counter.hpp

// -*- c++ -*-
/* This file is a part of the cipra Unit Testing Framework.
 * Copyright (C) 2012, Patrick M. Niedzielski.
 * All rights reserved.
 *
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#ifndef CIPRA_COUNTER_HPP
#define CIPRA_COUNTER_HPP

#include <type_traits>
#include <atomic>

namespace cipra {

    template <typename integralT = int>
    class counter {
    public:
        static_assert(std::is_integral<integralT>::value,
                      "Counter type is not integral.");

        typedef typename std::make_unsigned<integralT>::type
            index_type;

        inline counter();

        inline index_type new_test_number();

    private:
        std::atomic<index_type> count;
    };
}

#include "counter.ipp"

#endif // #ifdef CIPRA_COUNTER_HPP