1// { dg-options "-std=gnu++0x" } 2 3// 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> 4// 5// Copyright (C) 2007, 2009 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 <cstdlib> 23#include <type_traits> 24#include <testsuite_hooks.h> 25 26void test01() 27{ 28 bool test __attribute__((unused)) = true; 29 using std::decay; 30 using std::is_same; 31 32 // Positive tests. 33 typedef decay<bool>::type test1_type; 34 VERIFY( (is_same<test1_type, bool>::value) ); 35 36 // NB: DR 705. 37 typedef decay<const int>::type test2_type; 38 VERIFY( (is_same<test2_type, int>::value) ); 39 40 typedef decay<int[4]>::type test3_type; 41 VERIFY( (is_same<test3_type, std::remove_extent<int[4]>::type*>::value) ); 42 43 typedef void (fn_type) (); 44 typedef decay<fn_type>::type test4_type; 45 VERIFY( (is_same<test4_type, std::add_pointer<fn_type>::type>::value) ); 46} 47 48int main() 49{ 50 test01(); 51 return 0; 52} 53