src/third_party/libc++/trunk/test/utilities/meta/meta.unary.prop.query/alignment_of.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // type_traits
  11
  12 // alignment_of
  13
  14 #include <type_traits>
  15 #include <cstdint>
  16
  17 template <class T, unsigned A>
  18 void test_alignment_of()
  19 {
  20     static_assert( std::alignment_of<T>::value == A, "");
  21     static_assert( std::alignment_of<const T>::value == A, "");
  22     static_assert( std::alignment_of<volatile T>::value == A, "");
  23     static_assert( std::alignment_of<const volatile T>::value == A, "");
  24 }
  25
  26 class Class
  27 {
  28 public:
  29     ~Class();
  30 };
  31
  32 int main()
  33 {
  34     test_alignment_of<int&, 4>();
  35     test_alignment_of<Class, 1>();
  36     test_alignment_of<int*, sizeof(intptr_t)>();
  37     test_alignment_of<const int*, sizeof(intptr_t)>();
  38     test_alignment_of<char[3], 1>();
  39     test_alignment_of<int, 4>();
  40     test_alignment_of<double, 8>();
  41     test_alignment_of<bool, 1>();
  42     test_alignment_of<unsigned, 4>();
  43 }