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

   1 /*
   2 Copyright 2014-2015 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/alignment_of.hpp>
   9 #include <boost/align/is_aligned.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11 #include <boost/config.hpp>
  12
  13 template<std::size_t N>
  14 struct A { };
  15
  16 template<std::size_t N>
  17 void test(char* p, A<N>)
  18 {
  19     BOOST_TEST(boost::alignment::is_aligned(p, N));
  20     BOOST_TEST(!boost::alignment::is_aligned(p + 1, N));
  21 }
  22
  23 void test(char* p, A<1>)
  24 {
  25     BOOST_TEST(boost::alignment::is_aligned(p, 1));
  26 }
  27
  28 template<class T>
  29 void test()
  30 {
  31     T o;
  32     test(reinterpret_cast<char*>(&o),
  33         A<boost::alignment::alignment_of<T>::value>());
  34 }
  35
  36 class X;
  37
  38 int main()
  39 {
  40     test<bool>();
  41     test<char>();
  42     test<wchar_t>();
  43 #if !defined(BOOST_NO_CXX11_CHAR16_T)
  44     test<char16_t>();
  45 #endif
  46 #if !defined(BOOST_NO_CXX11_CHAR32_T)
  47     test<char32_t>();
  48 #endif
  49     test<short>();
  50     test<int>();
  51     test<long>();
  52 #if !defined(BOOST_NO_LONG_LONG) && !defined(_MSC_VER)
  53     test<long long>();
  54 #endif
  55     test<float>();
  56 #if !defined(BOOST_MSVC)
  57     test<double>();
  58     test<long double>();
  59 #endif
  60     test<void*>();
  61     test<char*>();
  62     test<int*>();
  63     test<X*>();
  64     test<void(*)()>();
  65 #if !defined(BOOST_MSVC)
  66     test<int X::*>();
  67     test<int(X::*)()>();
  68 #endif
  69
  70     return boost::report_errors();
  71 }