[glib-controller] examples: Verify that we don't iterate over an empty model

[Emmanuele Bassi <ebassi src gnome org>]

commit 2031640035ff41eda0d8bee41bbfa87d3bdfacf5
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Wed Mar 7 16:33:23 2012 +0000

    examples: Verify that we don't iterate over an empty model

 examples/simple-model.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/examples/simple-model.c b/examples/simple-model.c
index d2f2825..004733c 100644
--- a/examples/simple-model.c
+++ b/examples/simple-model.c
@@ -336,6 +336,7 @@ main (int argc, char *argv[])
       g_print ("\trow[%d] = '%s'\n", i, my_simple_model_get_text (model, i));
       i += 1;
     }
+  g_iterator_unref (iter);
 
   my_simple_model_remove_text (model, "baz");
 
@@ -347,9 +348,16 @@ main (int argc, char *argv[])
       g_print ("\trow[%d] = '%s'\n", i, my_simple_model_get_text (model, i));
       i += 1;
     }
+  g_iterator_unref (iter);
 
   my_simple_model_clear (model);
 
+  g_print ("Model contents:\n");
+  iter = g_iterable_create_iterator (G_ITERABLE (model));
+  while (g_iterator_next (iter))
+    g_assert_not_reached ();
+  g_iterator_unref (iter);
+
   g_object_unref (model);
 
   return EXIT_SUCCESS;