112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
// Copyright (C) 2010-2016 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.7.11 Function template bind
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// { dg-do run { target c++11 } }
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#include <functional>
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#include <testsuite_hooks.h>
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// target must be invoked with cv-quals of call wrapper
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struct X
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{
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int operator()() { return 0; }
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int operator()() const { return 1; }
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int operator()() volatile { return 2; }
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int operator()() const volatile { return 3; }
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int operator()(int, int, int) { return 0; }
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int operator()(int, int, int) const { return 1; }
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int operator()(int, int, int) volatile { return 2; }
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int operator()(int, int, int) const volatile { return 3; }
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};
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using std::placeholders::_1;
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using std::placeholders::_2;
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void test01()
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{
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auto b0 = std::bind(X());
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VERIFY( b0() == 0 );
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const auto b1 = std::bind(X());
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VERIFY( b1() == 1 );
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volatile auto b2 = std::bind(X());
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VERIFY( b2() == 2 );
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const volatile auto b3 = std::bind(X());
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VERIFY( b3() == 3 );
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}
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void test02()
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{
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auto b0 = std::bind<int>(X());
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VERIFY( b0() == 0 );
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const auto b1 = std::bind<int>(X());
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VERIFY( b1() == 1 );
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volatile auto b2 = std::bind<int>(X());
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VERIFY( b2() == 2 );
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const volatile auto b3 = std::bind<int>(X());
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VERIFY( b3() == 3 );
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}
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void test03()
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{
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auto b0 = std::bind(X(), 0, _1, _2);
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VERIFY( b0(0, 0) == 0 );
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const auto b1 = std::bind(X(), _1, 0, _2);
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VERIFY( b1(0, 0) == 1 );
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volatile auto b2 = std::bind(X(), _1, _2, 0);
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VERIFY( b2(0, 0) == 2 );
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const volatile auto b3 = std::bind(X(), _1, 0, _2);
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VERIFY( b3(0, 0) == 3 );
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}
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void test04()
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{
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auto b0 = std::bind<int>(X(), 0, _1, _2);
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VERIFY( b0(0, 0) == 0 );
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const auto b1 = std::bind<int>(X(), _1, 0, _2);
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VERIFY( b1(0, 0) == 1 );
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volatile auto b2 = std::bind<int>(X(), _1, _2, 0);
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VERIFY( b2(0, 0) == 2 );
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const volatile auto b3 = std::bind<int>(X(), _1, 0, _2);
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VERIFY( b3(0, 0) == 3 );
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}
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int main()
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{
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test01();
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test02();
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test03();
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test04();
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return 0;
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}
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