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Add array_eq_test_cx.cpp

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This commit is contained in:
Peter Dimov
2025-01-25 20:24:15 +02:00
parent c06cadc04f
commit a211468866
3 changed files with 77 additions and 7 deletions
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23
include/boost/array.hpp
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@ -321,25 +321,36 @@ namespace boost {
// comparisons // comparisons
template<class T, std::size_t N> template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator== (const array<T,N>& x, const array<T,N>& y) { BOOST_CXX14_CONSTEXPR bool operator== (const array<T,N>& x, const array<T,N>& y)
return std::equal(x.begin(), x.end(), y.begin()); {
} for( std::size_t i = 0; i < N; ++i )
template<class T, std::size_t N> {
BOOST_CXX14_CONSTEXPR bool operator< (const array<T,N>& x, const array<T,N>& y) { if( !( x[ i ] == y[ i ] ) ) return false;
return std::lexicographical_compare(x.begin(),x.end(),y.begin(),y.end()); }
return true;
} }
template<class T, std::size_t N> template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator!= (const array<T,N>& x, const array<T,N>& y) { BOOST_CXX14_CONSTEXPR bool operator!= (const array<T,N>& x, const array<T,N>& y) {
return !(x==y); return !(x==y);
} }
template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator< (const array<T,N>& x, const array<T,N>& y) {
return std::lexicographical_compare(x.begin(),x.end(),y.begin(),y.end());
}
template<class T, std::size_t N> template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator> (const array<T,N>& x, const array<T,N>& y) { BOOST_CXX14_CONSTEXPR bool operator> (const array<T,N>& x, const array<T,N>& y) {
return y<x; return y<x;
} }
template<class T, std::size_t N> template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator<= (const array<T,N>& x, const array<T,N>& y) { BOOST_CXX14_CONSTEXPR bool operator<= (const array<T,N>& x, const array<T,N>& y) {
return !(y<x); return !(y<x);
} }
template<class T, std::size_t N> template<class T, std::size_t N>
BOOST_CXX14_CONSTEXPR bool operator>= (const array<T,N>& x, const array<T,N>& y) { BOOST_CXX14_CONSTEXPR bool operator>= (const array<T,N>& x, const array<T,N>& y) {
return !(x<y); return !(x<y);

6
test/Jamfile.v2
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@ -47,7 +47,7 @@ run array_eq_test.cpp ;
run array_lt_test.cpp ; run array_lt_test.cpp ;
run array_get_test.cpp ; run array_get_test.cpp ;
# # C++11 constexpr
compile array_init_test_cx.cpp ; compile array_init_test_cx.cpp ;
compile array_copy_test_cx.cpp ; compile array_copy_test_cx.cpp ;
@ -56,6 +56,10 @@ compile array_iterator_test_cx.cpp ;
compile array_size_test_cx.cpp ; compile array_size_test_cx.cpp ;
compile array_access_test_cx.cpp ; compile array_access_test_cx.cpp ;
# C++14 constexpr
compile array_eq_test_cx.cpp ;
# #
run quick.cpp ; run quick.cpp ;

55
test/array_eq_test_cx.cpp Normal file
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@ -0,0 +1,55 @@
// 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 ) );
}
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 ) );
}
{
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 );
}
}
int main()
{
test1<int, 0>();
test1<int, 1>();
test1<int, 7>();
test2<int>();
}
#endif