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// 2005-02-27 Douglas Gregor <doug.gregor -at- gmail.com>
//
// Copyright (C) 2005-2018 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/>.
// 2.1 reference wrappers
#include <tr1/functional>
#include <tr1/type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
using namespace __gnu_test;
struct X
{
typedef int result_type;
X() : bar(17) {}
int foo(float x) { return truncate_float(x); }
int foo_c(float x) const { return truncate_float(x); }
int foo_v(float x) volatile { return truncate_float(x); }
int foo_cv(float x) const volatile { return truncate_float(x); }
int operator()(float x)
{
return foo(x) + 1;
}
int operator()(float x) const
{
return foo_c(x) + 2;
}
int bar;
private:
X(const X&);
X& operator=(const X&);
};
int seventeen() { return 17; }
struct get_seventeen
{
typedef int result_type;
int operator()() const { return 17; }
};
void test01()
{
using std::tr1::ref;
using std::tr1::cref;
::get_seventeen get_sev;
::X x;
::X* xp = &x;
int (::X::* p_foo)(float) = &::X::foo;
int (::X::* p_foo_c)(float) const = &::X::foo_c;
int (::X::* p_foo_v)(float) volatile = &::X::foo_v;
int (::X::* p_foo_cv)(float) const volatile = &::X::foo_cv;
int ::X::* p_bar = &::X::bar;
const float pi = 3.14;
// Functions
VERIFY(ref(truncate_float)(pi) == 3);
VERIFY(ref(seventeen)() == 17);
// Function pointers
VERIFY(cref(&truncate_float)(pi) == 3);
VERIFY(cref(&seventeen)() == 17);
// Member function pointers
VERIFY(ref(p_foo)(x, pi) == 3);
VERIFY(ref(p_foo)(xp, pi) == 3);
VERIFY(ref(p_foo_c)(x, pi) == 3);
VERIFY(ref(p_foo_c)(xp, pi) == 3);
VERIFY(ref(p_foo_v)(x, pi) == 3);
VERIFY(ref(p_foo_v)(xp, pi) == 3);
VERIFY(ref(p_foo_cv)(x, pi) == 3);
VERIFY(ref(p_foo_cv)(xp, pi) == 3);
// Member data pointers
VERIFY(ref(p_bar)(x) == 17);
VERIFY(ref(p_bar)(xp) == 17);
// Function objects
VERIFY(ref(get_sev)() == 17);
VERIFY(cref(get_sev)() == 17);
VERIFY(ref(x)(pi) == 4);
VERIFY(cref(x)(pi) == 5);
}
int main()
{
test01();
return 0;
}
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