build: Move gtk/tests to testsuite/gtk
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							| @ -0,0 +1,313 @@ | ||||
| /* gtktreemodelrefcount.c | ||||
|  * 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 Library 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 | ||||
|  * Library General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU Library General Public | ||||
|  * License along with this library. If not, see <http://www.gnu.org/licenses/>. | ||||
|  */ | ||||
|  | ||||
| #include "config.h" | ||||
| #include "gtktreemodelrefcount.h" | ||||
|  | ||||
|  | ||||
| /* The purpose of this GtkTreeModel is to keep record of the reference count | ||||
|  * of each node.  The reference count does not effect the functioning of | ||||
|  * the model in any way.  Because this model is a subclass of GtkTreeStore, | ||||
|  * the GtkTreeStore API should be used to add to and remove nodes from | ||||
|  * this model.  We depend on the iter format of GtkTreeStore, which means | ||||
|  * that this model needs to be revised in case the iter format of | ||||
|  * GtkTreeStore is modified.  Currently, we make use of the fact that | ||||
|  * the value stored in the user_data field is unique for each node. | ||||
|  */ | ||||
|  | ||||
| struct _GtkTreeModelRefCountPrivate | ||||
| { | ||||
|   GHashTable *node_hash; | ||||
| }; | ||||
|  | ||||
| typedef struct | ||||
| { | ||||
|   int ref_count; | ||||
| } | ||||
| NodeInfo; | ||||
|  | ||||
|  | ||||
| static void      gtk_tree_model_ref_count_tree_model_init (GtkTreeModelIface *iface); | ||||
| static void      gtk_tree_model_ref_count_finalize        (GObject           *object); | ||||
|  | ||||
| static NodeInfo *node_info_new                            (void); | ||||
| static void      node_info_free                           (NodeInfo          *info); | ||||
|  | ||||
| /* GtkTreeModel interface */ | ||||
| static void      gtk_tree_model_ref_count_ref_node        (GtkTreeModel      *model, | ||||
|                                                            GtkTreeIter       *iter); | ||||
| static void      gtk_tree_model_ref_count_unref_node      (GtkTreeModel      *model, | ||||
|                                                            GtkTreeIter       *iter); | ||||
|  | ||||
|  | ||||
| G_DEFINE_TYPE_WITH_CODE (GtkTreeModelRefCount, gtk_tree_model_ref_count, GTK_TYPE_TREE_STORE, | ||||
|                          G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL, | ||||
|                                                 gtk_tree_model_ref_count_tree_model_init)) | ||||
|  | ||||
| static void | ||||
| row_removed (GtkTreeModelRefCount *ref_model, | ||||
|              GtkTreePath *path) | ||||
| { | ||||
|   GHashTableIter iter; | ||||
|   GtkTreeIter tree_iter; | ||||
|  | ||||
|   if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (ref_model), &tree_iter)) | ||||
|     { | ||||
|       g_hash_table_remove_all (ref_model->priv->node_hash); | ||||
|       return; | ||||
|     } | ||||
|  | ||||
|   g_hash_table_iter_init (&iter, ref_model->priv->node_hash); | ||||
|  | ||||
|   while (g_hash_table_iter_next (&iter, &tree_iter.user_data, NULL)) | ||||
|     { | ||||
|       if (!gtk_tree_store_iter_is_valid (GTK_TREE_STORE (ref_model), &tree_iter)) | ||||
|         g_hash_table_iter_remove (&iter); | ||||
|     } | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_init (GtkTreeModelRefCount *ref_model) | ||||
| { | ||||
|   ref_model->priv = G_TYPE_INSTANCE_GET_PRIVATE (ref_model, | ||||
|                                                  GTK_TYPE_TREE_MODEL_REF_COUNT, | ||||
|                                                  GtkTreeModelRefCountPrivate); | ||||
|  | ||||
|   ref_model->priv->node_hash = g_hash_table_new_full (g_direct_hash, | ||||
|                                                       g_direct_equal, | ||||
|                                                       NULL, | ||||
|                                                       (GDestroyNotify)node_info_free); | ||||
|  | ||||
|   g_signal_connect (ref_model, "row-deleted", G_CALLBACK (row_removed), NULL); | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_class_init (GtkTreeModelRefCountClass *ref_model_class) | ||||
| { | ||||
|   GObjectClass *object_class; | ||||
|  | ||||
|   object_class = (GObjectClass *) ref_model_class; | ||||
|  | ||||
|   object_class->finalize = gtk_tree_model_ref_count_finalize; | ||||
|  | ||||
|   g_type_class_add_private (object_class, sizeof (GtkTreeModelRefCountPrivate)); | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_tree_model_init (GtkTreeModelIface *iface) | ||||
| { | ||||
|   iface->ref_node = gtk_tree_model_ref_count_ref_node; | ||||
|   iface->unref_node = gtk_tree_model_ref_count_unref_node; | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_finalize (GObject *object) | ||||
| { | ||||
|   GtkTreeModelRefCount *ref_model = GTK_TREE_MODEL_REF_COUNT (object); | ||||
|  | ||||
|   if (ref_model->priv->node_hash) | ||||
|     { | ||||
|       g_hash_table_destroy (ref_model->priv->node_hash); | ||||
|       ref_model->priv->node_hash = NULL; | ||||
|     } | ||||
|  | ||||
|   G_OBJECT_CLASS (gtk_tree_model_ref_count_parent_class)->finalize (object); | ||||
| } | ||||
|  | ||||
|  | ||||
| static NodeInfo * | ||||
| node_info_new (void) | ||||
| { | ||||
|   NodeInfo *info = g_slice_new (NodeInfo); | ||||
|   info->ref_count = 0; | ||||
|  | ||||
|   return info; | ||||
| } | ||||
|  | ||||
| static void | ||||
| node_info_free (NodeInfo *info) | ||||
| { | ||||
|   g_slice_free (NodeInfo, info); | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_ref_node (GtkTreeModel *model, | ||||
|                                    GtkTreeIter  *iter) | ||||
| { | ||||
|   NodeInfo *info; | ||||
|   GtkTreeModelRefCount *ref_model = GTK_TREE_MODEL_REF_COUNT (model); | ||||
|  | ||||
|   info = g_hash_table_lookup (ref_model->priv->node_hash, iter->user_data); | ||||
|   if (!info) | ||||
|     { | ||||
|       info = node_info_new (); | ||||
|  | ||||
|       g_hash_table_insert (ref_model->priv->node_hash, iter->user_data, info); | ||||
|     } | ||||
|  | ||||
|   info->ref_count++; | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_unref_node (GtkTreeModel *model, | ||||
|                                      GtkTreeIter  *iter) | ||||
| { | ||||
|   NodeInfo *info; | ||||
|   GtkTreeModelRefCount *ref_model = GTK_TREE_MODEL_REF_COUNT (model); | ||||
|  | ||||
|   info = g_hash_table_lookup (ref_model->priv->node_hash, iter->user_data); | ||||
|   g_assert (info != NULL); | ||||
|   g_assert (info->ref_count > 0); | ||||
|  | ||||
|   info->ref_count--; | ||||
| } | ||||
|  | ||||
|  | ||||
| GtkTreeModel * | ||||
| gtk_tree_model_ref_count_new (void) | ||||
| { | ||||
|   GtkTreeModel *retval; | ||||
|  | ||||
|   retval = g_object_new (gtk_tree_model_ref_count_get_type (), NULL); | ||||
|  | ||||
|   return retval; | ||||
| } | ||||
|  | ||||
| static void | ||||
| dump_iter (GtkTreeModelRefCount *ref_model, | ||||
|            GtkTreeIter          *iter) | ||||
| { | ||||
|   gchar *path_str; | ||||
|   NodeInfo *info; | ||||
|   GtkTreePath *path; | ||||
|  | ||||
|   path = gtk_tree_model_get_path (GTK_TREE_MODEL (ref_model), iter); | ||||
|   path_str = gtk_tree_path_to_string (path); | ||||
|   gtk_tree_path_free (path); | ||||
|  | ||||
|   info = g_hash_table_lookup (ref_model->priv->node_hash, iter->user_data); | ||||
|   if (!info) | ||||
|     g_print ("%-16s ref_count=0\n", path_str); | ||||
|   else | ||||
|     g_print ("%-16s ref_count=%d\n", path_str, info->ref_count); | ||||
|  | ||||
|   g_free (path_str); | ||||
| } | ||||
|  | ||||
| static void | ||||
| gtk_tree_model_ref_count_dump_recurse (GtkTreeModelRefCount *ref_model, | ||||
|                                        GtkTreeIter          *iter) | ||||
| { | ||||
|   do | ||||
|     { | ||||
|       GtkTreeIter child; | ||||
|  | ||||
|       dump_iter (ref_model, iter); | ||||
|  | ||||
|       if (gtk_tree_model_iter_children (GTK_TREE_MODEL (ref_model), | ||||
|                                         &child, iter)) | ||||
|         gtk_tree_model_ref_count_dump_recurse (ref_model, &child); | ||||
|     } | ||||
|   while (gtk_tree_model_iter_next (GTK_TREE_MODEL (ref_model), iter)); | ||||
| } | ||||
|  | ||||
| void | ||||
| gtk_tree_model_ref_count_dump (GtkTreeModelRefCount *ref_model) | ||||
| { | ||||
|   GtkTreeIter iter; | ||||
|  | ||||
|   if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (ref_model), &iter)) | ||||
|     return; | ||||
|  | ||||
|   gtk_tree_model_ref_count_dump_recurse (ref_model, &iter); | ||||
| } | ||||
|  | ||||
| static gboolean | ||||
| check_iter (GtkTreeModelRefCount *ref_model, | ||||
|             GtkTreeIter          *iter, | ||||
|             gint                  expected_ref_count, | ||||
|             gboolean              may_assert) | ||||
| { | ||||
|   NodeInfo *info; | ||||
|  | ||||
|   if (may_assert) | ||||
|     g_assert (gtk_tree_store_iter_is_valid (GTK_TREE_STORE (ref_model), iter)); | ||||
|  | ||||
|   info = g_hash_table_lookup (ref_model->priv->node_hash, iter->user_data); | ||||
|   if (!info) | ||||
|     { | ||||
|       if (expected_ref_count == 0) | ||||
|         return TRUE; | ||||
|       else | ||||
|         { | ||||
|           if (may_assert) | ||||
|             g_error ("Expected ref count %d, but node has never been referenced.\n", expected_ref_count); | ||||
|           return FALSE; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|   if (may_assert) | ||||
|     { | ||||
|       if (expected_ref_count == 0) | ||||
|         g_assert_cmpint (expected_ref_count, ==, info->ref_count); | ||||
|       else | ||||
|         g_assert_cmpint (expected_ref_count, <=, info->ref_count); | ||||
|     } | ||||
|  | ||||
|   return expected_ref_count == info->ref_count; | ||||
| } | ||||
|  | ||||
| gboolean | ||||
| gtk_tree_model_ref_count_check_level (GtkTreeModelRefCount *ref_model, | ||||
|                                       GtkTreeIter          *parent, | ||||
|                                       gint                  expected_ref_count, | ||||
|                                       gboolean              recurse, | ||||
|                                       gboolean              may_assert) | ||||
| { | ||||
|   GtkTreeIter iter; | ||||
|  | ||||
|   if (!gtk_tree_model_iter_children (GTK_TREE_MODEL (ref_model), | ||||
|                                      &iter, parent)) | ||||
|     return TRUE; | ||||
|  | ||||
|   do | ||||
|     { | ||||
|       if (!check_iter (ref_model, &iter, expected_ref_count, may_assert)) | ||||
|         return FALSE; | ||||
|  | ||||
|       if (recurse && | ||||
|           gtk_tree_model_iter_has_child (GTK_TREE_MODEL (ref_model), &iter)) | ||||
|         { | ||||
|           if (!gtk_tree_model_ref_count_check_level (ref_model, &iter, | ||||
|                                                      expected_ref_count, | ||||
|                                                      recurse, may_assert)) | ||||
|             return FALSE; | ||||
|         } | ||||
|     } | ||||
|   while (gtk_tree_model_iter_next (GTK_TREE_MODEL (ref_model), &iter)); | ||||
|  | ||||
|   return TRUE; | ||||
| } | ||||
|  | ||||
| gboolean | ||||
| gtk_tree_model_ref_count_check_node (GtkTreeModelRefCount *ref_model, | ||||
|                                      GtkTreeIter          *iter, | ||||
|                                      gint                  expected_ref_count, | ||||
|                                      gboolean              may_assert) | ||||
| { | ||||
|   return check_iter (ref_model, iter, expected_ref_count, may_assert); | ||||
| } | ||||
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