1// { dg-options "-std=gnu++11" } 2// { dg-do compile } 3 4// 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> 5// 6// Copyright (C) 2007-2015 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 25void test01() 26{ 27 using std::decay; 28 using std::is_same; 29 30 // Positive tests. 31 typedef decay<bool>::type test1_type; 32 static_assert( is_same<test1_type, bool>(), "decay<bool>" ); 33 34 // NB: DR 705. 35 typedef decay<const int>::type test2_type; 36 static_assert( is_same<test2_type, int>(), "decay<const int>" ); 37 38 typedef decay<int[4]>::type test3_type; 39 static_assert( is_same<test3_type, std::remove_extent<int[4]>::type*>(), 40 "decay<int[4]>" ); 41 42 typedef void (fn_type) (); 43 typedef decay<fn_type>::type test4_type; 44 static_assert( is_same<test4_type, std::add_pointer<fn_type>::type>(), 45 "decay<fn_type>" ); 46 47 typedef void (cfn_type) () const; 48 typedef decay<cfn_type>::type test5_type; 49 static_assert( is_same<test5_type, cfn_type>(), "decay<cfn_type>" ); 50} 51