forked from boostorg/unordered
6aa582a90e
https://svn.boost.org/svn/boost/branches/unordered/trunk ........ r43840 | danieljames | 2008-03-24 17:25:07 +0000 (Mon, 24 Mar 2008) | 1 line Fix a g++ warning. ........ r43844 | danieljames | 2008-03-24 17:56:28 +0000 (Mon, 24 Mar 2008) | 1 line It's a new-ish year. ........ r43885 | danieljames | 2008-03-27 20:36:10 +0000 (Thu, 27 Mar 2008) | 1 line The release script doesn't need to copy images and css - because that's now done in the jamfiles. Also tweak the shell script a tad bit. ........ r43890 | danieljames | 2008-03-27 23:01:40 +0000 (Thu, 27 Mar 2008) | 1 line Starting to add a docbook bibliography. ........ r43894 | danieljames | 2008-03-27 23:24:18 +0000 (Thu, 27 Mar 2008) | 1 line Redeclare 'data' in iterator_base to help compilers which have trouble with accessing the nested typedef. ........ [SVN r43895]
112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
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// Copyright 2005-2008 Daniel James.
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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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#if !defined(BOOST_UNORDERED_TEST_HELPERS_RANDOM_VALUES_HEADER)
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#define BOOST_UNORDERED_TEST_HELPERS_RANDOM_VALUES_HEADER
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#include <list>
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#include <algorithm>
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#include <boost/mpl/if.hpp>
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#include "./generators.hpp"
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#include "./metafunctions.hpp"
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namespace test
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{
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typedef enum {
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default_generator,
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generate_collisions
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} random_generator;
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template <class X>
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struct unordered_generator_set
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{
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typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
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random_generator type_;
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unordered_generator_set(random_generator type)
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: type_(type) {}
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template <class T>
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void fill(T& x, std::size_t len) {
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value_type* value_ptr = 0;
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int* int_ptr = 0;
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for(std::size_t i = 0; i < len; ++i) {
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value_type value = generate(value_ptr);
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for(int count =
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type_ == generate_collisions ?
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generate(int_ptr) % 10 : 1;
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count; --count) {
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x.push_back(value);
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}
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}
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}
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};
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template <class X>
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struct unordered_generator_map
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{
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typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
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typedef BOOST_DEDUCED_TYPENAME X::mapped_type mapped_type;
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random_generator type_;
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unordered_generator_map(random_generator type)
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: type_(type) {}
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template <class T>
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void fill(T& x, std::size_t len) {
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key_type* key_ptr = 0;
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mapped_type* mapped_ptr = 0;
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int* int_ptr = 0;
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for(std::size_t i = 0; i < len; ++i) {
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key_type key = generate(key_ptr);
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for(int count =
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type_ == generate_collisions ?
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generate(int_ptr) % 10 : 1;
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count; --count) {
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x.push_back(std::pair<key_type const, mapped_type>(key, generate(mapped_ptr)));
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}
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}
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}
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};
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template <class X>
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struct unordered_generator_base
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: public boost::mpl::if_<
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test::is_set<X>,
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test::unordered_generator_set<X>,
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test::unordered_generator_map<X> >
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{
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};
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template <class X>
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struct unordered_generator : public unordered_generator_base<X>::type
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{
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typedef BOOST_DEDUCED_TYPENAME unordered_generator_base<X>::type base;
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unordered_generator(random_generator const& type = default_generator)
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: base(type) {}
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};
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template <class X>
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struct random_values
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: public std::list<BOOST_DEDUCED_TYPENAME X::value_type>
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{
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random_values(int count, test::random_generator const& generator =
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test::default_generator)
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{
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static test::unordered_generator<X> gen(generator);
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gen.fill(*this, count);
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}
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};
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}
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#endif
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