From 070124b0a54166b17f8609bbdf942eb08f3f5ec3 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Wed, 14 Dec 2011 13:49:31 +0100
Subject: [PATCH] tests: Add test resetting the model

We first set a NULL model and then reset the old model, just to get the
effect of clearing and then resetting.

We reset the cursor and selection afterwards, so the reset doesn't
destroy all the work we did.
---
 tests/testtreechanging.c | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/tests/testtreechanging.c b/tests/testtreechanging.c
index f8b90ff2d5..106fc3704a 100644
--- a/tests/testtreechanging.c
+++ b/tests/testtreechanging.c
@@ -63,7 +63,7 @@ log_operation_for_path (GtkTreePath *path,
 {
   char *path_string;
 
-  path_string = gtk_tree_path_to_string (path);
+  path_string = path ? gtk_tree_path_to_string (path) : g_strdup ("");
 
   g_printerr ("%10s %s\n", operation_name, path_string);
 
@@ -288,6 +288,39 @@ unselect (GtkTreeView *treeview)
                                     &iter);
 }
 
+static void
+reset_model (GtkTreeView *treeview)
+{
+  GtkTreeSelection *selection;
+  GtkTreeModel *model;
+  GList *list, *selected;
+  GtkTreePath *cursor;
+  
+  selection = gtk_tree_view_get_selection (treeview);
+  model = g_object_ref (gtk_tree_view_get_model (treeview));
+
+  log_operation_for_path (NULL, "reset");
+
+  selected = gtk_tree_selection_get_selected_rows (selection, NULL);
+  gtk_tree_view_get_cursor (treeview, &cursor, NULL);
+
+  gtk_tree_view_set_model (treeview, NULL);
+  gtk_tree_view_set_model (treeview, model);
+
+  if (cursor)
+    {
+      gtk_tree_view_set_cursor (treeview, cursor, NULL, FALSE);
+      gtk_tree_path_free (cursor);
+    }
+  for (list = selected; list; list = list->next)
+    {
+      gtk_tree_selection_select_path (selection, list->data);
+    }
+  g_list_free_full (selected, (GDestroyNotify) gtk_tree_path_free);
+
+  g_object_unref (model);
+}
+
 /* sanity checks */
 
 static void
@@ -363,7 +396,8 @@ dance (gpointer treeview)
     expand,
     collapse,
     select_,
-    unselect
+    unselect,
+    reset_model
   };
   guint i;