ceph/src/boost/libs/gil/test/extension/toolbox/get_num_bits.cpp

   1 //
   2 // Copyright 2013 Christian Henning
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 #include <boost/gil.hpp>
   9 #include <boost/gil/extension/toolbox/metafunctions/channel_type.hpp>
  10 #include <boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp>
  11
  12 #include <boost/test/unit_test.hpp>
  13
  14 using namespace boost;
  15 using namespace gil;
  16
  17 BOOST_AUTO_TEST_SUITE( toolbox_tests )
  18
  19 BOOST_AUTO_TEST_CASE( get_num_bits_test )
  20 {
  21     using image_t = bit_aligned_image4_type<4, 4, 4, 4, rgb_layout_t>::type;
  22
  23     using channel_t = channel_type<image_t::view_t::reference>::type;
  24     static_assert(get_num_bits<channel_t>::value == 4, "");
  25
  26     using const_channel_t = channel_type<image_t::const_view_t::reference>::type;
  27     static_assert(get_num_bits<const_channel_t>::value == 4, "");
  28
  29     using bits_t = packed_channel_value<23>;
  30     static_assert(get_num_bits<bits_t>::value == 23, "");
  31     static_assert(get_num_bits<bits_t const>::value == 23, "");
  32
  33     static_assert(get_num_bits<unsigned char >::value == 8, "");
  34     static_assert(get_num_bits<unsigned char const>::value == 8, "");
  35
  36     static_assert(get_num_bits<channel_type<gray8_image_t::view_t::value_type>::type>::value == 8, "");
  37     static_assert(get_num_bits<channel_type<rgba32_image_t::view_t::value_type>::type>::value == 32, "");
  38 }
  39
  40 BOOST_AUTO_TEST_SUITE_END()
  41