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

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3 // Copyright (C) 2009-2014 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <type_traits>
  21 #include <testsuite_tr1.h>
  22
  23 void test01()
  24 {
  25   using std::is_constructible;
  26   using namespace __gnu_test;
  27
  28   // Positive tests.
  29   static_assert(test_property<is_constructible,
  30                 ExplicitClass, double&>(true), "");
  31   static_assert(test_property<is_constructible, ExplicitClass, int&>(true), "");
  32
  33   // Negative tests.
  34   static_assert(test_property<is_constructible,
  35                 ExplicitClass, void*>(false), "");
  36   static_assert(test_property<is_constructible, ExplicitClass>(false), "");
  37   static_assert(test_property<is_constructible, ExplicitClass,
  38                 int, double>(false), "");
  39 }