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

   1 // { dg-options "-std=gnu++0x" }
   2 //
   3 // Copyright (C) 2011-2013 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_hooks.h>
  22 #include <testsuite_tr1.h>
  23
  24 void test01()
  25 {
  26   bool test __attribute__((unused)) = true;
  27   using std::is_function;
  28   using namespace __gnu_test;
  29
  30   // Positive tests.
  31   VERIFY( (test_category<is_function, int (int)>(true)) );
  32   VERIFY( (test_category<is_function, ClassType (ClassType)>(true)) );
  33   VERIFY( (test_category<is_function, float (int, float, int[], int&)>(true)) );
  34   VERIFY( (test_category<is_function, int (int, ...)>(true)) );
  35   VERIFY( (test_category<is_function, bool (ClassType) const>(true)) );
  36   VERIFY( (test_category<is_function, ClassType () &>(true)) );
  37   VERIFY( (test_category<is_function, char (int, ClassType) const volatile &&>(true)) );
  38
  39   // Negative tests.
  40   VERIFY( (test_category<is_function, int&>(false)) );
  41   VERIFY( (test_category<is_function, void>(false)) );
  42   VERIFY( (test_category<is_function, const void>(false)) );
  43
  44   VERIFY( (test_category<is_function, AbstractClass>(false)) );
  45   VERIFY( (test_category<is_function, int(&)(int)>(false)) );
  46
  47   // Sanity check.
  48   VERIFY( (test_category<is_function, ClassType>(false)) );
  49 }
  50
  51 int main()
  52 {
  53   test01();
  54   return 0;
  55 }