[gtk+] Add a test for gdk_rgba_copy

[Matthias Clasen <matthiasc src gnome org>]

commit 2b16ec9f1467964c869e3705096a92193d8df8ed
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 7 19:00:32 2012 -0500

    Add a test for gdk_rgba_copy

 gdk/tests/gdk-color.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/gdk/tests/gdk-color.c b/gdk/tests/gdk-color.c
index 3c3955a..af69c20 100644
--- a/gdk/tests/gdk-color.c
+++ b/gdk/tests/gdk-color.c
@@ -90,6 +90,23 @@ test_color_to_string (void)
   g_free (orig);
 }
 
+static void
+test_color_copy (void)
+{
+  GdkRGBA rgba;
+  GdkRGBA *out;
+
+  rgba.red = 0.0;
+  rgba.green = 0.1;
+  rgba.blue = 0.6;
+  rgba.alpha = 0.9;
+
+  out = gdk_rgba_copy (&rgba);
+  g_assert (gdk_rgba_equal (&rgba, out));
+
+  gdk_rgba_free (out);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -97,6 +114,7 @@ main (int argc, char *argv[])
 
         g_test_add_func ("/color/parse", test_color_parse);
         g_test_add_func ("/color/to-string", test_color_to_string);
+        g_test_add_func ("/color/copy", test_color_copy);
 
         return g_test_run ();
 }