ceph/src/boost/libs/align/test/align_up_test.cpp

   1 /*
   2 Copyright 2015 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License, Version 1.0.
   6 (http://www.boost.org/LICENSE_1_0.txt)
   7 */
   8 #include <boost/align/align_up.hpp>
   9 #include <boost/align/is_aligned.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11
  12 template<std::size_t Alignment>
  13 void test()
  14 {
  15     char s[Alignment << 1];
  16     char* b = s;
  17     while (!boost::alignment::is_aligned(b, Alignment)) {
  18         ++b;
  19     }
  20     {
  21         void* p = b;
  22         BOOST_TEST(boost::alignment::align_up(p, Alignment) == p);
  23     }
  24     {
  25         void* p = &b[Alignment];
  26         void* q = &b[1];
  27         BOOST_TEST(boost::alignment::align_up(q, Alignment) == p);
  28     }
  29 }
  30
  31 int main()
  32 {
  33     test<1>();
  34     test<2>();
  35     test<4>();
  36     test<8>();
  37     test<16>();
  38     test<32>();
  39     test<64>();
  40     test<128>();
  41
  42     return boost::report_errors();
  43 }