libs/gil/test/core/channel/algorithm_channel_relation.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_relation
  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_relation()
  20 {
  21     using fixture_t = fixture::channel<ChannelFixtureBase>;
  22     using channel_value_t = typename fixture_t::channel_value_t;
  23     channel_value_t const one = 1;
  24
  25     fixture_t f;
  26     BOOST_TEST(f.min_v_ <= f.max_v_);
  27     BOOST_TEST(f.max_v_ >= f.min_v_);
  28     BOOST_TEST(f.min_v_ < f.max_v_);
  29     BOOST_TEST(f.max_v_ > f.min_v_);
  30     BOOST_TEST(f.max_v_ != f.min_v_);
  31     BOOST_TEST(f.min_v_ == f.min_v_);
  32     BOOST_TEST(f.min_v_ != one); // comparable to integral
  33 }
  34
  35 BOOST_AUTO_TEST_CASE_TEMPLATE(channel_value, Channel, fixture::channel_byte_types)
  36 {
  37     using fixture_t = fixture::channel_value<Channel>;
  38     test_channel_relation<fixture_t>();
  39 }
  40
  41 BOOST_AUTO_TEST_CASE_TEMPLATE(channel_reference, Channel, fixture::channel_byte_types)
  42 {
  43     using fixture_t = fixture::channel_reference<Channel&>;
  44     test_channel_relation<fixture_t>();
  45 }
  46
  47 BOOST_AUTO_TEST_CASE_TEMPLATE(channel_reference_const, Channel, fixture::channel_byte_types)
  48 {
  49     using fixture_t = fixture::channel_reference<Channel const&>;
  50     test_channel_relation<fixture_t>();
  51 }
  52
  53 BOOST_AUTO_TEST_CASE_TEMPLATE(packed_channel_reference, BitField, fixture::channel_bitfield_types)
  54 {
  55     using channels565_t = fixture::packed_channels565<BitField>;
  56     test_channel_relation<typename channels565_t::fixture_0_5_t>();
  57     test_channel_relation<typename channels565_t::fixture_5_6_t >();
  58     test_channel_relation<typename channels565_t::fixture_11_5_t>();
  59 }
  60
  61 BOOST_AUTO_TEST_CASE_TEMPLATE(packed_dynamic_channel_reference, BitField, fixture::channel_bitfield_types)
  62 {
  63     using channels565_t = fixture::packed_dynamic_channels565<BitField>;
  64     test_channel_relation<typename channels565_t::fixture_5_t>();
  65     test_channel_relation<typename channels565_t::fixture_6_t>();
  66 }