44 lines
883 B
C++
44 lines
883 B
C++
/*
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Copyright 2015 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/align/is_aligned.hpp>
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#include <boost/core/lightweight_test.hpp>
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template<std::size_t Alignment>
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void test()
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{
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char s[Alignment << 1];
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char* b = s;
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while (!boost::alignment::is_aligned(b, Alignment)) {
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++b;
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}
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{
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void* p = &b[Alignment];
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BOOST_TEST(boost::alignment::align_down(p, Alignment) == p);
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}
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{
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void* p = &b[Alignment - 1];
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void* q = b;
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BOOST_TEST(boost::alignment::align_down(p, Alignment) == q);
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}
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}
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int main()
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{
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test<1>();
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test<2>();
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test<4>();
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test<8>();
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test<16>();
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test<32>();
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test<64>();
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test<128>();
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return boost::report_errors();
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}
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