[gtk+] Add two unit tests for gtk_tree_model_filter_row_inserted

[Kristian Rietveld <kristian src gnome org>]

commit 3452b0493dbe9a3159ec109e12f321035ed141f4
Author: Kristian Rietveld <kris gtk org>
Date:   Sat May 14 14:47:39 2011 +0200

    Add two unit tests for gtk_tree_model_filter_row_inserted

 gtk/tests/filtermodel.c |  150 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 150 insertions(+), 0 deletions(-)
---
diff --git a/gtk/tests/filtermodel.c b/gtk/tests/filtermodel.c
index 88fe123..ce75ec4 100644
--- a/gtk/tests/filtermodel.c
+++ b/gtk/tests/filtermodel.c
@@ -1824,6 +1824,150 @@ unfiltered_vroot_show_single_multi_level (FilterTest    *fixture,
 
 
 static void
+insert_before (void)
+{
+  GtkTreeStore *store;
+  GtkTreeModel *filter;
+  GtkWidget *tree_view;
+  SignalMonitor *monitor;
+  GtkTreeIter iter;
+  GtkTreeIter last_iter;
+  GtkTreePath *path;
+
+  /* This tests two aspects of the row-inserted handling:
+   *   1) If the newly inserted node was already handled by building
+   *      the root level, don't handle it a second time.
+   *   2) Offsets of existing nodes must be updated when a new
+   *      node is inserted.
+   */
+
+  store = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_BOOLEAN);
+  filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (store), NULL);
+  gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter),
+                                            1);
+
+  tree_view = gtk_tree_view_new_with_model (filter);
+  monitor = signal_monitor_new (filter);
+
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 0);
+
+  /* Insert 0 */
+  path = gtk_tree_path_new_from_indices (0, -1);
+  signal_monitor_append_signal_path (monitor, ROW_INSERTED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
+                                     0, "Foo", 1, TRUE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 1);
+
+  /* Insert 1 */
+  path = gtk_tree_path_new_from_indices (1, -1);
+  signal_monitor_append_signal_path (monitor, ROW_INSERTED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_insert_with_values (store, &iter, NULL, 1,
+                                     0, "Foo", 1, TRUE, -1);
+  last_iter = iter;
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 2);
+
+  /* Insert on 1 again -- invisible */
+  gtk_tree_store_insert_with_values (store, &iter, NULL, 1,
+                                     0, "Foo", 1, FALSE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 2);
+
+  /* Insert on 1 again -- visible */
+  path = gtk_tree_path_new_from_indices (1, -1);
+  signal_monitor_append_signal_path (monitor, ROW_INSERTED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_insert_with_values (store, &iter, NULL, 1,
+                                     0, "Foo", 1, TRUE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 3);
+
+  /* Modify the iter that should be at the last position and check the
+   * signal we get.
+   */
+  path = gtk_tree_path_new_from_indices (2, -1);
+  signal_monitor_append_signal_path (monitor, ROW_CHANGED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_set (store, &last_iter, 0, "Foo changed", -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 3);
+}
+
+static void
+insert_child (void)
+{
+  GtkTreeStore *store;
+  GtkTreeModel *filter;
+  GtkWidget *tree_view;
+  SignalMonitor *monitor;
+  GtkTreeIter parent, iter;
+  GtkTreePath *path;
+
+  store = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_BOOLEAN);
+
+  gtk_tree_store_insert_with_values (store, &parent, NULL, 0,
+                                     0, "Parent", 1, TRUE, -1);
+
+
+  filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (store), NULL);
+  gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter),
+                                            1);
+
+  tree_view = gtk_tree_view_new_with_model (filter);
+  monitor = signal_monitor_new (filter);
+
+  /* Insert child -- invisible */
+  path = gtk_tree_path_new_from_indices (0, -1);
+  signal_monitor_append_signal_path (monitor, ROW_HAS_CHILD_TOGGLED, path);
+  /* The signal is received twice, once a pass through from GtkTreeStore
+   * and one generated by GtkTreeModelFilter.  Not accurate, but cannot
+   * hurt.
+   */
+  signal_monitor_append_signal_path (monitor, ROW_HAS_CHILD_TOGGLED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_insert_with_values (store, &iter, &parent, 1,
+                                     0, "Child", 1, FALSE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 1);
+
+  /* Insert child */
+  path = gtk_tree_path_new_from_indices (0, 0, -1);
+  signal_monitor_append_signal_path (monitor, ROW_INSERTED, path);
+  gtk_tree_path_up (path); /* 0 */
+  signal_monitor_append_signal_path (monitor, ROW_HAS_CHILD_TOGGLED, path);
+  gtk_tree_path_free (path);
+
+  gtk_tree_store_insert_with_values (store, &iter, &parent, 0,
+                                     0, "Child", 1, TRUE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 1);
+
+  /* Insert child -- invisible */
+  gtk_tree_store_insert_with_values (store, &iter, &parent, 1,
+                                     0, "Child", 1, FALSE, -1);
+
+  signal_monitor_assert_is_empty (monitor);
+  check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 1);
+}
+
+
+
+static void
 specific_remove_node (void)
 {
   GtkTreeIter iter, iter1, iter2, iter3;
@@ -3138,6 +3282,12 @@ register_filter_model_tests (void)
               unfiltered_vroot_show_single_multi_level,
               filter_test_teardown);
 
+  /* Inserts in child models after creation of filter model */
+  g_test_add_func ("/TreeModelFilter/insert/before",
+                   insert_before);
+  g_test_add_func ("/TreeModelFilter/insert/child",
+                   insert_child);
+
   g_test_add_func ("/TreeModelFilter/specific/remove-node",
                    specific_remove_node);
   g_test_add_func ("/TreeModelFilter/specific/remove-node-vroot",