[gtk+] Check for successfull iterator retrieval

[Kristian Rietveld <kristian src gnome org>]

commit 18b20416e59b504ea13d918d6f0df46632740032
Author: Kristian Rietveld <kris gtk org>
Date:   Tue Sep 1 16:37:57 2009 +0200

    Check for successfull iterator retrieval

 gtk/tests/filtermodel.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gtk/tests/filtermodel.c b/gtk/tests/filtermodel.c
index b0bde6c..850f8d3 100644
--- a/gtk/tests/filtermodel.c
+++ b/gtk/tests/filtermodel.c
@@ -276,10 +276,12 @@ check_level_length (GtkTreeModelFilter *filter,
   else
     {
       int l;
+      gboolean retrieved_iter = FALSE;
       GtkTreeIter iter;
 
-      gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (filter),
-                                           &iter, level);
+      retrieved_iter = gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (filter),
+                                                            &iter, level);
+      g_return_if_fail (retrieved_iter);
       l = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (filter), &iter);
       g_return_if_fail (l == length);
     }