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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> void test1()
{
constexpr boost::array<T, N> a1 = {};
constexpr boost::array<T, N> a2 = {};
STATIC_ASSERT( !( a1 < a2 ) );
STATIC_ASSERT( !( a1 > a2 ) );
STATIC_ASSERT( a1 <= a2 );
STATIC_ASSERT( a1 >= a2 );
}
template<class T> void test2()
{
{
constexpr boost::array<T, 4> a1 = {{ 1, 2, 3, 4 }};
constexpr boost::array<T, 4> a2 = {{ 1, 2, 3, 4 }};
STATIC_ASSERT( !( a1 < a2 ) );
STATIC_ASSERT( !( a1 > a2 ) );
STATIC_ASSERT( a1 <= a2 );
STATIC_ASSERT( a1 >= a2 );
}
{
constexpr boost::array<T, 4> a1 = {{ 1, 2, 3, 4 }};
constexpr boost::array<T, 4> a2 = {{ 1, 2, 3, 5 }};
STATIC_ASSERT( a1 < a2 );
STATIC_ASSERT( !( a1 > a2 ) );
STATIC_ASSERT( a1 <= a2 );
STATIC_ASSERT( !( a1 >= a2 ) );
}
{
constexpr boost::array<T, 4> a1 = {{ 1, 2, 3, 4 }};
constexpr boost::array<T, 4> a2 = {{ 1, 2, 3, 2 }};
STATIC_ASSERT( !( a1 < a2 ) );
STATIC_ASSERT( a1 > a2 );
STATIC_ASSERT( !( a1 <= a2 ) );
STATIC_ASSERT( a1 >= a2 );
}
}
int main()
{
test1<int, 0>();
test1<int, 1>();
test1<int, 7>();
test2<int>();
}
#endif
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