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

   1 /*
   2 (c) 2014-2015 Glen Joseph Fernandes
   3 <glenjofe -at- gmail.com>
   4
   5 Distributed under the Boost Software
   6 License, Version 1.0.
   7 http://boost.org/LICENSE_1_0.txt
   8 */
   9 #include <boost/align/alignment_of.hpp>
  10 #include <boost/align/is_aligned.hpp>
  11 #include <boost/core/lightweight_test.hpp>
  12 #include <boost/config.hpp>
  13
  14 template<std::size_t N>
  15 struct A { };
  16
  17 template<class T, std::size_t N>
  18 void test(T* p, A<N>)
  19 {
  20     BOOST_TEST(boost::alignment::is_aligned(p, N));
  21     BOOST_TEST(!boost::alignment::is_aligned((char*)p + 1, N));
  22 }
  23
  24 template<class T>
  25 void test(T* p, A<1>)
  26 {
  27     BOOST_TEST(boost::alignment::is_aligned(p, 1));
  28 }
  29
  30 template<class T>
  31 void test()
  32 {
  33     T o;
  34     test(&o, A<boost::alignment::alignment_of<T>::value>());
  35 }
  36
  37 class X;
  38
  39 int main()
  40 {
  41     test<bool>();
  42     test<char>();
  43     test<wchar_t>();
  44 #if !defined(BOOST_NO_CXX11_CHAR16_T)
  45     test<char16_t>();
  46 #endif
  47 #if !defined(BOOST_NO_CXX11_CHAR32_T)
  48     test<char32_t>();
  49 #endif
  50     test<short>();
  51     test<int>();
  52     test<long>();
  53 #if !defined(BOOST_NO_LONG_LONG) && !defined(_MSC_VER)
  54     test<long long>();
  55 #endif
  56     test<float>();
  57 #if !defined(_MSC_VER)
  58     test<double>();
  59     test<long double>();
  60 #endif
  61     test<void*>();
  62     test<char*>();
  63     test<int*>();
  64     test<X*>();
  65     test<void(*)()>();
  66 #if !defined(_MSC_VER)
  67     test<int X::*>();
  68     test<int(X::*)()>();
  69 #endif
  70
  71     return boost::report_errors();
  72 }