forked from boostorg/unordered
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
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// Copyright 2021-2023 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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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <boost/config/workaround.hpp>
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#if BOOST_CXX_VERSION <= 199711L || \
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BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40800) || \
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BOOST_WORKAROUND(BOOST_MSVC, == 1900)
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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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// 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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#include "../helpers/unordered.hpp"
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#include "../helpers/test.hpp"
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#include <boost/cstdint.hpp>
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#include <boost/core/ignore_unused.hpp>
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#include <scoped_allocator>
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#include <string>
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#include <utility>
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#include <vector>
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namespace test {
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template <class T> struct allocator
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{
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typedef T value_type;
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allocator() = delete;
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allocator(int) {}
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allocator(allocator const&) = default;
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allocator(allocator&&) = default;
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template <class U> allocator(allocator<U> const&) {}
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BOOST_ATTRIBUTE_NODISCARD T* allocate(std::size_t n)
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{
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return static_cast<T*>(::operator new(n * sizeof(T)));
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}
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void deallocate(T* p, std::size_t) noexcept { ::operator delete(p); }
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bool operator==(allocator const&) const { return true; }
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bool operator!=(allocator const&) const { return false; }
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};
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} // namespace test
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typedef std::vector<boost::uint64_t, test::allocator<boost::uint64_t> >
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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 std::scoped_allocator_adaptor<test::allocator<pair_type>,
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test::allocator<boost::uint64_t> >
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allocator_type;
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template <class X> static void scoped_allocator(X*)
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{
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allocator_type alloc(
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test::allocator<pair_type>(1337), test::allocator<boost::uint64_t>(7331));
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X 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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}
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#ifdef BOOST_UNORDERED_FOA_TESTS
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static boost::unordered_flat_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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test_map;
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static boost::unordered_node_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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test_node_map;
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UNORDERED_TEST(scoped_allocator, ((test_map)(test_node_map)))
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#else
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static 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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test_map;
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UNORDERED_TEST(scoped_allocator, ((test_map)))
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#endif
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RUN_TESTS()
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#endif
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