[gtk+] Add generic GtkTreeModel reference counting unit tests

From: Kristian Rietveld <kristian src gnome org>
To: commits-list gnome org
Cc:
Subject: [gtk+] Add generic GtkTreeModel reference counting unit tests
Date: Mon, 22 Aug 2011 19:41:33 +0000 (UTC)
commit bda09159c378c87008beee624c2d64f06a852b88
Author: Kristian Rietveld <kris gtk org>
Date:   Sat May 28 16:48:15 2011 +0200

    Add generic GtkTreeModel reference counting unit tests

 gtk/tests/Makefile.am     |    2 +-
 gtk/tests/modelrefcount.c |  965 +++++++++++++++++++++++++++++++++++++++++++++
 gtk/tests/treemodel.c     |    1 +
 gtk/tests/treemodel.h     |    1 +
 4 files changed, 968 insertions(+), 1 deletions(-)
---
diff --git a/gtk/tests/Makefile.am b/gtk/tests/Makefile.am
index d1c87a7..e28898e 100644
--- a/gtk/tests/Makefile.am
+++ b/gtk/tests/Makefile.am
@@ -28,7 +28,7 @@ testing_SOURCES			 = testing.c
 testing_LDADD			 = $(progs_ldadd)
 
 TEST_PROGS			+= treemodel
-treemodel_SOURCES		 = treemodel.c liststore.c treestore.c filtermodel.c sortmodel.c
+treemodel_SOURCES		 = treemodel.c liststore.c treestore.c filtermodel.c sortmodel.c modelrefcount.c gtktreemodelrefcount.c
 treemodel_LDADD			 = $(progs_ldadd)
 
 TEST_PROGS			+= treeview
diff --git a/gtk/tests/modelrefcount.c b/gtk/tests/modelrefcount.c
new file mode 100644
index 0000000..c94d60f
--- /dev/null
+++ b/gtk/tests/modelrefcount.c
@@ -0,0 +1,965 @@
+/* GtkTreeModel ref counting tests
+ * Copyright (C) 2011  Kristian Rietveld  <kris gtk 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "gtktreemodelrefcount.h"
+#include "treemodel.h"
+
+/* A couple of helpers for the tests */
+
+static inline void
+assert_entire_model_unreferenced (GtkTreeModelRefCount *ref_model)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, NULL, 0,
+                                                         TRUE),
+                   ==, TRUE);
+}
+
+static inline void
+assert_root_level_unreferenced (GtkTreeModelRefCount *ref_model)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, NULL, 0,
+                                                         FALSE),
+                   ==, TRUE);
+}
+
+static inline void
+assert_level_unreferenced (GtkTreeModelRefCount *ref_model,
+                           GtkTreeIter          *iter)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, iter,
+                                                         0, FALSE),
+                   ==, TRUE);
+}
+
+static inline void
+assert_entire_model_referenced (GtkTreeModelRefCount *ref_model,
+                                gint                  ref_count)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, NULL,
+                                                         ref_count, TRUE),
+                   ==, TRUE);
+}
+
+    static inline void
+assert_not_entire_model_referenced (GtkTreeModelRefCount *ref_model,
+                                    gint                  ref_count)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, NULL,
+                                                         ref_count, TRUE),
+                   ==, FALSE);
+}
+
+static inline void
+assert_root_level_referenced (GtkTreeModelRefCount *ref_model,
+                              gint                  ref_count)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, NULL,
+                                                         ref_count, FALSE),
+                   ==, TRUE);
+}
+
+static inline void
+assert_level_referenced (GtkTreeModelRefCount *ref_model,
+                         gint                  ref_count,
+                         GtkTreeIter          *iter)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_level (ref_model, iter,
+                                                         ref_count, FALSE),
+                   ==, TRUE);
+}
+
+static inline void
+assert_node_ref_count (GtkTreeModelRefCount *ref_model,
+                       GtkTreeIter          *iter,
+                       gint                  ref_count)
+{
+  g_assert_cmpint (gtk_tree_model_ref_count_check_node (ref_model, iter,
+                                                        ref_count),
+                   ==, TRUE);
+}
+
+/* And the tests themselves */
+
+static void
+test_list_no_reference (void)
+{
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+
+  assert_root_level_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_list_reference_during_creation (void)
+{
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_root_level_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_list_reference_after_creation (void)
+{
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  assert_root_level_unreferenced (ref_model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_root_level_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+
+static void
+test_tree_no_reference (void)
+{
+  GtkTreeIter iter, child;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_tree_reference_during_creation (void)
+{
+  GtkTreeIter iter, child;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_root_level_referenced (ref_model, 1);
+  assert_not_entire_model_referenced (ref_model, 1);
+  assert_level_unreferenced (ref_model, &child);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_tree_reference_after_creation (void)
+{
+  GtkTreeIter iter, child;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  assert_root_level_referenced (ref_model, 1);
+  assert_not_entire_model_referenced (ref_model, 1);
+  assert_level_unreferenced (ref_model, &child);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_tree_reference_expand_all (void)
+{
+  GtkTreeIter iter, child;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  assert_root_level_referenced (ref_model, 1);
+  assert_not_entire_model_referenced (ref_model, 1);
+  assert_level_unreferenced (ref_model, &child);
+
+  gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
+
+  assert_entire_model_referenced (ref_model, 1);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_root_level_referenced (ref_model, 1);
+  assert_not_entire_model_referenced (ref_model, 1);
+  assert_level_unreferenced (ref_model, &child);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_tree_reference_collapse_all (void)
+{
+  GtkTreeIter iter, child;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  tree_view = gtk_tree_view_new_with_model (model);
+  gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
+
+  assert_entire_model_referenced (ref_model, 1);
+
+  gtk_tree_view_collapse_all (GTK_TREE_VIEW (tree_view));
+
+  assert_root_level_referenced (ref_model, 1);
+  assert_not_entire_model_referenced (ref_model, 1);
+  assert_level_unreferenced (ref_model, &child);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_tree_reference_expand_collapse (void)
+{
+  GtkTreeIter parent1, parent2, child;
+  GtkTreePath *path1, *path2;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &parent1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &parent1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &parent1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &parent2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &parent2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &parent2);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child, &parent2);
+
+  path1 = gtk_tree_model_get_path (model, &parent1);
+  path2 = gtk_tree_model_get_path (model, &parent2);
+
+  assert_level_unreferenced (ref_model, &parent1);
+  assert_level_unreferenced (ref_model, &parent2);
+
+  gtk_tree_view_expand_row (GTK_TREE_VIEW (tree_view), path1, FALSE);
+
+  assert_level_referenced (ref_model, 1, &parent1);
+  assert_level_unreferenced (ref_model, &parent2);
+
+  gtk_tree_view_collapse_row (GTK_TREE_VIEW (tree_view), path1);
+
+  assert_level_unreferenced (ref_model, &parent1);
+  assert_level_unreferenced (ref_model, &parent2);
+
+  gtk_tree_view_expand_row (GTK_TREE_VIEW (tree_view), path2, FALSE);
+
+  assert_level_unreferenced (ref_model, &parent1);
+  assert_level_referenced (ref_model, 1, &parent2);
+
+  gtk_tree_view_collapse_row (GTK_TREE_VIEW (tree_view), path2);
+
+  assert_level_unreferenced (ref_model, &parent1);
+  assert_level_unreferenced (ref_model, &parent2);
+
+  gtk_tree_view_expand_row (GTK_TREE_VIEW (tree_view), path2, FALSE);
+
+  assert_level_unreferenced (ref_model, &parent1);
+  assert_level_referenced (ref_model, 1, &parent2);
+
+  gtk_tree_view_expand_row (GTK_TREE_VIEW (tree_view), path1, FALSE);
+
+  assert_level_referenced (ref_model, 1, &parent1);
+  assert_level_referenced (ref_model, 1, &parent2);
+
+  gtk_tree_path_free (path1);
+  gtk_tree_path_free (path2);
+
+  gtk_widget_destroy (tree_view);
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_list (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+
+  assert_root_level_unreferenced (ref_model);
+
+  /* create and remove a row ref and check reference counts */
+  path = gtk_tree_path_new_from_indices (1, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &iter2, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_root_level_unreferenced (ref_model);
+
+  /* the same, but then also with a tree view monitoring the model */
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  row_ref = gtk_tree_row_reference_new (model, path);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &iter1, 2);
+  assert_node_ref_count (ref_model, &iter2, 1);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &iter2, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_root_level_unreferenced (ref_model);
+
+  gtk_tree_path_free (path);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_list_remove (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+
+  assert_root_level_unreferenced (ref_model);
+
+  /* test creating the row reference and then removing the node */
+  path = gtk_tree_path_new_from_indices (1, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &iter2, 0);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter1);
+
+  assert_root_level_unreferenced (ref_model);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_root_level_unreferenced (ref_model);
+
+  /* test creating a row ref, removing another node and then removing
+   * the row ref node.
+   */
+  row_ref = gtk_tree_row_reference_new (model, path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &iter2, 1);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter0);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter2);
+
+  g_assert (!gtk_tree_model_get_iter_first (model, &iter0));
+
+  gtk_tree_row_reference_free (row_ref);
+
+  gtk_tree_path_free (path);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_tree (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreeIter child0, child1, child2;
+  GtkTreeIter grandchild0, grandchild1, grandchild2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref, *row_ref1;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child0, &iter0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild0, &child0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child1, &iter1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild1, &child1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child2, &iter2);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild2, &child2);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  /* create and remove a row ref and check reference counts */
+  path = gtk_tree_path_new_from_indices (1, 0, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 1);
+  assert_node_ref_count (ref_model, &iter2, 0);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  /* again, with path 1:1 */
+  path = gtk_tree_path_new_from_indices (1, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 0);
+  assert_node_ref_count (ref_model, &iter2, 0);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  /* both row refs existent at once and also with a tree view monitoring
+   * the model
+   */
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  path = gtk_tree_path_new_from_indices (1, 0, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 2);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 1);
+  assert_node_ref_count (ref_model, &iter2, 1);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  path = gtk_tree_path_new_from_indices (1, 0, -1);
+  row_ref1 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 3);
+  assert_node_ref_count (ref_model, &child1, 2);
+  assert_node_ref_count (ref_model, &grandchild1, 1);
+  assert_node_ref_count (ref_model, &iter2, 1);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 2);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 0);
+  assert_node_ref_count (ref_model, &iter2, 1);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_widget_destroy (tree_view);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 0);
+  assert_node_ref_count (ref_model, &iter2, 0);
+  assert_node_ref_count (ref_model, &child2, 0);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_row_reference_free (row_ref1);
+
+  assert_root_level_unreferenced (ref_model);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_tree_remove (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreeIter child0, child1, child2;
+  GtkTreeIter grandchild0, grandchild1, grandchild2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref, *row_ref1, *row_ref2;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child0, &iter0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild0, &child0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child1, &iter1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild1, &child1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child2, &iter2);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild2, &child2);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  path = gtk_tree_path_new_from_indices (1, 0, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  path = gtk_tree_path_new_from_indices (2, 0, -1);
+  row_ref1 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  path = gtk_tree_path_new_from_indices (2, -1);
+  row_ref2 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 1);
+  assert_node_ref_count (ref_model, &iter2, 2);
+  assert_node_ref_count (ref_model, &child2, 1);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &grandchild1);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 0);
+  assert_node_ref_count (ref_model, &child1, 0);
+  assert_node_ref_count (ref_model, &iter2, 2);
+  assert_node_ref_count (ref_model, &child2, 1);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &child2);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 0);
+  assert_node_ref_count (ref_model, &child1, 0);
+  assert_node_ref_count (ref_model, &iter2, 1);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter2);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  gtk_tree_row_reference_free (row_ref);
+  gtk_tree_row_reference_free (row_ref1);
+  gtk_tree_row_reference_free (row_ref2);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_tree_remove_ancestor (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreeIter child0, child1, child2;
+  GtkTreeIter grandchild0, grandchild1, grandchild2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref, *row_ref1;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child0, &iter0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild0, &child0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child1, &iter1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild1, &child1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child2, &iter2);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild2, &child2);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  path = gtk_tree_path_new_from_indices (1, 0, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  path = gtk_tree_path_new_from_indices (2, 0, -1);
+  row_ref1 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &grandchild1, 1);
+  assert_node_ref_count (ref_model, &iter2, 1);
+  assert_node_ref_count (ref_model, &child2, 1);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &child1);
+
+  assert_node_ref_count (ref_model, &iter0, 0);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 0);
+  assert_node_ref_count (ref_model, &iter2, 1);
+  assert_node_ref_count (ref_model, &child2, 1);
+  assert_node_ref_count (ref_model, &grandchild2, 0);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter2);
+
+  assert_entire_model_unreferenced (ref_model);
+
+  gtk_tree_row_reference_free (row_ref);
+  gtk_tree_row_reference_free (row_ref1);
+
+  g_object_unref (ref_model);
+}
+
+static void
+test_row_reference_tree_expand (void)
+{
+  GtkTreeIter iter0, iter1, iter2;
+  GtkTreeIter child0, child1, child2;
+  GtkTreeIter grandchild0, grandchild1, grandchild2;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeModelRefCount *ref_model;
+  GtkTreeRowReference *row_ref, *row_ref1, *row_ref2;
+  GtkWidget *tree_view;
+
+  model = gtk_tree_model_ref_count_new ();
+  ref_model = GTK_TREE_MODEL_REF_COUNT (model);
+  tree_view = gtk_tree_view_new_with_model (model);
+
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child0, &iter0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild0, &child0);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter1, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child1, &iter1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild1, &child1);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &iter2, NULL);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &child2, &iter2);
+  gtk_tree_store_append (GTK_TREE_STORE (model), &grandchild2, &child2);
+
+  assert_root_level_referenced (ref_model, 1);
+
+  gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
+
+  assert_entire_model_referenced (ref_model, 1);
+
+  path = gtk_tree_path_new_from_indices (1, 0, 0, -1);
+  row_ref = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  path = gtk_tree_path_new_from_indices (2, 0, -1);
+  row_ref1 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  path = gtk_tree_path_new_from_indices (2, -1);
+  row_ref2 = gtk_tree_row_reference_new (model, path);
+  gtk_tree_path_free (path);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 1);
+  assert_node_ref_count (ref_model, &grandchild0, 1);
+  assert_node_ref_count (ref_model, &iter1, 2);
+  assert_node_ref_count (ref_model, &child1, 2);
+  assert_node_ref_count (ref_model, &grandchild1, 2);
+  assert_node_ref_count (ref_model, &iter2, 3);
+  assert_node_ref_count (ref_model, &child2, 2);
+  assert_node_ref_count (ref_model, &grandchild2, 1);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &grandchild1);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 1);
+  assert_node_ref_count (ref_model, &grandchild0, 1);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &iter2, 3);
+  assert_node_ref_count (ref_model, &child2, 2);
+  assert_node_ref_count (ref_model, &grandchild2, 1);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &child2);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 1);
+  assert_node_ref_count (ref_model, &grandchild0, 1);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 1);
+  assert_node_ref_count (ref_model, &iter2, 2);
+
+  gtk_tree_view_collapse_all (GTK_TREE_VIEW (tree_view));
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 0);
+  assert_node_ref_count (ref_model, &iter2, 2);
+
+  gtk_tree_store_remove (GTK_TREE_STORE (model), &iter2);
+
+  assert_node_ref_count (ref_model, &iter0, 1);
+  assert_node_ref_count (ref_model, &child0, 0);
+  assert_node_ref_count (ref_model, &grandchild0, 0);
+  assert_node_ref_count (ref_model, &iter1, 1);
+  assert_node_ref_count (ref_model, &child1, 0);
+
+  gtk_tree_row_reference_free (row_ref);
+  gtk_tree_row_reference_free (row_ref1);
+  gtk_tree_row_reference_free (row_ref2);
+
+  gtk_widget_destroy (tree_view);
+  g_object_unref (ref_model);
+}
+
+void
+register_model_ref_count_tests (void)
+{
+  /* lists (though based on GtkTreeStore) */
+  g_test_add_func ("/TreeModel/ref-count/list/no-reference",
+                   test_list_no_reference);
+  g_test_add_func ("/TreeModel/ref-count/list/reference-during-creation",
+                   test_list_reference_during_creation);
+  g_test_add_func ("/TreeModel/ref-count/list/reference-after-creation",
+                   test_list_reference_after_creation);
+
+  /* trees */
+  g_test_add_func ("/TreeModel/ref-count/tree/no-reference",
+                   test_tree_no_reference);
+  g_test_add_func ("/TreeModel/ref-count/tree/reference-during-creation",
+                   test_tree_reference_during_creation);
+  g_test_add_func ("/TreeModel/ref-count/tree/reference-after-creation",
+                   test_tree_reference_after_creation);
+  g_test_add_func ("/TreeModel/ref-count/tree/expand-all",
+                   test_tree_reference_expand_all);
+  g_test_add_func ("/TreeModel/ref-count/tree/collapse-all",
+                   test_tree_reference_collapse_all);
+  g_test_add_func ("/TreeModel/ref-count/tree/expand-collapse",
+                   test_tree_reference_expand_collapse);
+
+  /* row references */
+  g_test_add_func ("/TreeModel/ref-count/row-reference/list",
+                   test_row_reference_list);
+  g_test_add_func ("/TreeModel/ref-count/row-reference/list-remove",
+                   test_row_reference_list_remove);
+  g_test_add_func ("/TreeModel/ref-count/row-reference/tree",
+                   test_row_reference_tree);
+  g_test_add_func ("/TreeModel/ref-count/row-reference/tree-remove",
+                   test_row_reference_tree_remove);
+  g_test_add_func ("/TreeModel/ref-count/row-reference/tree-remove-ancestor",
+                   test_row_reference_tree_remove_ancestor);
+  g_test_add_func ("/TreeModel/ref-count/row-reference/tree-expand",
+                   test_row_reference_tree_expand);
+}
diff --git a/gtk/tests/treemodel.c b/gtk/tests/treemodel.c
index 7791403..d91471f 100644
--- a/gtk/tests/treemodel.c
+++ b/gtk/tests/treemodel.c
@@ -33,6 +33,7 @@ main (int    argc,
   register_tree_store_tests ();
   register_sort_model_tests ();
   register_filter_model_tests ();
+  register_model_ref_count_tests ();
 
   return g_test_run ();
 }
diff --git a/gtk/tests/treemodel.h b/gtk/tests/treemodel.h
index 4a46eba..d63afd7 100644
--- a/gtk/tests/treemodel.h
+++ b/gtk/tests/treemodel.h
@@ -21,3 +21,4 @@ void register_list_store_tests ();
 void register_tree_store_tests ();
 void register_sort_model_tests ();
 void register_filter_model_tests ();
+void register_model_ref_count_tests ();
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