forked from boostorg/unordered
1e553df5b6
* Add explicit tests around use of `scoped_allocator_adaptor` to emulate issue https://github.com/boostorg/unordered/issues/22 * Refine test to only run in C++11 mode and later with possibility of re-introducing C++03 support later * Update test to use `<boost/cstdint.hpp>` * Refactor test to use `UNORDERED_AUTO_TEST` * Cleanup how the scoped allocator test is conditionally compiled * Update test to generate a UUID for the name of the shared memory segment so tests can run safely in parallel * Update test jamfile to relocate the Filesystem link dependency directly to the test that requires it
91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
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// Copyright 2021 Christian Mazakas.
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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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// clang-format off
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#include "../helpers/prefix.hpp"
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#include <boost/unordered_set.hpp>
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#include <boost/unordered_map.hpp>
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#include "../helpers/postfix.hpp"
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// clang-format on
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#include "../helpers/test.hpp"
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/container/scoped_allocator.hpp>
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#include <boost/container/uses_allocator.hpp>
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#include <boost/core/ignore_unused.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/interprocess/allocators/node_allocator.hpp>
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#include <boost/interprocess/managed_shared_memory.hpp>
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#include <string>
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#include <utility>
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#include <vector>
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// This test is based on a user-submitted issue found here:
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// https://github.com/boostorg/unordered/issues/22
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//
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#if BOOST_CXX_VERSION <= 199711L
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BOOST_PRAGMA_MESSAGE(
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"scoped allocator adaptor tests only work under C++11 and above")
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int main() {}
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#else
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namespace bi = boost::interprocess;
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template <typename T> struct node_alloc
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{
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typedef bi::node_allocator<T, bi::managed_shared_memory::segment_manager>
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type;
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};
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typedef std::vector<boost::uint64_t, node_alloc<boost::uint64_t>::type>
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vector_type;
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typedef std::pair<boost::uint64_t, vector_type> pair_type;
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typedef boost::container::scoped_allocator_adaptor<node_alloc<pair_type>::type,
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node_alloc<boost::uint64_t>::type>
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allocator_type;
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typedef boost::unordered_map<const boost::uint64_t, vector_type,
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boost::hash<boost::uint64_t>, std::equal_to<boost::uint64_t>, allocator_type>
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map_type;
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std::string make_uuid() { return boost::filesystem::unique_path().string(); }
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UNORDERED_AUTO_TEST (scoped_allocator) {
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std::string uuid = make_uuid();
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bi::managed_shared_memory s(bi::create_only, uuid.c_str(), 65536);
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allocator_type alloc(node_alloc<pair_type>::type(s.get_segment_manager()),
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node_alloc<boost::uint64_t>::type(s.get_segment_manager()));
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map_type map(alloc);
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for (unsigned i = 0; i < 10; ++i) {
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boost::ignore_unused(map[i]);
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}
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BOOST_TEST(map.size() == 10);
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bi::shared_memory_object::remove(uuid.c_str());
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}
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RUN_TESTS()
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#endif
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