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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// insert_iterator
// Test nested types and data members:
// template <InsertionContainer Cont>
// class insert_iterator {
// protected:
// Cont* container;
// Cont::iterator iter;
// public:
// typedef Cont container_type;
// typedef void value_type;
// typedef void difference_type;
// typedef void reference;
// typedef void pointer;
// };
#include <iterator>
#include <type_traits>
#include <vector>
template <class C>
struct find_members
: private std::insert_iterator<C>
{
explicit find_members(C& c) : std::insert_iterator<C>(c, c.begin()) {}
void test()
{
this->container = 0;
(void)(this->iter == this->iter);
}
};
template <class C>
void
test()
{
typedef std::insert_iterator<C> R;
C c;
find_members<C> q(c);
q.test();
static_assert((std::is_same<typename R::container_type, C>::value), "");
static_assert((std::is_same<typename R::value_type, void>::value), "");
static_assert((std::is_same<typename R::difference_type, void>::value), "");
static_assert((std::is_same<typename R::reference, void>::value), "");
static_assert((std::is_same<typename R::pointer, void>::value), "");
static_assert((std::is_same<typename R::iterator_category, std::output_iterator_tag>::value), "");
}
int main()
{
test<std::vector<int> >();
}
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