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

   1 // { dg-do compile { target c++11 } }
   2
   3 // 2011-05-19  Paolo Carlini  <paolo.carlini@oracle.com>
   4 //
   5 // Copyright (C) 2011-2024 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 void test01()
  26 {
  27   using std::is_nothrow_assignable;
  28   using namespace __gnu_test;
  29
  30   // Positive tests.
  31   static_assert(test_relationship<is_nothrow_assignable, int&, int>(true), "");
  32   static_assert(test_relationship<is_nothrow_assignable, int&,
  33                 const int>(true), "");
  34
  35   static_assert(test_relationship<is_nothrow_assignable,
  36                 NoexceptCopyAssignClass&,
  37                 const NoexceptCopyAssignClass&>(true), "");
  38   static_assert(test_relationship<is_nothrow_assignable,
  39                 NoexceptMoveAssignClass&, NoexceptMoveAssignClass&&>(true), "");
  40   static_assert(test_relationship<is_nothrow_assignable,
  41                 NoexceptCopyAssignClass&, NoexceptCopyAssignClass&&>(true), "");
  42
  43   // Negative tests.
  44   static_assert(test_relationship<is_nothrow_assignable, int, int>(false), "");
  45   static_assert(test_relationship<is_nothrow_assignable, int,
  46                 const int>(false), "");
  47
  48   static_assert(test_relationship<is_nothrow_assignable,
  49                 ExceptCopyAssignClass&,
  50                 const ExceptCopyAssignClass&>(false), "");
  51   static_assert(test_relationship<is_nothrow_assignable,
  52                 ExceptMoveAssignClass&, ExceptMoveAssignClass&&>(false), "");
  53   static_assert(test_relationship<is_nothrow_assignable,
  54                 NoexceptMoveAssignClass&,
  55                 const NoexceptMoveAssignClass&>(false), "");
  56 }