mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
// { dg-options "-std=gnu++0x" }
|
|
//
|
|
// Copyright (C) 2011-2014 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
#include <tr2/type_traits>
|
|
#include <typeinfo>
|
|
#include <stdexcept>
|
|
|
|
struct A { };
|
|
struct B1 : virtual public A { };
|
|
struct B2 : virtual public A { };
|
|
struct C : public B1, public B2 { };
|
|
|
|
void test()
|
|
{
|
|
bool test __attribute__((unused)) = true;
|
|
|
|
// 1
|
|
{
|
|
typedef std::tr2::direct_bases<A>::type tl;
|
|
static_assert(tl::empty::value, "error");
|
|
}
|
|
|
|
// 2
|
|
{
|
|
typedef std::tr2::direct_bases<B1>::type tl1;
|
|
typedef std::tr2::direct_bases<B2>::type tl2;
|
|
|
|
// Sanity check w/ runtime.
|
|
bool eq = typeid(tl1) == typeid(tl2);
|
|
if (!eq)
|
|
throw std::logic_error("typelist not equal");
|
|
|
|
// Sanity check.
|
|
static_assert(tl1::empty::value != std::true_type::value, "!empty");
|
|
static_assert(tl2::empty::value != std::true_type::value, "!empty");
|
|
|
|
typedef tl1::first::type tl1_first;
|
|
typedef tl1::rest::type tl1_rest;
|
|
typedef tl2::first::type tl2_first;
|
|
typedef tl2::rest::type tl2_rest;
|
|
|
|
eq = typeid(tl1_first) == typeid(tl2_first);
|
|
if (!eq)
|
|
throw std::logic_error("base not equal");
|
|
|
|
static_assert(tl1_rest::empty::value == std::true_type::value, "empty");
|
|
static_assert(tl2_rest::empty::value == std::true_type::value, "empty");
|
|
}
|
|
|
|
// 3
|
|
{
|
|
typedef std::tr2::direct_bases<C>::type tl;
|
|
|
|
// Sanity check.
|
|
static_assert(tl::empty::value != std::true_type::value, "!empty");
|
|
|
|
typedef tl::first::type tl1_first;
|
|
typedef tl::rest::type tl2;
|
|
typedef tl2::first::type tl2_first;
|
|
typedef tl2::rest::type tl3;
|
|
|
|
bool eq = typeid(tl1_first) == typeid(tl2_first);
|
|
if (eq)
|
|
throw std::logic_error("bases are not equal");
|
|
|
|
static_assert(tl3::empty::value == std::true_type::value, "empty");
|
|
}
|
|
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test();
|
|
return 0;
|
|
}
|