libs/gil/test/core/channel/algorithm_channel_invert.cpp

   1 //
   2 // Copyright 2005-2007 Adobe Systems Incorporated
   3 // Copyright 2018 Mateusz Loskot <mateusz at loskot dot net>
   4 //
   5 // Distributed under the Boost Software License, Version 1.0
   6 // See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt
   8 //
   9 #include <boost/gil/channel_algorithm.hpp>
  10
  11 #define BOOST_TEST_MODULE test_algorithm_channel_invert
  12 #include "unit_test.hpp"
  13 #include "test_fixture.hpp"
  14
  15 namespace gil = boost::gil;
  16 namespace fixture = boost::gil::test::fixture;
  17
  18 template <typename ChannelFixtureBase>
  19 void test_channel_invert()
  20 {
  21     fixture::channel<ChannelFixtureBase> f;
  22     BOOST_TEST(gil::channel_invert(f.min_v_) == f.max_v_);
  23     BOOST_TEST(gil::channel_invert(f.max_v_) == f.min_v_);
  24 }
  25
  26 BOOST_AUTO_TEST_CASE_TEMPLATE(channel_value, Channel, fixture::channel_byte_types)
  27 {
  28     using fixture_t = fixture::channel_value<Channel>;
  29     test_channel_invert<fixture_t>();
  30 }
  31
  32 BOOST_AUTO_TEST_CASE_TEMPLATE(channel_reference, Channel, fixture::channel_byte_types)
  33 {
  34     using fixture_t = fixture::channel_reference<Channel&>;
  35     test_channel_invert<fixture_t>();
  36 }
  37
  38 BOOST_AUTO_TEST_CASE_TEMPLATE(
  39     channel_reference_const, Channel, fixture::channel_byte_types)
  40 {
  41     using fixture_t = fixture::channel_reference<Channel const&>;
  42     test_channel_invert<fixture_t>();
  43 }
  44
  45 BOOST_AUTO_TEST_CASE_TEMPLATE(
  46     packed_channel_reference, BitField, fixture::channel_bitfield_types)
  47 {
  48     using channels565_t = fixture::packed_channels565<BitField>;
  49     test_channel_invert<typename channels565_t::fixture_0_5_t>();
  50     test_channel_invert<typename channels565_t::fixture_5_6_t >();
  51     test_channel_invert<typename channels565_t::fixture_11_5_t>();
  52 }
  53
  54 BOOST_AUTO_TEST_CASE_TEMPLATE(
  55     packed_dynamic_channel_reference, BitField, fixture::channel_bitfield_types)
  56 {
  57     using channels565_t = fixture::packed_dynamic_channels565<BitField>;
  58     test_channel_invert<typename channels565_t::fixture_5_t>();
  59     test_channel_invert<typename channels565_t::fixture_6_t>();
  60 }
  61
  62 // TODO: packed_channel_reference_const ?
  63 // TODO: packed_dynamic_channel_reference_const ?