diff options
| -rw-r--r-- | testsuite/gdk/color.c | 43 | ||||
| -rw-r--r-- | testsuite/gdk/meson.build | 1 |
2 files changed, 44 insertions, 0 deletions
diff --git a/testsuite/gdk/color.c b/testsuite/gdk/color.c new file mode 100644 index 0000000000..48b70a3ceb --- /dev/null +++ b/testsuite/gdk/color.c @@ -0,0 +1,43 @@ +#include <gdk/gdk.h> +#include <gdk/gdkcolorprivate.h> +#include <gdk/gdkcolorspaceprivate.h> + +static void +test_roundtrip_srgb (void) +{ + GdkColorSpace *srgb = gdk_color_space_get_srgb (); + GdkColorSpace *srgb_linear = gdk_color_space_get_srgb_linear (); + GdkColor orig; + GdkColor linear; + GdkColor back; + GdkRGBA rgba; + + for (int i = 0; i < 1000; i++) + { + rgba.red = g_test_rand_double_range (0., 1.); + rgba.green = g_test_rand_double_range (0., 1.); + rgba.blue = g_test_rand_double_range (0., 1.); + rgba.alpha = g_test_rand_double_range (0., 1.); + + gdk_color_init_from_rgba (&orig, &rgba); + + gdk_color_convert (&linear, srgb_linear, &orig); + gdk_color_convert (&back, srgb, &linear); + + g_assert_true (gdk_color_space_equal (gdk_color_get_color_space (&orig), gdk_color_get_color_space (&back))); + g_assert_cmpfloat_with_epsilon (gdk_color_get_alpha (&orig), gdk_color_get_alpha (&back), 0.0001); + g_assert_cmpfloat_with_epsilon (gdk_color_get_components (&orig)[0], gdk_color_get_components (&back)[0], 0.0001); + g_assert_cmpfloat_with_epsilon (gdk_color_get_components (&orig)[1], gdk_color_get_components (&back)[1], 0.0001); + g_assert_cmpfloat_with_epsilon (gdk_color_get_components (&orig)[2], gdk_color_get_components (&back)[2], 0.0001); + } +} + +int +main (int argc, char *argv[]) +{ + (g_test_init) (&argc, &argv, NULL); + + g_test_add_func ("/color/roundtrip-srgb", test_roundtrip_srgb); + + return g_test_run (); +} diff --git a/testsuite/gdk/meson.build b/testsuite/gdk/meson.build index e8bc9c88f9..59e860e43c 100644 --- a/testsuite/gdk/meson.build +++ b/testsuite/gdk/meson.build @@ -56,6 +56,7 @@ endforeach internal_tests = [ 'image', 'texture', + 'color' ] foreach t : internal_tests |