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// 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu>

//

// Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 3.7.2 polymorphic function object wrapper

#include <tr1/functional>

#include <testsuite_hooks.h>

#include <testsuite_tr1.h>

using namespace __gnu_test;

bool test __attribute__((unused)) = true;

// Put reference_wrappers to member pointers

void test08()

{

  using std::tr1::function;

  using std::tr1::ref;

  using std::tr1::cref;

  int X::* X_bar = &X::bar;

  int (X::* X_foo)() = &X::foo;

  int (X::* X_foo_c)() const = &X::foo_c;

  int (X::* X_foo_v)() volatile = &X::foo_v;

  int (X::* X_foo_cv)() const volatile = &X::foo_cv;

  X x;

  x.bar = 17;

  function<int(X&)> frm(ref(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(ref(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(ref(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(ref(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(ref(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(ref(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(ref(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(ref(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(ref(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(ref(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 );

  function<int(X&)> hrm(cref(X_bar));

  VERIFY( hrm );

  VERIFY( hrm(x) == 17 );

  VERIFY( typeid(int X::*) == hrm.target_type() );

  VERIFY( hrm.target<int X::*>() == 0 );

  VERIFY( hrm.target<int X::* const>() == &X_bar );

  function<int(X&)> hr(cref(X_foo));

  VERIFY( hr );

  VERIFY( hr(x) == 1 );

  VERIFY( typeid(int (X::*)()) == hr.target_type() );

  VERIFY( hr.target<int (X::* const)()>() == &X_foo );

  function<int(const X&)> hrc(cref(X_foo_c));

  VERIFY( hrc );

  VERIFY( hrc(x) == 2 );

  VERIFY( typeid(int (X::*)() const) == hrc.target_type() );

  VERIFY( hrc.target<int (X::* const)() const >() == &X_foo_c );

  function<int(volatile X&)> hrv(cref(X_foo_v));

  VERIFY( hrv );

  VERIFY( hrv(x) == 3 );

  VERIFY( typeid(int (X::*)() volatile) == hrv.target_type() );

  VERIFY( hrv.target<int (X::* const)() volatile >() == &X_foo_v );

  VERIFY( hrv.target<int (X::* const)() const volatile>() == 0 );

  function<int(const volatile X&)> hrcv(cref(X_foo_cv));

  VERIFY( hrcv );

  VERIFY( hrcv(x) == 4 );

  VERIFY( typeid(int (X::*)() const volatile) == hrcv.target_type() );

  VERIFY( hrcv.target<int (X::* const)() const volatile >() == &X_foo_cv );

  VERIFY( hrcv.target<int (X::* const)() const>() == 0 );

}

int main()

{

  test08();

  return 0;

}