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Add load_factor_tests

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This commit is contained in:
Christian Mazakas
2022-10-07 10:56:47 -07:00
parent d3ef0b9a4f
commit e0bb258b39
2 changed files with 33 additions and 4 deletions
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1
test/Jamfile.v2
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@ -112,4 +112,5 @@ build_foa emplace_tests ;
build_foa erase_tests ;
build_foa find_tests ;
build_foa at_tests ;
build_foa load_factor_tests ;
build_foa rehash_tests ;

36
test/unordered/load_factor_tests.cpp
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@ -5,8 +5,14 @@
// clang-format off
#include "../helpers/prefix.hpp"
#ifdef BOOST_UNORDERED_FOA_TESTS
#include <boost/unordered/unordered_flat_map.hpp>
#include <boost/unordered/unordered_flat_set.hpp>
#include <boost/unordered/detail/implementation.hpp>
#else
#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
#endif
#include "../helpers/postfix.hpp"
// clang-format on
@ -26,7 +32,17 @@ namespace load_factor_tests {
template <class X> void set_load_factor_tests(X*)
{
X x;
#ifdef BOOST_UNORDERED_FOA_TESTS
BOOST_TEST(x.max_load_factor() == boost::unordered::detail::foa::mlf);
BOOST_TEST(x.load_factor() == 0);
// A valid implementation could fail these tests, but I think they're
// reasonable.
x.max_load_factor(2.0);
BOOST_TEST(x.max_load_factor() == boost::unordered::detail::foa::mlf);
x.max_load_factor(0.5);
BOOST_TEST(x.max_load_factor() == boost::unordered::detail::foa::mlf);
#else
BOOST_TEST(x.max_load_factor() == 1.0);
BOOST_TEST(x.load_factor() == 0);
@ -36,6 +52,7 @@ namespace load_factor_tests {
BOOST_TEST(x.max_load_factor() == 2.0);
x.max_load_factor(0.5);
BOOST_TEST(x.max_load_factor() == 0.5);
#endif
}
template <class X>
@ -72,21 +89,32 @@ namespace load_factor_tests {
insert_test(ptr, std::numeric_limits<float>::infinity(), generator);
}
using test::default_generator;
using test::generate_collisions;
using test::limited_range;
#ifdef BOOST_UNORDERED_FOA_TESTS
boost::unordered_flat_set<int>* int_set_ptr;
boost::unordered_flat_map<int, int>* int_map_ptr;
UNORDERED_TEST(set_load_factor_tests, ((int_set_ptr)(int_map_ptr)))
UNORDERED_TEST(load_factor_insert_tests,
((int_set_ptr)(int_map_ptr))(
(default_generator)(generate_collisions)(limited_range)))
#else
boost::unordered_set<int>* int_set_ptr;
boost::unordered_multiset<int>* int_multiset_ptr;
boost::unordered_map<int, int>* int_map_ptr;
boost::unordered_multimap<int, int>* int_multimap_ptr;
using test::default_generator;
using test::generate_collisions;
using test::limited_range;
UNORDERED_TEST(set_load_factor_tests,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr)))
UNORDERED_TEST(load_factor_insert_tests,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))(
(default_generator)(generate_collisions)(limited_range)))
#endif
}
RUN_TESTS()