boostorg/array
1
0
Fork 1
mirror of https://github.com/boostorg/array.git synced 2025-07-29 12:17:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add array_size_test_cx.cpp

Browse Source
This commit is contained in:
Peter Dimov
2025-01-25 19:23:50 +02:00
parent e7663434ee
commit 54d839c8bc
2 changed files with 65 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
test/array_size_test_cx.cpp Normal file
View File

@ -0,0 +1,64 @@
// 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_CXX11_CONSTEXPR)
BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_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> a = {};
STATIC_ASSERT( a.size() == N );
STATIC_ASSERT( a.empty() == (N == 0) );
STATIC_ASSERT( a.max_size() == N );
}
template<class T, std::size_t N> void test2()
{
typedef boost::array<T, N> A;
STATIC_ASSERT( A().size() == N );
STATIC_ASSERT( A().empty() == (N == 0) );
STATIC_ASSERT( A().max_size() == N );
}
// the functions are static, which deviates from the standard
template<class T, std::size_t N> void test3()
{
typedef boost::array<T, N> A;
STATIC_ASSERT( A::size() == N );
STATIC_ASSERT( A::empty() == (N == 0) );
STATIC_ASSERT( A::max_size() == N );
STATIC_ASSERT( A::static_size == N );
}
int main()
{
test1<int, 0>();
test1<int, 1>();
test1<int, 7>();
test2<int, 0>();
test2<int, 1>();
test2<int, 7>();
test3<int, 0>();
test3<int, 1>();
test3<int, 7>();
}
#endif