");
  61   static_assert(test_property<is_trivially_assignable,
  62                 const int, int>(false), "");
  63   static_assert(test_property<is_trivially_assignable,
  64                 const int&, int>(false), "");
  65   static_assert(test_property<is_trivially_assignable,
  66                 const int&, const int&>(false), "");
  67   static_assert(test_property<is_trivially_assignable,
  68                 const int*&, int*>(true), "");
  69   static_assert(test_property<is_trivially_assignable,
  70                 int*&, const int*&>(false), "");
  71   static_assert(test_property<is_trivially_assignable,
  72                 int*&, const int&>(false), "");
  73   static_assert(test_property<is_trivially_assignable,
  74                 const int*&, void*>(false), "");
  75   static_assert(test_property<is_trivially_assignable,
  76                 const void*&, void*>(true), "");
  77   static_assert(test_property<is_trivially_assignable,
  78                 const void*&, int*>(true), "");
  79
  80   static_assert(test_property<is_trivially_assignable,
  81                 TType, TType>(true), "");
  82   static_assert(test_property<is_trivially_assignable,
  83                 TType&, TType>(true), "");
  84   static_assert(test_property<is_trivially_assignable,
  85                 TType&, TType&>(true), "");
  86   static_assert(test_property<is_trivially_assignable,
  87                 TType&, TType&&>(true), "");
  88   static_assert(test_property<is_trivially_assignable,
  89                 TType&, const TType&>(true), "");
  90   static_assert(test_property<is_trivially_assignable,
  91                 PODType, PODType>(true), "");
  92   static_assert(test_property<is_trivially_assignable,
  93                 NType&, NType&>(false), "");
  94   static_assert(test_property<is_trivially_assignable,
  95                 SLType, SLType>(true), "");
  96   static_assert(test_property<is_trivially_assignable,
  97                 assign::Empty, assign::Empty>(true), "");
  98   static_assert(test_property<is_trivially_assignable,
  99                 assign::Abstract, assign::Abstract>(false), "");
 100   static_assert(test_property<is_trivially_assignable,
 101                 assign::Ellipsis, assign::Ellipsis>(true), "");
 102   static_assert(test_property<is_trivially_assignable,
 103                 assign::DelEllipsis, assign::DelEllipsis>(true), "");
 104   static_assert(test_property<is_trivially_assignable,
 105                 assign::Any, assign::Any>(true), "");
 106   static_assert(test_property<is_trivially_assignable,
 107                 assign::DelDef, assign::DelDef>(true), "");
 108   static_assert(test_property<is_trivially_assignable,
 109                 assign::DelCopy, assign::DelCopy>(true), "");
 110   static_assert(test_property<is_trivially_assignable,
 111                 assign::Nontrivial, assign::Nontrivial>(false), "");
 112   static_assert(test_property<is_trivially_assignable,
 113                 assign::AnyAssign, assign::AnyAssign>(true), "");
 114   static_assert(test_property<is_trivially_assignable,
 115                 assign::DelAnyAssign, assign::DelAnyAssign>(true), "");
 116   static_assert(test_property<is_trivially_assignable,
 117                 assign::DelCopyAssign, assign::DelCopyAssign>(true), "");
 118   static_assert(test_property<is_trivially_assignable,
 119                 assign::MO, assign::MO>(true), "");
 120   static_assert(test_property<is_trivially_assignable,
 121                 assign::MO, assign::MO&&>(true), "");
 122   static_assert(test_property<is_trivially_assignable,
 123                 assign::MO, assign::MO&>(false), "");
 124   static_assert(test_property<is_trivially_assignable,
 125                 assign::MO, const assign::MO&>(false), "");
 126   static_assert(test_property<is_trivially_assignable,
 127                 CopyConsOnlyType, CopyConsOnlyType>(false), "");
 128   static_assert(test_property<is_trivially_assignable,
 129                 CopyConsOnlyType, const CopyConsOnlyType&>(false), "");
 130   static_assert(test_property<is_trivially_assignable,
 131                 MoveConsOnlyType, MoveConsOnlyType>(false), "");
 132   static_assert(test_property<is_trivially_assignable,
 133                 MoveConsOnlyType, MoveConsOnlyType&&>(false), "");
 134   static_assert(test_property<is_trivially_assignable,
 135                 HasTemplateCAssign, HasTemplateCAssign>(false), "");
 136   static_assert(test_property<is_trivially_assignable,
 137                 HasTemplateCAssign, const HasTemplateCAssign&>(true), "");
 138   static_assert(test_property<is_trivially_assignable,
 139                 ClassType, DerivedType>(true), "");
 140   static_assert(test_property<is_trivially_assignable,
 141                 ClassType, DerivedType&>(true), "");
 142   static_assert(test_property<is_trivially_assignable,
 143                 ClassType, DerivedType&&>(true), "");
 144   static_assert(test_property<is_trivially_assignable,
 145                 ClassType, const DerivedType&>(true), "");
 146   static_assert(test_property<is_trivially_assignable,
 147                 MoveOnly, MoveOnly>(true), "");
 148   static_assert(test_property<is_trivially_assignable,
 149                 MoveOnly, MoveOnly&&>(true), "");
 150   static_assert(test_property<is_trivially_assignable,
 151                 MoveOnly, MoveOnly&>(false), "");
 152   static_assert(test_property<is_trivially_assignable,
 153                 MoveOnly, const MoveOnly&>(false), "");
 154   static_assert(test_property<is_trivially_assignable,
 155                 MoveOnly2, MoveOnly2>(false), "");
 156 }