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// Copyright (C) 2010-2015 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/>.
// 20.7.11 Function template bind
// { dg-options "-std=gnu++11" }
#include <functional>
#include <testsuite_hooks.h>
// target must be invoked with cv-quals of call wrapper
struct X
{
int operator()() { return 0; }
int operator()() const { return 1; }
int operator()() volatile { return 2; }
int operator()() const volatile { return 3; }
int operator()(int, int, int) { return 0; }
int operator()(int, int, int) const { return 1; }
int operator()(int, int, int) volatile { return 2; }
int operator()(int, int, int) const volatile { return 3; }
};
using std::placeholders::_1;
using std::placeholders::_2;
void test01()
{
bool test __attribute__((unused)) = true;
auto b0 = std::bind(X());
VERIFY( b0() == 0 );
const auto b1 = std::bind(X());
VERIFY( b1() == 1 );
volatile auto b2 = std::bind(X());
VERIFY( b2() == 2 );
const volatile auto b3 = std::bind(X());
VERIFY( b3() == 3 );
}
void test02()
{
bool test __attribute__((unused)) = true;
auto b0 = std::bind<int>(X());
VERIFY( b0() == 0 );
const auto b1 = std::bind<int>(X());
VERIFY( b1() == 1 );
volatile auto b2 = std::bind<int>(X());
VERIFY( b2() == 2 );
const volatile auto b3 = std::bind<int>(X());
VERIFY( b3() == 3 );
}
void test03()
{
bool test __attribute__((unused)) = true;
auto b0 = std::bind(X(), 0, _1, _2);
VERIFY( b0(0, 0) == 0 );
const auto b1 = std::bind(X(), _1, 0, _2);
VERIFY( b1(0, 0) == 1 );
volatile auto b2 = std::bind(X(), _1, _2, 0);
VERIFY( b2(0, 0) == 2 );
const volatile auto b3 = std::bind(X(), _1, 0, _2);
VERIFY( b3(0, 0) == 3 );
}
void test04()
{
bool test __attribute__((unused)) = true;
auto b0 = std::bind<int>(X(), 0, _1, _2);
VERIFY( b0(0, 0) == 0 );
const auto b1 = std::bind<int>(X(), _1, 0, _2);
VERIFY( b1(0, 0) == 1 );
volatile auto b2 = std::bind<int>(X(), _1, _2, 0);
VERIFY( b2(0, 0) == 2 );
const volatile auto b3 = std::bind<int>(X(), _1, 0, _2);
VERIFY( b3(0, 0) == 3 );
}
int main()
{
test01();
test02();
test03();
test04();
return 0;
}
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