forked from boostorg/unordered
112 lines
4.1 KiB
C++
112 lines
4.1 KiB
C++
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// Copyright 2006-2007 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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#include <boost/unordered_set.hpp>
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#include <boost/unordered_map.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include "../objects/test.hpp"
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#include "../helpers/random_values.hpp"
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#include "../helpers/tracker.hpp"
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#include "../helpers/equivalent.hpp"
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#include "../helpers/invariants.hpp"
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test::seed_t seed(9063);
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template <class T>
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void copy_construct_tests1(T* = 0)
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{
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typename T::hasher hf;
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typename T::key_equal eq;
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typename T::allocator_type al;
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{
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T x;
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T y(x);
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BOOST_TEST(y.empty());
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BOOST_TEST(test::equivalent(y.hash_function(), hf));
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BOOST_TEST(test::equivalent(y.key_eq(), eq));
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BOOST_TEST(test::equivalent(y.get_allocator(), al));
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BOOST_TEST(x.max_load_factor() == y.max_load_factor());
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test::check_equivalent_keys(y);
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}
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{
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test::random_values<T> v(1000);
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T x(v.begin(), v.end());
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T y(x);
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test::unordered_equivalence_tester<T> equivalent(x);
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equivalent(y);
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test::check_equivalent_keys(y);
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}
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{
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// In this test I drop the original containers max load factor, so it
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// is much lower than the load factor. The hash table is not allowed
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// to rehash, but the destination container should probably allocate
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// enough buckets to decrease the load factor appropriately.
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test::random_values<T> v(1000);
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T x(v.begin(), v.end());
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x.max_load_factor(x.load_factor() / 4);
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T y(x);
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test::unordered_equivalence_tester<T> equivalent(x);
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equivalent(y);
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// This isn't guaranteed:
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BOOST_TEST(y.load_factor() < y.max_load_factor());
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test::check_equivalent_keys(y);
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}
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}
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template <class T>
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void copy_construct_tests2(T* ptr = 0)
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{
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copy_construct_tests1(ptr);
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typename T::hasher hf(1);
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typename T::key_equal eq(1);
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typename T::allocator_type al(1);
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{
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T x(10000, hf, eq, al);
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T y(x);
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BOOST_TEST(y.empty());
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BOOST_TEST(test::equivalent(y.hash_function(), hf));
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BOOST_TEST(test::equivalent(y.key_eq(), eq));
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BOOST_TEST(test::equivalent(y.get_allocator(), al));
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BOOST_TEST(x.max_load_factor() == y.max_load_factor());
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test::check_equivalent_keys(y);
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}
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{
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test::random_values<T> v(1000);
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T x(v.begin(), v.end(), 0, hf, eq, al);
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T y(x);
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test::unordered_equivalence_tester<T> equivalent(x);
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equivalent(y);
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test::check_equivalent_keys(y);
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}
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}
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int main()
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{
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copy_construct_tests1((boost::unordered_set<int>*) 0);
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copy_construct_tests1((boost::unordered_multiset<int>*) 0);
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copy_construct_tests1((boost::unordered_map<int, int>*) 0);
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copy_construct_tests1((boost::unordered_multimap<int, int>*) 0);
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copy_construct_tests2((boost::unordered_set<test::object, test::hash, test::equal_to, test::allocator<test::object> >*) 0);
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copy_construct_tests2((boost::unordered_multiset<test::object, test::hash, test::equal_to, test::allocator<test::object> >*) 0);
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copy_construct_tests2((boost::unordered_map<test::object, test::object, test::hash, test::equal_to, test::allocator<test::object> >*) 0);
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copy_construct_tests2((boost::unordered_multimap<test::object, test::object, test::hash, test::equal_to, test::allocator<test::object> >*) 0);
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copy_construct_tests2((boost::unordered_set<test::equivalent_object, test::hash, test::equal_to, test::allocator<test::equivalent_object> >*) 0);
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copy_construct_tests2((boost::unordered_multiset<test::equivalent_object, test::hash, test::equal_to, test::allocator<test::equivalent_object> >*) 0);
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copy_construct_tests2((boost::unordered_map<test::equivalent_object, test::equivalent_object, test::hash, test::equal_to, test::allocator<test::equivalent_object> >*) 0);
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copy_construct_tests2((boost::unordered_multimap<test::equivalent_object, test::equivalent_object, test::hash, test::equal_to, test::allocator<test::equivalent_object> >*) 0);
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return boost::report_errors();
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}
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