callable_traits/test/has_member_qualifiers_simple.cpp
2017-07-02 15:25:02 -05:00

59 lines
1.4 KiB
C++

/*
Copyright Barrett Adair 2016-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
*/
#include <type_traits>
#include <functional>
#include <utility>
#include <boost/callable_traits/has_member_qualifiers.hpp>
#include "test.hpp"
struct foo {};
template<typename T>
void assert_qualified() {
CT_ASSERT( has_member_qualifiers<T>::value);
}
template<typename T>
void assert_unqualified() {
CT_ASSERT(! has_member_qualifiers<T>::value);
}
int main() {
{
using f = void(foo::*)();
using c = void(foo::*)() const;
using v = void(foo::*)() volatile;
using cv = void(foo::*)() const volatile;
assert_unqualified<f>();
assert_qualified<c>();
assert_qualified<v>();
assert_qualified<cv>();
}
{
struct f { int operator()() { return 0; } };
struct c { int operator()() const { return 0; } };
struct v { int operator()() volatile { return 0; } };
struct cv { int operator()() const volatile { return 0; } };
assert_unqualified<f>();
assert_qualified<c>();
assert_qualified<v>();
assert_qualified<cv>();
}
using f_ptr = void(*)();
assert_unqualified<f_ptr>();
assert_unqualified<f_ptr foo::*>();
assert_unqualified<int foo::*>();
assert_unqualified<void(&)()>();
}