forked from boostorg/unordered
137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
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// Copyright 2016 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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// clang-format off
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#include "../helpers/prefix.hpp"
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#include <boost/unordered_map.hpp>
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#include <boost/unordered_set.hpp>
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#include "../helpers/postfix.hpp"
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// clang-format on
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#include "../helpers/equivalent.hpp"
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#include "../helpers/helpers.hpp"
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#include "../helpers/invariants.hpp"
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#include "../helpers/random_values.hpp"
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#include "../helpers/test.hpp"
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#include "../helpers/tracker.hpp"
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#include "../objects/test.hpp"
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namespace extract_tests {
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test::seed_t initialize_seed(85638);
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template <class Container>
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void extract_tests1(Container*, test::random_generator generator)
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Extract by key.\n";
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{
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test::check_instances check_;
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test::random_values<Container> v(1000, generator);
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Container x(v.begin(), v.end());
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int iterations = 0;
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for (BOOST_DEDUCED_TYPENAME test::random_values<Container>::iterator it =
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v.begin();
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it != v.end(); ++it) {
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std::size_t count = x.count(test::get_key<Container>(*it));
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std::size_t old_size = x.size();
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std::size_t new_count = count ? count - 1 : count;
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std::size_t new_size = count ? old_size - 1 : old_size;
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typename Container::node_type n =
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x.extract(test::get_key<Container>(*it));
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BOOST_TEST((n ? true : false) == (count ? true : false));
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BOOST_TEST(x.size() == new_size);
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BOOST_TEST(x.count(test::get_key<Container>(*it)) == new_count);
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if (!new_count) {
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BOOST_TEST(x.find(test::get_key<Container>(*it)) == x.end());
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} else {
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BOOST_TEST(x.find(test::get_key<Container>(*it)) != x.end());
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}
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if (++iterations % 20 == 0)
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test::check_equivalent_keys(x);
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}
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BOOST_TEST(x.empty());
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}
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "extract(begin()).\n";
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{
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test::check_instances check_;
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test::random_values<Container> v(1000, generator);
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Container x(v.begin(), v.end());
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std::size_t size = x.size();
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int iterations = 0;
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while (size > 0 && !x.empty()) {
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BOOST_DEDUCED_TYPENAME Container::key_type key =
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test::get_key<Container>(*x.begin());
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std::size_t count = x.count(key);
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typename Container::node_type n = x.extract(x.begin());
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BOOST_TEST(n);
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--size;
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BOOST_TEST(x.count(key) == count - 1);
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BOOST_TEST(x.size() == size);
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if (++iterations % 20 == 0)
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test::check_equivalent_keys(x);
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}
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BOOST_TEST(x.empty());
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}
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "extract(random position).\n";
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{
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test::check_instances check_;
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test::random_values<Container> v(1000, generator);
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Container x(v.begin(), v.end());
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std::size_t size = x.size();
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int iterations = 0;
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while (size > 0 && !x.empty()) {
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using namespace std;
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int index = rand() % (int)x.size();
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BOOST_DEDUCED_TYPENAME Container::const_iterator prev, pos, next;
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if (index == 0) {
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prev = pos = x.begin();
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} else {
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prev = test::next(x.begin(), index - 1);
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pos = test::next(prev);
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}
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next = test::next(pos);
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BOOST_DEDUCED_TYPENAME Container::key_type key =
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test::get_key<Container>(*pos);
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std::size_t count = x.count(key);
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typename Container::node_type n = x.extract(pos);
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BOOST_TEST(n);
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--size;
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if (size > 0)
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BOOST_TEST(index == 0 ? next == x.begin() : next == test::next(prev));
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BOOST_TEST(x.count(key) == count - 1);
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BOOST_TEST(x.size() == size);
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if (++iterations % 20 == 0)
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test::check_equivalent_keys(x);
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}
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BOOST_TEST(x.empty());
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}
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
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}
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boost::unordered_set<test::object, test::hash, test::equal_to,
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test::allocator1<test::object> >* test_set;
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boost::unordered_multiset<test::object, test::hash, test::equal_to,
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test::allocator2<test::object> >* test_multiset;
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boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
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test::allocator1<test::object> >* test_map;
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boost::unordered_multimap<test::object, test::object, test::hash,
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test::equal_to, test::allocator2<test::object> >* test_multimap;
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using test::default_generator;
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using test::generate_collisions;
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UNORDERED_TEST(
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extract_tests1, ((test_set)(test_multiset)(test_map)(test_multimap))(
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(default_generator)(generate_collisions)))
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}
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RUN_TESTS()
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