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

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // 2013-05-02  Paolo Carlini  <pcarlini@suse.de>
   5 //
   6 // Copyright (C) 2013 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <type_traits>
  24 #include <testsuite_tr1.h>
  25
  26 void test01()
  27 {
  28   using std::is_null_pointer;
  29   using namespace __gnu_test;
  30
  31   static_assert(test_category<is_null_pointer, std::nullptr_t>(true), "");
  32
  33   static_assert(test_category<is_null_pointer, int>(false), "");
  34   static_assert(test_category<is_null_pointer, float>(false), "");
  35   static_assert(test_category<is_null_pointer, EnumType>(false), "");
  36   static_assert(test_category<is_null_pointer, int*>(false), "");
  37   static_assert(test_category<is_null_pointer, int(*)(int)>(false), "");
  38   static_assert(test_category<is_null_pointer, int (ClassType::*)>(false), "");
  39   static_assert(test_category<is_null_pointer,
  40                 int (ClassType::*) (int)>(false), "");
  41   static_assert(test_category<is_null_pointer, int[2]>(false), "");
  42   static_assert(test_category<is_null_pointer, float[][3]>(false), "");
  43   static_assert(test_category<is_null_pointer, EnumType[2][3][4]>(false), "");
  44   static_assert(test_category<is_null_pointer, int*[3]>(false), "");
  45   static_assert(test_category<is_null_pointer, int(*[][2])(int)>(false), "");
  46   static_assert(test_category<is_null_pointer,
  47                 int (ClassType::*[2][3])>(false), "");
  48   static_assert(test_category<is_null_pointer,
  49                 int (ClassType::*[][2][3]) (int)>(false), "");
  50   static_assert(test_category<is_null_pointer, ClassType>(false), "");
  51   static_assert(test_category<is_null_pointer, PODType>(false), "");
  52   static_assert(test_category<is_null_pointer, void>(false), "");
  53   static_assert(test_category<is_null_pointer, NType>(false), "");
  54   static_assert(test_category<is_null_pointer, TType>(false), "");
  55   static_assert(test_category<is_null_pointer, SLType>(false), "");
  56 }