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

   1 // { dg-do compile { target c++11 } }
   2 //
   3 // 2014-10-09  Ville Voutilainen  <ville.voutilainen@gmail.com>
   4 //
   5 // Copyright (C) 2014-2022 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 HasTemplateCtor
  26 {
  27   HasTemplateCtor() = default;
  28   template <class T>
  29   HasTemplateCtor();
  30 };
  31
  32 void test01()
  33 {
  34   using std::is_trivially_default_constructible;
  35   using namespace __gnu_test;
  36
  37   static_assert(test_category<is_trivially_default_constructible,
  38                 int>(true), "");
  39   static_assert(test_category<is_trivially_default_constructible,
  40                 TType>(true), "");
  41   static_assert(test_category<is_trivially_default_constructible,
  42                 PODType>(true), "");
  43   static_assert(test_category<is_trivially_default_constructible,
  44                 NType>(false), "");
  45   static_assert(test_category<is_trivially_default_constructible,
  46                 SLType>(false), "");
  47   static_assert(test_category<is_trivially_default_constructible,
  48                 construct::DelDef>(false), "");
  49   static_assert(test_category<is_trivially_default_constructible,
  50                 construct::Abstract>(false), "");
  51   static_assert(test_category<is_trivially_default_constructible,
  52                 construct::Ellipsis>(false), "");
  53   static_assert(test_category<is_trivially_default_constructible,
  54                 construct::DelEllipsis>(false), "");
  55   static_assert(test_category<is_trivially_default_constructible,
  56                 construct::Any>(false), "");
  57   static_assert(test_category<is_trivially_default_constructible,
  58                 construct::DelCopy>(false), "");
  59   static_assert(test_category<is_trivially_default_constructible,
  60                 construct::DelDtor>(false), "");
  61   static_assert(test_category<is_trivially_default_constructible,
  62                 construct::Nontrivial>(false), "");
  63   static_assert(test_category<is_trivially_default_constructible,
  64                 HasTemplateCtor>(true), "");
  65
  66   static_assert(test_category<is_trivially_default_constructible,
  67                 int[]>(false), "PR c++/90532");
  68   struct A { };
  69   static_assert(test_category<is_trivially_default_constructible,
  70                 A[]>(false), "PR c++/90532");
  71   struct B { B() { } };
  72   static_assert(test_category<is_trivially_default_constructible,
  73                 B[]>(false), "PR c++/90532");
  74 }