gtk/gdk/tests/gdk-color.c
Emmanuele Bassi 1779ae79a1 rgba: Invert the arguments and improve bindability
Since parse() is a method of the Gdk.RGBA class, the GdkRGBA pointer
should be the first argument, and the string the second one, to allow a
more natural binding.

https://bugzilla.gnome.org/show_bug.cgi?id=635879
2010-11-28 19:01:51 +00:00

104 lines
2.4 KiB
C

#include <locale.h>
#include <gdk/gdk.h>
static void
test_color_parse (void)
{
GdkRGBA color;
GdkRGBA expected;
gboolean res;
res = gdk_rgba_parse (&color, "foo");
g_assert (!res);
res = gdk_rgba_parse (&color, "");
g_assert (!res);
expected.red = 100/255.;
expected.green = 90/255.;
expected.blue = 80/255.;
expected.alpha = 0.1;
res = gdk_rgba_parse (&color, "rgba(100,90,80,0.1)");
g_assert (res);
g_assert (gdk_rgba_equal (&color, &expected));
expected.red = 0.4;
expected.green = 0.3;
expected.blue = 0.2;
expected.alpha = 0.1;
res = gdk_rgba_parse (&color, "rgba(40%,30%,20%,0.1)");
g_assert (res);
g_assert (gdk_rgba_equal (&color, &expected));
res = gdk_rgba_parse (&color, "rgba( 40 % , 30 % , 20 % , 0.1 )");
g_assert (res);
g_assert (gdk_rgba_equal (&color, &expected));
expected.red = 1.0;
expected.green = 0.0;
expected.blue = 0.0;
expected.alpha = 1.0;
res = gdk_rgba_parse (&color, "red");
g_assert (res);
g_assert (gdk_rgba_equal (&color, &expected));
expected.red = 0.0;
expected.green = 0x8080 / 65535.;
expected.blue = 1.0;
expected.alpha = 1.0;
res = gdk_rgba_parse (&color, "#0080ff");
g_assert (res);
g_assert (gdk_rgba_equal (&color, &expected));
}
static void
test_color_to_string (void)
{
GdkRGBA rgba;
GdkRGBA out;
gchar *res;
gchar *res_de;
gchar *res_en;
gchar *orig;
/* Using /255. values for the r, g, b components should
* make sure they round-trip exactly without rounding
* from the double => integer => double conversions */
rgba.red = 1.0;
rgba.green = 128/255.;
rgba.blue = 64/255.;
rgba.alpha = 0.5;
orig = g_strdup (setlocale (LC_ALL, NULL));
res = gdk_rgba_to_string (&rgba);
gdk_rgba_parse (&out, res);
g_assert (gdk_rgba_equal (&rgba, &out));
setlocale (LC_ALL, "de_DE.utf-8");
res_de = gdk_rgba_to_string (&rgba);
g_assert_cmpstr (res, ==, res_de);
setlocale (LC_ALL, "en_US.utf-8");
res_en = gdk_rgba_to_string (&rgba);
g_assert_cmpstr (res, ==, res_en);
g_free (res);
g_free (res_de);
g_free (res_en);
setlocale (LC_ALL, orig);
g_free (orig);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
gdk_init (&argc, &argv);
g_test_add_func ("/color/parse", test_color_parse);
g_test_add_func ("/color/to-string", test_color_to_string);
return g_test_run ();
}