[gtk+] testsuite: Add a test for functions that work without gtk_init()

[Benjamin Otte <otte src gnome org>]

commit 7a9641b0f6c7ce8c76b9215a2b148df58cfbdaae
Author: Benjamin Otte <otte redhat com>
Date:   Tue Sep 24 15:53:34 2013 +0200

    testsuite: Add a test for functions that work without gtk_init()
    
    So far, this is just supposed to be gdk_cairo_set_source_pixbuf().
    
    Note that this is usually not an API guarantee but courtesy to
    applications that used these APIs without a gtk_init() call.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=708547

 testsuite/gtk/Makefile.am   |    1 +
 testsuite/gtk/no-gtk-init.c |   59 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index 1e87b3d..75e92dd 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -41,6 +41,7 @@ TEST_PROGS +=                         \
        gtkmenu                 \
        keyhash                 \
        listbox                 \
+       no-gtk-init             \
        object                  \
        objects-finalize        \
        papersize               \
diff --git a/testsuite/gtk/no-gtk-init.c b/testsuite/gtk/no-gtk-init.c
new file mode 100644
index 0000000..29d151f
--- /dev/null
+++ b/testsuite/gtk/no-gtk-init.c
@@ -0,0 +1,59 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2013 Benjamin Otte <otte gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gtk/gtk.h>
+#include <locale.h>
+
+/* This test tests functions that are supposed to work without calling gtk_init()
+ * or gdk_init().
+ */
+
+static void
+test_gdk_cairo_set_source_pixbuf (void)
+{
+  cairo_surface_t *surface;
+  cairo_t *cr;
+  GdkPixbuf *pixbuf;
+
+  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 5, 5);
+  surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 10, 10);
+  cr = cairo_create (surface);
+
+  gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
+  cairo_paint (cr);
+
+  cairo_destroy (cr);
+  cairo_surface_destroy (surface);
+  g_object_unref (pixbuf);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+  /* Keep in sync with gtk_test_init() */
+  g_test_init (&argc, &argv, NULL);
+  g_setenv ("GTK_MODULES", "", TRUE);
+  setlocale (LC_ALL, "C");
+  g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=%s";);
+
+
+  g_test_add_func ("/no_gtk_init/gdk_cairo_set_source_pixbuf", test_gdk_cairo_set_source_pixbuf);
+
+
+  return g_test_run();
+}