ali@38: /*
ali@38:  * Copyright (C) 2011, 2016  J. Ali Harlow <ali@juiblex.co.uk>
ali@38:  *
ali@38:  * This program is free software; you can redistribute it and/or modify
ali@38:  * it under the terms of the GNU General Public License as published by
ali@38:  * the Free Software Foundation; either version 2 of the License, or
ali@38:  * (at your option) any later version.
ali@38:  *
ali@38:  * This program is distributed in the hope that it will be useful,
ali@38:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
ali@38:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
ali@38:  * GNU General Public License for more details.
ali@38:  *
ali@38:  * You should have received a copy of the GNU General Public License along
ali@38:  * with this program; if not, write to the Free Software Foundation, Inc.,
ali@38:  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
ali@38:  */
ali@38: 
ali@38: #include <stdlib.h>
ali@38: #include <string.h>
ali@38: #include <glib.h>
ali@38: #include <gtk/gtk.h>
ali@38: 
ali@38: static void test_tree_model_iter(GtkTreeModel *model,GtkTreeIter *iter)
ali@38: {
ali@38:     GtkTreePath *path,*path2;
ali@38:     GtkTreeIter iter2,child;
ali@38:     gchar *string,*string2,*s;
ali@38:     int i,n;
ali@38:     if (iter)   /* Not all tests make sense on the virtual root */
ali@38:     {
ali@38: 	/* Check we can convert to a path and back */
ali@38: 	path=gtk_tree_model_get_path(model,iter);
ali@38: 	g_assert(path!=NULL);
ali@38: 	g_assert(gtk_tree_model_get_iter(model,&iter2,path));
ali@38: 	path2=gtk_tree_model_get_path(model,&iter2);
ali@38: 	g_assert(path2!=NULL);
ali@38: 	g_assert(gtk_tree_path_compare(path,path2)==0);
ali@38: 	gtk_tree_path_free(path2);
ali@38: 	/* Check we can convert to a path string and back */
ali@38: 	string=gtk_tree_model_get_string_from_iter(model,iter);
ali@38: 	g_assert(string!=NULL);
ali@38: 	g_assert(gtk_tree_model_get_iter_from_string(model,&iter2,string));
ali@38: 	string2=gtk_tree_model_get_string_from_iter(model,&iter2);
ali@38: 	g_assert(string2!=NULL);
ali@38: 	g_assert(strcmp(string,string2)==0);
ali@38: 	g_free(string2);
ali@38:     }
ali@38:     else
ali@38:     {
ali@38: 	path=NULL;
ali@38: 	string=NULL;
ali@38:     }
ali@38:     if (string)
ali@38: 	g_debug("Checking iter %s",string);
ali@38:     else
ali@38: 	g_debug("Checking virtual root iter");
ali@38:     n=gtk_tree_model_iter_n_children(model,iter);
ali@38:     g_assert(n>=0);
ali@38:     if (n>0)
ali@38:     {
ali@38: 	/* Check that GTK_TREE_MODEL_LIST_ONLY is not set inappropriately */
ali@38: 	if (iter)
ali@38: 	{
ali@38: 	    gboolean list_only_with_grandchildren;
ali@38: 	    list_only_with_grandchildren=
ali@38: 	      gtk_tree_model_get_flags(model)&GTK_TREE_MODEL_LIST_ONLY;
ali@38: 	    g_assert(!list_only_with_grandchildren);
ali@38: 	}
ali@38: 	/* Check that gtk_tree_model_iter_has_child() agrees */
ali@38: 	if (iter)
ali@38: 	    g_assert(gtk_tree_model_iter_has_child(model,iter));
ali@38: 	/* Check that gtk_tree_model_iter_children() returns the first child */
ali@38: 	g_assert(gtk_tree_model_iter_children(model,&child,iter));
ali@38: 	string2=gtk_tree_model_get_string_from_iter(model,&child);
ali@38: 	g_assert(string2!=NULL);
ali@38: 	if (string)
ali@38: 	{
ali@38: 	    g_assert(g_str_has_prefix(string2,string));
ali@38: 	    g_assert(strlen(string2)==strlen(string)+2);
ali@38: 	    g_assert(g_str_has_suffix(string2,":0"));
ali@38: 	}
ali@38: 	else
ali@38: 	    g_assert(strcmp(string2,"0")==0);
ali@38: 	g_free(string2);
ali@38: 	for(i=0;i<n;i++)
ali@38: 	{
ali@38: 	    /*
ali@38: 	     * Check that gtk_tree_model_iter_nth_child() returns the nth child
ali@38: 	     */
ali@38: 	    g_assert(gtk_tree_model_iter_nth_child(model,&child,iter,i));
ali@38: 	    string2=gtk_tree_model_get_string_from_iter(model,&child);
ali@38: 	    g_assert(string2!=NULL);
ali@38: 	    if (string)
ali@38: 		s=g_strdup_printf("%s:%d",string,i);
ali@38: 	    else
ali@38: 		s=g_strdup_printf("%d",i);
ali@38: 	    g_assert(strcmp(string2,s)==0);
ali@38: 	    g_free(s);
ali@38: 	    g_free(string2);
ali@38: 	    /* Check that my son's father is me */
ali@38: 	    if (iter)
ali@38: 	    {
ali@38: 		g_assert(gtk_tree_model_iter_parent(model,&iter2,&child));
ali@38: 		string2=gtk_tree_model_get_string_from_iter(model,&iter2);
ali@38: 		g_assert(strcmp(string,string2)==0);
ali@38: 		g_free(string2);
ali@38: 	    }
ali@38: 	    else
ali@38: 		g_assert(!gtk_tree_model_iter_parent(model,&iter2,&child));
ali@38: 	    /* Check next sibling */
ali@38: 	    if (i+1<n)
ali@38: 	    {
ali@38: 		iter2=child;
ali@38: 		g_assert(gtk_tree_model_iter_next(model,&iter2));
ali@38: 		string2=gtk_tree_model_get_string_from_iter(model,&iter2);
ali@38: 		g_assert(string2!=NULL);
ali@38: 		if (string)
ali@38: 		s=g_strdup_printf("%s:%d",string,i+1);
ali@38: 		    else
ali@38: 		s=g_strdup_printf("%d",i+1);
ali@38: 		g_assert(strcmp(string2,s)==0);
ali@38: 		g_free(s);
ali@38: 		g_free(string2);
ali@38: 	    }
ali@38: 	    else
ali@38: 	    {
ali@38: 		iter2=child;
ali@38: 		g_assert(!gtk_tree_model_iter_next(model,&iter2));
ali@38: 	    }
ali@38: 	    /* Check child */
ali@38: 	    test_tree_model_iter(model,&child);
ali@38: 	}
ali@38: 	/*
ali@38: 	 * Check that gtk_tree_model_iter_nth_child() returns no more children
ali@38: 	 */
ali@38: 	g_assert(!gtk_tree_model_iter_nth_child(model,&child,iter,n));
ali@38:     }
ali@38:     else
ali@38:     {
ali@38: 	/* Check that all APIs agree that iter has no children */
ali@38: 	if (iter)
ali@38: 	    g_assert(!gtk_tree_model_iter_has_child(model,iter));
ali@38: 	g_assert(!gtk_tree_model_iter_children(model,&child,iter));
ali@38: 	g_assert(!gtk_tree_model_iter_nth_child(model,&child,iter,0));
ali@38:     }
ali@38:     gtk_tree_path_free(path);
ali@38:     g_free(string);
ali@38: }
ali@38: 
ali@38: void test_tree_model(GtkTreeModel *model)
ali@38: {
ali@38:     GtkTreeModelFlags undefined_flags;
ali@38:     undefined_flags=gtk_tree_model_get_flags(model);
ali@38:     undefined_flags&=~GTK_TREE_MODEL_ITERS_PERSIST;
ali@38:     undefined_flags&=~GTK_TREE_MODEL_LIST_ONLY;
ali@38:     g_assert(!undefined_flags);
ali@38:     test_tree_model_iter(model,NULL);
ali@38: }