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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/core/lightweight_test.hpp>
#include <cstddef>
#if defined(_MSC_VER)
# pragma warning(disable: 4702) // unreachable code
#endif
template<class T, std::size_t N> void test()
{
{
boost::array<T, N> const a1 = {};
boost::array<T, N> const a2 = {};
BOOST_TEST( a1 == a2 );
BOOST_TEST_NOT( a1 != a2 );
}
for( std::size_t i = 0; i < N; ++i )
{
boost::array<T, N> const a1 = {};
boost::array<T, N> a2 = a1;
a2[ i ] = 1;
BOOST_TEST( a1 != a2 );
BOOST_TEST_NOT( a1 == a2 );
boost::array<T, N> const a3 = a2;
BOOST_TEST( a1 != a3 );
BOOST_TEST_NOT( a1 == a3 );
}
{
boost::array<T, N> a1 = {};
boost::array<T, N> a2 = {};
a1.fill( 1 );
a2.fill( 1 );
BOOST_TEST( a1 == a2 );
BOOST_TEST_NOT( a1 != a2 );
}
}
template<class T> void test2()
{
{
boost::array<T, 4> const a1 = {{ 1, 2, 3, 4 }};
boost::array<T, 4> const a2 = {{ 1, 2, 3, 4 }};
BOOST_TEST( a1 == a2 );
BOOST_TEST_NOT( a1 != a2 );
}
for( std::size_t i = 0; i < 4; ++i )
{
boost::array<T, 4> const a1 = {{ 1, 2, 3, 4 }};
boost::array<T, 4> a2 = a1;
a2[ i ] = 0;
BOOST_TEST( a1 != a2 );
BOOST_TEST_NOT( a1 == a2 );
boost::array<T, 4> const a3 = a2;
BOOST_TEST( a1 != a3 );
BOOST_TEST_NOT( a1 == a3 );
}
}
int main()
{
test<int, 0>();
test<int, 1>();
test<int, 7>();
test2<int>();
return boost::report_errors();
}
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