Subversion Repositories openrisc

// { dg-options "-std=gnu++0x" }

//

// Copyright (C) 2011 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::bases<A>::type tl;

    static_assert(tl::empty::value, "error");

  }

  // 2

  {

    typedef std::tr2::bases<B1>::type tl1;

    typedef std::tr2::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::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;

    typedef tl3::first::type            tl3_first;

    typedef tl3::rest::type             tl4;

    bool eq = typeid(tl1_first) == typeid(tl2_first);

    if (eq)

      throw std::logic_error("bases are not equal");

    eq = typeid(tl2_first) == typeid(tl3_first);

    if (eq)

      throw std::logic_error("bases are not equal");

    static_assert(tl4::empty::value == std::true_type::value, "empty");

  }

}

int main()

{

  test();

  return 0;

}