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Test empty visitation

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This commit is contained in:
Christian Mazakas
2023-04-12 12:23:16 -07:00
parent d9b62d24dc
commit 0898219edc
1 changed files with 52 additions and 0 deletions
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52
test/cfoa/visit_tests.cpp
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@ -376,6 +376,51 @@ namespace {
raii::destructor); raii::destructor);
} }
template <class X, class G>
void empty_visit(X*, G gen, test::random_generator rg)
{
auto values = make_random_values(1024 * 16, [&] { return gen(rg); });
raii::reset_counts();
{
X x;
std::uint64_t old_default_constructor = raii::default_constructor;
std::uint64_t old_copy_constructor = raii::copy_constructor;
std::uint64_t old_move_constructor = raii::move_constructor;
std::uint64_t old_copy_assignment = raii::copy_assignment;
std::uint64_t old_move_assignment = raii::move_assignment;
{
thread_runner(
values, [&x](boost::span<typename decltype(values)::value_type> s) {
std::atomic<std::uint64_t> num_visits{0};
x.visit_all(
[&num_visits](typename X::value_type const&) { ++num_visits; });
BOOST_TEST_EQ(num_visits, 0u);
for (auto const& val : s) {
auto count = x.visit(val.first,
[&num_visits](typename X::value_type const&) { ++num_visits; });
BOOST_TEST_EQ(count, 0u);
}
});
}
BOOST_TEST_EQ(old_default_constructor, raii::default_constructor);
BOOST_TEST_EQ(old_copy_constructor, raii::copy_constructor);
BOOST_TEST_EQ(old_move_constructor, raii::move_constructor);
BOOST_TEST_EQ(old_copy_assignment, raii::copy_assignment);
BOOST_TEST_EQ(old_move_assignment, raii::move_assignment);
}
BOOST_TEST_EQ(raii::default_constructor, 0u);
BOOST_TEST_EQ(raii::copy_constructor, 0u);
BOOST_TEST_EQ(raii::move_constructor, 0u);
BOOST_TEST_EQ(raii::destructor, 0u);
}
boost::unordered::concurrent_flat_map<raii, raii>* map; boost::unordered::concurrent_flat_map<raii, raii>* map;
boost::unordered::concurrent_flat_map<raii, raii, transp_hash, boost::unordered::concurrent_flat_map<raii, raii, transp_hash,
transp_key_equal>* transp_map; transp_key_equal>* transp_map;
@ -402,6 +447,13 @@ UNORDERED_TEST(
((transp_visitor)) ((transp_visitor))
((default_generator)(sequential)(limited_range))) ((default_generator)(sequential)(limited_range)))
UNORDERED_TEST(
empty_visit,
((map)(transp_map))
((value_type_generator)(init_type_generator))
((default_generator)(sequential)(limited_range))
)
// clang-format on // clang-format on
RUN_TESTS() RUN_TESTS()