blob: 338abb6783ef1bda87177e8c913f906c5433b3d2 [file] [log] [blame]
// { dg-do run { target c++11 } }
// 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu>
//
// Copyright (C) 2005-2022 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/>.
// 20.7.15 polymorphic function object wrapper
#include <functional>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
using namespace __gnu_test;
// Put member pointers into function<> wrappers
void test05()
{
using std::function;
X x;
x.bar = 17;
function<int(X&)> frm(&X::bar);
VERIFY( frm );
VERIFY( frm(x) == 17 );
VERIFY( typeid(int X::*) == frm.target_type() );
VERIFY( *frm.target<int X::*>() == &X::bar );
function<int(X&)> fr(&X::foo);
VERIFY( fr );
VERIFY( fr(x) == 1 );
VERIFY( typeid(int (X::*)()) == fr.target_type() );
VERIFY( *fr.target<int (X::*)()>() == &X::foo );
function<int(const X&)> frc(&X::foo_c);
VERIFY( frc );
VERIFY( frc(x) == 2 );
VERIFY( typeid(int (X::*)() const) == frc.target_type() );
VERIFY( *frc.target<int (X::*)() const >() == &X::foo_c );
function<int(volatile X&)> frv(&X::foo_v);
VERIFY( frv );
VERIFY( frv(x) == 3 );
VERIFY( typeid(int (X::*)() volatile) == frv.target_type() );
VERIFY( *frv.target<int (X::*)() volatile >() == &X::foo_v );
VERIFY( frv.target<int (X::*)() const volatile>() == 0 );
function<int(const volatile X&)> frcv(&X::foo_cv);
VERIFY( frcv );
VERIFY( frcv(x) == 4 );
VERIFY( typeid(int (X::*)() const volatile) == frcv.target_type() );
VERIFY( *frcv.target<int (X::*)() const volatile >() == &X::foo_cv );
VERIFY( frcv.target<int (X::*)() const>() == 0 );
function<int(X*)> grm(&X::bar);
VERIFY( grm );
VERIFY( grm(&x) == 17 );
VERIFY( typeid(int X::*) == grm.target_type() );
VERIFY( *grm.target<int X::*>() == &X::bar );
function<int(X*)> gr(&X::foo);
VERIFY( gr );
VERIFY( gr(&x) == 1 );
VERIFY( typeid(int (X::*)()) == gr.target_type() );
VERIFY( *gr.target<int (X::*)()>() == &X::foo );
function<int(const X*)> grc(&X::foo_c);
VERIFY( grc );
VERIFY( grc(&x) == 2 );
VERIFY( typeid(int (X::*)() const) == grc.target_type() );
VERIFY( *grc.target<int (X::*)() const >() == &X::foo_c );
function<int(volatile X*)> grv(&X::foo_v);
VERIFY( grv );
VERIFY( grv(&x) == 3 );
VERIFY( typeid(int (X::*)() volatile) == grv.target_type() );
VERIFY( *grv.target<int (X::*)() volatile >() == &X::foo_v );
VERIFY( grv.target<int (X::*)() const volatile>() == 0 );
function<int(const volatile X*)> grcv(&X::foo_cv);
VERIFY( grcv );
VERIFY( grcv(&x) == 4 );
VERIFY( typeid(int (X::*)() const volatile) == grcv.target_type() );
VERIFY( *grcv.target<int (X::*)() const volatile >() == &X::foo_cv );
VERIFY( grcv.target<int (X::*)() const>() == 0 );
}
int main()
{
test05();
return 0;
}