tests/plover-gtk/treemodel.c
changeset 94 0e1a57225c62
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/tests/plover-gtk/treemodel.c	Mon Jul 13 13:19:03 2020 +0100
     1.3 @@ -0,0 +1,159 @@
     1.4 +/*
     1.5 + * Copyright (C) 2011, 2016  J. Ali Harlow <ali@juiblex.co.uk>
     1.6 + *
     1.7 + * This program is free software; you can redistribute it and/or modify
     1.8 + * it under the terms of the GNU General Public License as published by
     1.9 + * the Free Software Foundation; either version 2 of the License, or
    1.10 + * (at your option) any later version.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License along
    1.18 + * with this program; if not, write to the Free Software Foundation, Inc.,
    1.19 + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    1.20 + */
    1.21 +
    1.22 +#include <stdlib.h>
    1.23 +#include <string.h>
    1.24 +#include <glib.h>
    1.25 +#include <gtk/gtk.h>
    1.26 +
    1.27 +static void test_tree_model_iter(GtkTreeModel *model,GtkTreeIter *iter)
    1.28 +{
    1.29 +    GtkTreePath *path,*path2;
    1.30 +    GtkTreeIter iter2,child;
    1.31 +    gchar *string,*string2,*s;
    1.32 +    int i,n;
    1.33 +    if (iter)   /* Not all tests make sense on the virtual root */
    1.34 +    {
    1.35 +	/* Check we can convert to a path and back */
    1.36 +	path=gtk_tree_model_get_path(model,iter);
    1.37 +	g_assert(path!=NULL);
    1.38 +	g_assert(gtk_tree_model_get_iter(model,&iter2,path));
    1.39 +	path2=gtk_tree_model_get_path(model,&iter2);
    1.40 +	g_assert(path2!=NULL);
    1.41 +	g_assert(gtk_tree_path_compare(path,path2)==0);
    1.42 +	gtk_tree_path_free(path2);
    1.43 +	/* Check we can convert to a path string and back */
    1.44 +	string=gtk_tree_model_get_string_from_iter(model,iter);
    1.45 +	g_assert(string!=NULL);
    1.46 +	g_assert(gtk_tree_model_get_iter_from_string(model,&iter2,string));
    1.47 +	string2=gtk_tree_model_get_string_from_iter(model,&iter2);
    1.48 +	g_assert(string2!=NULL);
    1.49 +	g_assert(strcmp(string,string2)==0);
    1.50 +	g_free(string2);
    1.51 +    }
    1.52 +    else
    1.53 +    {
    1.54 +	path=NULL;
    1.55 +	string=NULL;
    1.56 +    }
    1.57 +    if (string)
    1.58 +	g_debug("Checking iter %s",string);
    1.59 +    else
    1.60 +	g_debug("Checking virtual root iter");
    1.61 +    n=gtk_tree_model_iter_n_children(model,iter);
    1.62 +    g_assert(n>=0);
    1.63 +    if (n>0)
    1.64 +    {
    1.65 +	/* Check that GTK_TREE_MODEL_LIST_ONLY is not set inappropriately */
    1.66 +	if (iter)
    1.67 +	{
    1.68 +	    gboolean list_only_with_grandchildren;
    1.69 +	    list_only_with_grandchildren=
    1.70 +	      gtk_tree_model_get_flags(model)&GTK_TREE_MODEL_LIST_ONLY;
    1.71 +	    g_assert(!list_only_with_grandchildren);
    1.72 +	}
    1.73 +	/* Check that gtk_tree_model_iter_has_child() agrees */
    1.74 +	if (iter)
    1.75 +	    g_assert(gtk_tree_model_iter_has_child(model,iter));
    1.76 +	/* Check that gtk_tree_model_iter_children() returns the first child */
    1.77 +	g_assert(gtk_tree_model_iter_children(model,&child,iter));
    1.78 +	string2=gtk_tree_model_get_string_from_iter(model,&child);
    1.79 +	g_assert(string2!=NULL);
    1.80 +	if (string)
    1.81 +	{
    1.82 +	    g_assert(g_str_has_prefix(string2,string));
    1.83 +	    g_assert(strlen(string2)==strlen(string)+2);
    1.84 +	    g_assert(g_str_has_suffix(string2,":0"));
    1.85 +	}
    1.86 +	else
    1.87 +	    g_assert(strcmp(string2,"0")==0);
    1.88 +	g_free(string2);
    1.89 +	for(i=0;i<n;i++)
    1.90 +	{
    1.91 +	    /*
    1.92 +	     * Check that gtk_tree_model_iter_nth_child() returns the nth child
    1.93 +	     */
    1.94 +	    g_assert(gtk_tree_model_iter_nth_child(model,&child,iter,i));
    1.95 +	    string2=gtk_tree_model_get_string_from_iter(model,&child);
    1.96 +	    g_assert(string2!=NULL);
    1.97 +	    if (string)
    1.98 +		s=g_strdup_printf("%s:%d",string,i);
    1.99 +	    else
   1.100 +		s=g_strdup_printf("%d",i);
   1.101 +	    g_assert(strcmp(string2,s)==0);
   1.102 +	    g_free(s);
   1.103 +	    g_free(string2);
   1.104 +	    /* Check that my son's father is me */
   1.105 +	    if (iter)
   1.106 +	    {
   1.107 +		g_assert(gtk_tree_model_iter_parent(model,&iter2,&child));
   1.108 +		string2=gtk_tree_model_get_string_from_iter(model,&iter2);
   1.109 +		g_assert(strcmp(string,string2)==0);
   1.110 +		g_free(string2);
   1.111 +	    }
   1.112 +	    else
   1.113 +		g_assert(!gtk_tree_model_iter_parent(model,&iter2,&child));
   1.114 +	    /* Check next sibling */
   1.115 +	    if (i+1<n)
   1.116 +	    {
   1.117 +		iter2=child;
   1.118 +		g_assert(gtk_tree_model_iter_next(model,&iter2));
   1.119 +		string2=gtk_tree_model_get_string_from_iter(model,&iter2);
   1.120 +		g_assert(string2!=NULL);
   1.121 +		if (string)
   1.122 +		s=g_strdup_printf("%s:%d",string,i+1);
   1.123 +		    else
   1.124 +		s=g_strdup_printf("%d",i+1);
   1.125 +		g_assert(strcmp(string2,s)==0);
   1.126 +		g_free(s);
   1.127 +		g_free(string2);
   1.128 +	    }
   1.129 +	    else
   1.130 +	    {
   1.131 +		iter2=child;
   1.132 +		g_assert(!gtk_tree_model_iter_next(model,&iter2));
   1.133 +	    }
   1.134 +	    /* Check child */
   1.135 +	    test_tree_model_iter(model,&child);
   1.136 +	}
   1.137 +	/*
   1.138 +	 * Check that gtk_tree_model_iter_nth_child() returns no more children
   1.139 +	 */
   1.140 +	g_assert(!gtk_tree_model_iter_nth_child(model,&child,iter,n));
   1.141 +    }
   1.142 +    else
   1.143 +    {
   1.144 +	/* Check that all APIs agree that iter has no children */
   1.145 +	if (iter)
   1.146 +	    g_assert(!gtk_tree_model_iter_has_child(model,iter));
   1.147 +	g_assert(!gtk_tree_model_iter_children(model,&child,iter));
   1.148 +	g_assert(!gtk_tree_model_iter_nth_child(model,&child,iter,0));
   1.149 +    }
   1.150 +    gtk_tree_path_free(path);
   1.151 +    g_free(string);
   1.152 +}
   1.153 +
   1.154 +void test_tree_model(GtkTreeModel *model)
   1.155 +{
   1.156 +    GtkTreeModelFlags undefined_flags;
   1.157 +    undefined_flags=gtk_tree_model_get_flags(model);
   1.158 +    undefined_flags&=~GTK_TREE_MODEL_ITERS_PERSIST;
   1.159 +    undefined_flags&=~GTK_TREE_MODEL_LIST_ONLY;
   1.160 +    g_assert(!undefined_flags);
   1.161 +    test_tree_model_iter(model,NULL);
   1.162 +}