unordered/test/cfoa/exception_merge_tests.cpp
2023-09-16 10:15:05 +02:00

89 lines
2.3 KiB
C++

// Copyright (C) 2023 Christian Mazakas
// Copyright (C) 2023 Joaquin M Lopez Munoz
// 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)
#include "exception_helpers.hpp"
#include <boost/unordered/concurrent_flat_map.hpp>
#include <boost/unordered/concurrent_flat_set.hpp>
#include <boost/core/ignore_unused.hpp>
using hasher = stateful_hash;
using key_equal = stateful_key_equal;
using map_type = boost::unordered::concurrent_flat_map<raii, raii, hasher,
key_equal, stateful_allocator<std::pair<raii const, raii> > >;
using set_type = boost::unordered::concurrent_flat_set<raii, hasher,
key_equal, stateful_allocator<raii> >;
map_type* test_map;
set_type* test_set;
namespace {
test::seed_t initialize_seed(223333016);
template <class X, class GF>
void merge(X*, GF gen_factory, test::random_generator rg)
{
using allocator_type = typename X::allocator_type;
auto gen = gen_factory.template get<X>();
auto values = make_random_values(1024 * 16, [&] { return gen(rg); });
auto reference_cont = reference_container<X>(values.begin(), values.end());
raii::reset_counts();
auto begin = values.begin();
auto mid = begin + static_cast<std::ptrdiff_t>(values.size() / 2);
auto end = values.end();
{
unsigned num_throws = 0;
for (unsigned i = 0; i < 5 * alloc_throw_threshold; ++i) {
disable_exceptions();
X x1(0, hasher(1), key_equal(2), allocator_type(3));
x1.insert(begin, mid);
X x2(0, hasher(2), key_equal(1), allocator_type(3));
x2.insert(mid, end);
enable_exceptions();
try {
x1.merge(x2);
} catch (...) {
++num_throws;
}
disable_exceptions();
test_fuzzy_matches_reference(x1, reference_cont, rg);
test_fuzzy_matches_reference(x2, reference_cont, rg);
}
BOOST_TEST_GT(num_throws, 0u);
}
check_raii_counts();
}
} // namespace
using test::default_generator;
using test::limited_range;
using test::sequential;
// clang-format off
UNORDERED_TEST(
merge,
((test_map)(test_set))
((exception_value_type_generator_factory))
((default_generator)(sequential)(limited_range)))
// clang-format on
RUN_TESTS()