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/*
Copyright 2018 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/empty_value.hpp>
#include <boost/core/lightweight_test.hpp>
#if !defined(BOOST_NO_CXX11_FINAL)
class type final {
public:
explicit type(int count)
: value_(count) { }
int value() const {
return value_ + 1;
}
int value() {
return value_ + 2;
}
private:
int value_;
};
struct empty final {
int value() const {
return 1;
}
int value() {
return 2;
}
};
void test_type()
{
const boost::empty_value<type> v1(boost::empty_init_t(), 3);
BOOST_TEST(v1.get().value() == 4);
boost::empty_value<type> v2(boost::empty_init_t(), 3);
BOOST_TEST(v2.get().value() == 5);
}
void test_empty()
{
const boost::empty_value<empty> v1 = boost::empty_init_t();
BOOST_TEST(v1.get().value() == 1);
boost::empty_value<empty> v2;
BOOST_TEST(v2.get().value() == 2);
}
int main()
{
test_type();
test_empty();
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif
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