f1087e81ec
git-subtree-dir: third_party/unordered_dense git-subtree-split: 231e48c9426bd21c273669e5fdcd042c146975cf
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
#if ANKERL_UNORDERED_DENSE_HAS_BOOST
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# if __clang__
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wold-style-cast"
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# endif
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# include <ankerl/unordered_dense.h>
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# include <app/doctest.h>
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# include <boost/container/vector.hpp>
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# include <boost/interprocess/allocators/allocator.hpp>
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# include <boost/interprocess/allocators/node_allocator.hpp>
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# include <boost/interprocess/containers/vector.hpp>
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# include <boost/interprocess/managed_shared_memory.hpp>
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# include <deque>
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// Alias an STL-like allocator of ints that allocates ints from the segment
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using shmem_allocator =
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boost::interprocess::allocator<std::pair<int, std::string>, boost::interprocess::managed_shared_memory::segment_manager>;
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using shmem_vector = boost::interprocess::vector<std::pair<int, std::string>, shmem_allocator>;
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// Remove shared memory on construction and destruction
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struct shm_remove {
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shm_remove() {
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boost::interprocess::shared_memory_object::remove("MySharedMemory");
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}
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~shm_remove() {
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boost::interprocess::shared_memory_object::remove("MySharedMemory");
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}
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shm_remove(shm_remove const&) = delete;
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shm_remove(shm_remove&&) = delete;
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auto operator=(shm_remove const&) -> shm_remove = delete;
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auto operator=(shm_remove&&) -> shm_remove = delete;
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};
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TYPE_TO_STRING_MAP(int, std::string, ankerl::unordered_dense::hash<int>, std::equal_to<int>, shmem_vector);
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// See https://www.boost.org/doc/libs/1_80_0/doc/html/interprocess/allocators_containers.html
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TEST_CASE_TEMPLATE(
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"boost_container_vector",
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map_t,
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ankerl::unordered_dense::map<int, std::string, ankerl::unordered_dense::hash<int>, std::equal_to<int>, shmem_vector>,
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ankerl::unordered_dense::
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segmented_map<int, std::string, ankerl::unordered_dense::hash<int>, std::equal_to<int>, shmem_allocator>) {
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auto remover = shm_remove();
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// Create shared memory
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auto segment = boost::interprocess::managed_shared_memory(boost::interprocess::create_only, "MySharedMemory", 1024 * 1024);
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auto map = map_t{shmem_allocator{segment.get_segment_manager()}};
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int total = 10000;
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for (int i = 0; i < total; ++i) {
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map.try_emplace(i, std::to_string(i));
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}
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REQUIRE(map.size() == static_cast<size_t>(total));
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for (int i = 0; i < total; ++i) {
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auto it = map.find(i);
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REQUIRE(it != map.end());
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REQUIRE(it->first == i);
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REQUIRE(it->second == std::to_string(i));
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}
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map.erase(total + 123);
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REQUIRE(map.size() == static_cast<size_t>(total));
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map.erase(29);
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REQUIRE(map.size() == static_cast<size_t>(total - 1));
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map.emplace(std::pair<int, std::string>(9999999, "hello"));
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REQUIRE(map.size() == static_cast<size_t>(total));
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}
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#endif // ANKERL_UNORDERED_DENSE_HAS_BOOST
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