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