AimRT/_deps/boost-src/libs/asio/test/recycling_allocator.cpp
2025-01-12 20:37:50 +08:00

83 lines
2.1 KiB
C++

//
// recycling_allocator.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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)
//
// Disable autolinking for unit tests.
#if !defined(BOOST_ALL_NO_LIB)
#define BOOST_ALL_NO_LIB 1
#endif // !defined(BOOST_ALL_NO_LIB)
// Test that header file is self-contained.
#include <boost/asio/recycling_allocator.hpp>
#include "unit_test.hpp"
#include <vector>
#include <boost/asio/detail/type_traits.hpp>
void recycling_allocator_test()
{
BOOST_ASIO_CHECK((
boost::asio::is_same<
boost::asio::recycling_allocator<int>::value_type,
int
>::value));
BOOST_ASIO_CHECK((
boost::asio::is_same<
boost::asio::recycling_allocator<void>::value_type,
void
>::value));
BOOST_ASIO_CHECK((
boost::asio::is_same<
boost::asio::recycling_allocator<int>::rebind<char>::other,
boost::asio::recycling_allocator<char>
>::value));
BOOST_ASIO_CHECK((
boost::asio::is_same<
boost::asio::recycling_allocator<void>::rebind<char>::other,
boost::asio::recycling_allocator<char>
>::value));
boost::asio::recycling_allocator<int> a1;
boost::asio::recycling_allocator<int> a2(a1);
BOOST_ASIO_CHECK(a1 == a2);
BOOST_ASIO_CHECK(!(a1 != a2));
boost::asio::recycling_allocator<void> a3;
boost::asio::recycling_allocator<void> a4(a3);
BOOST_ASIO_CHECK(a3 == a4);
BOOST_ASIO_CHECK(!(a3 != a4));
boost::asio::recycling_allocator<int> a5(a4);
(void)a5;
boost::asio::recycling_allocator<void> a6(a5);
(void)a6;
int* p = a1.allocate(42);
BOOST_ASIO_CHECK(p != 0);
a1.deallocate(p, 42);
#if defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
std::vector<int, boost::asio::recycling_allocator<int> > v(42);
BOOST_ASIO_CHECK(v.size() == 42);
#endif // defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
}
BOOST_ASIO_TEST_SUITE
(
"recycling_allocator",
BOOST_ASIO_TEST_CASE(recycling_allocator_test)
)