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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
#include <boost/array.hpp>
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#include <boost/config/workaround.hpp>
#include <cstddef>
#if defined(BOOST_NO_CXX14_CONSTEXPR)
BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX14_CONSTEXPR is defined")
#else
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
template<class T, std::size_t N> constexpr boost::array<T, N> filled( T const& v )
{
boost::array<T, N> r = {};
r.fill( v );
return r;
}
template<class T> void test1()
{
constexpr boost::array<T, 4> a1 = filled<T, 4>( 7 );
STATIC_ASSERT( a1[0] == 7 );
STATIC_ASSERT( a1[1] == 7 );
STATIC_ASSERT( a1[2] == 7 );
STATIC_ASSERT( a1[3] == 7 );
}
template<class T> void test2()
{
constexpr boost::array<T, 0> a1 = filled<T, 0>( 7 );
(void)a1;
}
int main()
{
test1<int>();
test2<int>();
}
#endif
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