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99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
// Copyright (c) 2018-2021 Emil Dotchevski and Reverge Studios, Inc.
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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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#define BOOST_LEAF_NO_EXCEPTIONS
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#define BOOST_LEAF_USE_STD_SYSTEM_ERROR 0
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#define BOOST_LEAF_USE_STD_STRING 0
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#define BOOST_LEAF_DIAGNOSTICS 0
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#define BOOST_LEAF_TLS_ARRAY
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#define BOOST_LEAF_TLS_ARRAY_SIZE 64
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#define BOOST_LEAF_TLS_ARRAY_START_INDEX 10
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#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
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# include "leaf.hpp"
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#else
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# include <boost/leaf/handle_errors.hpp>
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# include <boost/leaf/result.hpp>
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#endif
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#include <limits>
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#include <vector>
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#include <algorithm>
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#include "lightweight_test.hpp"
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namespace leaf = boost::leaf;
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static void * tls_storage[BOOST_LEAF_TLS_ARRAY_SIZE];
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static int min_tls_index = std::numeric_limits<int>::max();
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static int max_tls_index = std::numeric_limits<int>::min();
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namespace boost { namespace leaf {
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namespace tls
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{
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void * read_void_ptr( int tls_index ) noexcept
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{
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BOOST_TEST(tls_index>=BOOST_LEAF_TLS_ARRAY_START_INDEX);
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BOOST_TEST(tls_index<BOOST_LEAF_TLS_ARRAY_SIZE);
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min_tls_index = std::min(min_tls_index, tls_index);
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max_tls_index = std::max(max_tls_index, tls_index);
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return tls_storage[tls_index];
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}
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void write_void_ptr( int tls_index, void * p ) noexcept
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{
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BOOST_TEST(tls_index>=BOOST_LEAF_TLS_ARRAY_START_INDEX);
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BOOST_TEST(tls_index<BOOST_LEAF_TLS_ARRAY_SIZE);
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min_tls_index = std::min(min_tls_index, tls_index);
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max_tls_index = std::max(max_tls_index, tls_index);
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tls_storage[tls_index] = p;
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}
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}
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} }
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template <int>
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struct my_error_info
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{
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};
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// Mirroring boost::leaf::leaf_detail::optional<T>, to verify correctness of TLS pointers
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template <class T>
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struct optional
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{
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int key_;
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union { T value_; };
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};
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int const offset = offsetof(optional<my_error_info<1>>, value_);
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int main()
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{
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std::vector<void const *> used_ptrs;
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int r = leaf::try_handle_all(
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[&]() -> leaf::result<int>
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{
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BOOST_TEST(min_tls_index>=BOOST_LEAF_TLS_ARRAY_START_INDEX);
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BOOST_TEST(max_tls_index>min_tls_index);
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BOOST_TEST(max_tls_index<BOOST_LEAF_TLS_ARRAY_SIZE);
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for( int i=min_tls_index; i<=max_tls_index; ++i )
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used_ptrs.push_back((char const *)tls_storage[i] + offset);
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return leaf::new_error( my_error_info<1>{}, my_error_info<2>{} );
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},
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[&]( my_error_info<1> const & a, my_error_info<2> const & b )
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{
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BOOST_TEST(std::find(used_ptrs.begin(), used_ptrs.end(), &a) != used_ptrs.end());
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BOOST_TEST(std::find(used_ptrs.begin(), used_ptrs.end(), &b) != used_ptrs.end());
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return 1;
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},
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[]
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{
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return 2;
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} );
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BOOST_TEST(r==1);
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return boost::report_errors();
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}
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