mirror of git://gcc.gnu.org/git/gcc.git
106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
// { dg-do run { target c++11 } }
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// 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu>
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//
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// Copyright (C) 2005-2016 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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//
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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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//
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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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// 20.7.15 polymorphic function object wrapper
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#include <functional>
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#include <testsuite_hooks.h>
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#include <testsuite_tr1.h>
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using namespace __gnu_test;
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// Put member pointers into function<> wrappers
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void test05()
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{
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using std::function;
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X x;
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x.bar = 17;
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function<int(X&)> frm(&X::bar);
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VERIFY( frm );
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VERIFY( frm(x) == 17 );
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VERIFY( typeid(int X::*) == frm.target_type() );
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VERIFY( *frm.target<int X::*>() == &X::bar );
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function<int(X&)> fr(&X::foo);
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VERIFY( fr );
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VERIFY( fr(x) == 1 );
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VERIFY( typeid(int (X::*)()) == fr.target_type() );
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VERIFY( *fr.target<int (X::*)()>() == &X::foo );
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function<int(const X&)> frc(&X::foo_c);
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VERIFY( frc );
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VERIFY( frc(x) == 2 );
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VERIFY( typeid(int (X::*)() const) == frc.target_type() );
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VERIFY( *frc.target<int (X::*)() const >() == &X::foo_c );
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function<int(volatile X&)> frv(&X::foo_v);
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VERIFY( frv );
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VERIFY( frv(x) == 3 );
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VERIFY( typeid(int (X::*)() volatile) == frv.target_type() );
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VERIFY( *frv.target<int (X::*)() volatile >() == &X::foo_v );
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VERIFY( frv.target<int (X::*)() const volatile>() == 0 );
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function<int(const volatile X&)> frcv(&X::foo_cv);
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VERIFY( frcv );
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VERIFY( frcv(x) == 4 );
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VERIFY( typeid(int (X::*)() const volatile) == frcv.target_type() );
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VERIFY( *frcv.target<int (X::*)() const volatile >() == &X::foo_cv );
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VERIFY( frcv.target<int (X::*)() const>() == 0 );
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function<int(X*)> grm(&X::bar);
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VERIFY( grm );
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VERIFY( grm(&x) == 17 );
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VERIFY( typeid(int X::*) == grm.target_type() );
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VERIFY( *grm.target<int X::*>() == &X::bar );
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function<int(X*)> gr(&X::foo);
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VERIFY( gr );
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VERIFY( gr(&x) == 1 );
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VERIFY( typeid(int (X::*)()) == gr.target_type() );
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VERIFY( *gr.target<int (X::*)()>() == &X::foo );
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function<int(const X*)> grc(&X::foo_c);
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VERIFY( grc );
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VERIFY( grc(&x) == 2 );
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VERIFY( typeid(int (X::*)() const) == grc.target_type() );
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VERIFY( *grc.target<int (X::*)() const >() == &X::foo_c );
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function<int(volatile X*)> grv(&X::foo_v);
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VERIFY( grv );
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VERIFY( grv(&x) == 3 );
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VERIFY( typeid(int (X::*)() volatile) == grv.target_type() );
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VERIFY( *grv.target<int (X::*)() volatile >() == &X::foo_v );
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VERIFY( grv.target<int (X::*)() const volatile>() == 0 );
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function<int(const volatile X*)> grcv(&X::foo_cv);
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VERIFY( grcv );
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VERIFY( grcv(&x) == 4 );
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VERIFY( typeid(int (X::*)() const volatile) == grcv.target_type() );
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VERIFY( *grcv.target<int (X::*)() const volatile >() == &X::foo_cv );
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VERIFY( grcv.target<int (X::*)() const>() == 0 );
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}
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int main()
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{
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test05();
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return 0;
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}
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