1 #include <boost/test/auto_unit_test.hpp>
2 #include <boost/test/floating_point_comparison.hpp>
5 #include "alg/color.hpp"
9 BOOST_AUTO_TEST_CASE ( color )
11 const float tolerance = 1e-6;
12 const float zero = 0.0;
13 const float dotone = 0.1;
14 const float dottwo = 0.2;
15 const float dotthree = 0.3;
16 const float dotfour = 0.4;
18 BOOST_CHECK_CLOSE (c1.r(), zero, tolerance );
19 BOOST_CHECK_CLOSE (c1.g(), zero, tolerance );
20 BOOST_CHECK_CLOSE (c1.b(), zero, tolerance );
21 BOOST_CHECK_CLOSE (c1.a(), zero, tolerance );
23 Color c2(dotone, dottwo, dotthree, dotfour);
24 BOOST_CHECK_CLOSE (c2.r(), dotone, tolerance );
25 BOOST_CHECK_CLOSE (c2.g(), dottwo, tolerance );
26 BOOST_CHECK_CLOSE (c2.b(), dotthree, tolerance );
27 BOOST_CHECK_CLOSE (c2.a(), dotfour, tolerance );
30 BOOST_CHECK_CLOSE (c3.r(), dotone, tolerance );
31 BOOST_CHECK_CLOSE (c3.g(), dottwo, tolerance );
32 BOOST_CHECK_CLOSE (c3.b(), dotthree, tolerance );
33 BOOST_CHECK_CLOSE (c3.a(), dotfour, tolerance );
34 BOOST_CHECK_EQUAL ( c2, c3 );
36 const float *colors = c3.get();
37 BOOST_CHECK_CLOSE (colors[Color::RedChannel ], dotone, tolerance );
38 BOOST_CHECK_CLOSE (colors[Color::GreenChannel ], dottwo, tolerance );
39 BOOST_CHECK_CLOSE (colors[Color::BlueChannel ], dotthree, tolerance );
40 BOOST_CHECK_CLOSE (colors[Color::AlphaChannel ], dotfour, tolerance );