//
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// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/beast
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//
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#ifndef BOOST_BEAST_UNIT_TEST_DETAIL_CONST_CONTAINER_HPP
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#define BOOST_BEAST_UNIT_TEST_DETAIL_CONST_CONTAINER_HPP
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namespace boost {
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namespace beast {
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namespace unit_test {
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namespace detail {
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/** Adapter to constrain a container interface.
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The interface allows for limited read only operations. Derived classes
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provide additional behavior.
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*/
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template<class Container>
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class const_container
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{
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private:
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using cont_type = Container;
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cont_type m_cont;
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protected:
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cont_type& cont()
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{
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return m_cont;
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}
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cont_type const& cont() const
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{
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return m_cont;
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}
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public:
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using value_type = typename cont_type::value_type;
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using size_type = typename cont_type::size_type;
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using difference_type = typename cont_type::difference_type;
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using iterator = typename cont_type::const_iterator;
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using const_iterator = typename cont_type::const_iterator;
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/** Returns `true` if the container is empty. */
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bool
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empty() const
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{
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return m_cont.empty();
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}
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/** Returns the number of items in the container. */
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size_type
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size() const
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{
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return m_cont.size();
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}
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/** Returns forward iterators for traversal. */
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/** @{ */
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const_iterator
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begin() const
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{
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return m_cont.cbegin();
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}
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const_iterator
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cbegin() const
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{
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return m_cont.cbegin();
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}
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const_iterator
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end() const
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{
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return m_cont.cend();
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}
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const_iterator
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cend() const
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{
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return m_cont.cend();
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}
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/** @} */
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};
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} // detail
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} // unit_test
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} // beast
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} // boost
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#endif
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