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/*
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/align/align_down.hpp>
#include <boost/core/lightweight_test.hpp>
template<std::size_t N>
struct A { };
template<class T, std::size_t N>
void test(A<N>)
{
T v1 = N;
BOOST_TEST(boost::alignment::align_down(v1, N) == v1);
T v2 = N + 1;
BOOST_TEST(boost::alignment::align_down(v2, N) == v1);
}
template<class T>
void test(A<1>)
{
T v = 1;
BOOST_TEST(boost::alignment::align_down(v, 1) == v);
}
template<class T>
void test()
{
test<T>(A<1>());
test<T>(A<2>());
test<T>(A<4>());
test<T>(A<8>());
test<T>(A<16>());
test<T>(A<32>());
test<T>(A<64>());
test<T>(A<128>());
}
int main()
{
test<int>();
test<unsigned>();
test<long>();
test<unsigned long>();
test<short>();
test<unsigned short>();
#if !defined(BOOST_NO_LONG_LONG)
test<long long>();
test<unsigned long long>();
#endif
test<std::size_t>();
test<std::ptrdiff_t>();
return boost::report_errors();
}
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