mirror of
https://github.com/boostorg/array.git
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118 lines
2.6 KiB
C++
118 lines
2.6 KiB
C++
// Copyright 2025 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#define BOOST_ENABLE_ASSERT_HANDLER
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#include <boost/array.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <cstddef>
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struct assertion_failure
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{
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};
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namespace boost
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{
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void assertion_failed( char const* /*expr*/, char const* /*function*/, char const* /*file*/, long /*line*/ )
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{
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throw assertion_failure();
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}
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void assertion_failed_msg( char const* /*expr*/, char const* /*msg*/, char const* /*function*/, char const* /*file*/, long /*line*/ )
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{
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throw assertion_failure();
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}
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} // namespace boost
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template<class T, std::size_t N> void test()
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{
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{
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boost::array<T, N> a = {{}};
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T* p1 = a.data();
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for( std::size_t i = 0; i < N; ++i )
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{
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T* p2 = &a[ i ];
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T* p3 = &a.at( i );
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BOOST_TEST_EQ( p2, p1 + i );
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BOOST_TEST_EQ( p3, p1 + i );
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}
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{
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T* p2 = &a.front();
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T* p3 = &a.back();
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BOOST_TEST_EQ( p2, p1 + 0 );
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BOOST_TEST_EQ( p3, p1 + N - 1 );
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}
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BOOST_TEST_THROWS( a.at( N ), std::out_of_range );
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BOOST_TEST_THROWS( a[ N ], assertion_failure );
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}
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{
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boost::array<T, N> const a = {{}};
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T const* p1 = a.data();
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for( std::size_t i = 0; i < N; ++i )
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{
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T const* p2 = &a[ i ];
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T const* p3 = &a.at( i );
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BOOST_TEST_EQ( p2, p1 + i );
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BOOST_TEST_EQ( p3, p1 + i );
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}
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{
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T const* p2 = &a.front();
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T const* p3 = &a.back();
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BOOST_TEST_EQ( p2, p1 + 0 );
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BOOST_TEST_EQ( p3, p1 + N - 1 );
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}
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BOOST_TEST_THROWS( a.at( N ), std::out_of_range );
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BOOST_TEST_THROWS( a[ N ], assertion_failure );
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}
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}
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template<class T> void test2()
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{
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{
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boost::array<T, 0> a = {};
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BOOST_TEST_THROWS( a.at( 0 ), std::out_of_range );
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BOOST_TEST_THROWS( a[ 0 ], std::out_of_range );
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BOOST_TEST_THROWS( a.front(), std::out_of_range );
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BOOST_TEST_THROWS( a.back(), std::out_of_range );
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}
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{
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boost::array<T, 0> const a = {};
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BOOST_TEST_THROWS( a.at( 0 ), std::out_of_range );
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BOOST_TEST_THROWS( a[ 0 ], std::out_of_range );
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BOOST_TEST_THROWS( a.front(), std::out_of_range );
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BOOST_TEST_THROWS( a.back(), std::out_of_range );
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}
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}
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int main()
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{
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test<int, 1>();
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test<int, 7>();
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test<int const, 1>();
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test<int const, 7>();
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test2<int>();
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return boost::report_errors();
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}
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