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// Copyright 2025 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#define BOOST_ALLOW_DEPRECATED_SYMBOLS
#include <boost/array.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#include <cstddef>
// c_array and get_c_array are deprecated nonstandard extensions
template<class T, std::size_t N> void test()
{
boost::array<T, N> a = {};
T* p1 = a.c_array();
T* p2 = a.data();
BOOST_TEST_EQ( p1, p2 );
}
template<class T, std::size_t N> void test2()
{
{
boost::array<T, N> a = {{}};
T (&e1)[ N ] = boost::get_c_array( a );
T (&e2)[ N ] = a.elems;
BOOST_TEST_EQ( static_cast<T*>( e1 ), static_cast<T*>( e2 ) );
}
{
boost::array<T, N> const a = {{}};
T const (&e1)[ N ] = boost::get_c_array( a );
T const (&e2)[ N ] = a.elems;
BOOST_TEST_EQ( static_cast<T const*>( e1 ), static_cast<T const*>( e2 ) );
}
}
int main()
{
test<int, 0>();
test<int, 1>();
test<int, 7>();
test<int const, 0>();
#if BOOST_WORKAROUND(BOOST_MSVC, < 1910) || BOOST_WORKAROUND(BOOST_GCC, < 50000)
// = {} doesn't work for const T
#else
test<int const, 1>();
test<int const, 7>();
#endif
test2<int, 1>();
test2<int, 7>();
test2<int const, 1>();
test2<int const, 7>();
return boost::report_errors();
}
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