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/*
Copyright 2019 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/noinit_adaptor.hpp>
#include <boost/core/default_allocator.hpp>
#include <boost/core/lightweight_test.hpp>
#include <vector>
template<class T>
class creator
: public boost::default_allocator<T> {
public:
template<class U>
struct rebind {
typedef creator<U> other;
};
creator(int state)
: state_(state) { }
template<class U>
creator(const creator<U>& other)
: state_(other.state()) { }
template<class U, class V>
void construct(U*, const V&) {
BOOST_ERROR("construct");
}
template<class U>
void destroy(U*) {
BOOST_ERROR("destroy");
}
int state() const {
return state_;
}
private:
int state_;
};
template<class T, class U>
inline bool
operator==(const creator<T>& lhs, const creator<U>& rhs)
{
return lhs.state() == rhs.state();
}
template<class T, class U>
inline bool
operator!=(const creator<T>& lhs, const creator<U>& rhs)
{
return !(lhs == rhs);
}
class type {
public:
type() { }
type(int value)
: value_(value) { }
int value() const {
return value_;
}
private:
int value_;
};
inline bool
operator==(const type& lhs, const type& rhs)
{
return lhs.value() == rhs.value();
}
template<class A>
void test(const A& allocator)
{
std::vector<typename A::value_type, A> v(allocator);
v.push_back(1);
BOOST_TEST(v.front() == 1);
v.clear();
v.resize(5);
v.front() = 1;
}
int main()
{
test(boost::noinit_adaptor<creator<int> >(1));
test(boost::noinit_adaptor<creator<type> >(2));
test(boost::noinit_adapt(creator<int>(3)));
test(boost::noinit_adapt(creator<type>(4)));
return boost::report_errors();
}
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