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- // Copyright 2005-2009 Daniel James.
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #if !defined(BOOST_UNORDERED_TEST_HELPERS_RANDOM_VALUES_HEADER)
- #define BOOST_UNORDERED_TEST_HELPERS_RANDOM_VALUES_HEADER
- #include "./generators.hpp"
- #include "./list.hpp"
- #include "./metafunctions.hpp"
- #include <algorithm>
- #include <boost/detail/select_type.hpp>
- namespace test {
- template <class X> struct unordered_generator_set
- {
- typedef typename X::value_type value_type;
- random_generator type_;
- unordered_generator_set(random_generator type) : type_(type) {}
- template <class T> void fill(T& x, std::size_t len)
- {
- value_type* value_ptr = 0;
- len += x.size();
- for (std::size_t i = 0; i < len; ++i) {
- value_type value = generate(value_ptr, type_);
- std::size_t count =
- type_ == generate_collisions ? random_value(5) + 1 : 1;
- for (std::size_t j = 0; j < count; ++j) {
- x.push_back(value);
- }
- }
- }
- };
- template <class X> struct unordered_generator_map
- {
- typedef typename X::key_type key_type;
- typedef typename X::mapped_type mapped_type;
- random_generator type_;
- unordered_generator_map(random_generator type) : type_(type) {}
- template <class T> void fill(T& x, std::size_t len)
- {
- key_type* key_ptr = 0;
- mapped_type* mapped_ptr = 0;
- for (std::size_t i = 0; i < len; ++i) {
- key_type key = generate(key_ptr, type_);
- std::size_t count =
- type_ == generate_collisions ? random_value(5) + 1 : 1;
- for (std::size_t j = 0; j < count; ++j) {
- x.push_back(std::pair<key_type const, mapped_type>(
- key, generate(mapped_ptr, type_)));
- }
- }
- }
- };
- template <class X>
- struct unordered_generator_base
- : public boost::detail::if_true<test::is_set<X>::value>::
- BOOST_NESTED_TEMPLATE then<test::unordered_generator_set<X>,
- test::unordered_generator_map<X> >
- {
- };
- template <class X>
- struct unordered_generator : public unordered_generator_base<X>::type
- {
- typedef typename unordered_generator_base<X>::type base;
- unordered_generator(random_generator const& type = default_generator)
- : base(type)
- {
- }
- };
- template <class X>
- struct random_values : public test::list<typename X::value_type>
- {
- random_values() {}
- explicit random_values(std::size_t count,
- test::random_generator const& generator = test::default_generator)
- {
- fill(count, generator);
- }
- void fill(std::size_t count,
- test::random_generator const& generator = test::default_generator)
- {
- test::unordered_generator<X> gen(generator);
- gen.fill(*this, count);
- }
- };
- }
- #endif
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