static guint
xmms_magic_complexity (GNode *tree)
{
return g_node_n_nodes (tree, G_TRAVERSE_ALL);
}
static void
g_node_test (void)
{
GNode *root;
GNode *node;
GNode *node_B;
GNode *node_D;
GNode *node_F;
GNode *node_G;
GNode *node_J;
guint i;
gchar *tstring;
failed = FALSE;
root = g_node_new (C2P ('A'));
TEST (NULL, g_node_depth (root) == 1 && g_node_max_height (root) == 1);
node_B = g_node_new (C2P ('B'));
g_node_append (root, node_B);
TEST (NULL, root->children == node_B);
g_node_append_data (node_B, C2P ('E'));
g_node_prepend_data (node_B, C2P ('C'));
node_D = g_node_new (C2P ('D'));
g_node_insert (node_B, 1, node_D);
node_F = g_node_new (C2P ('F'));
g_node_append (root, node_F);
TEST (NULL, root->children->next == node_F);
node_G = g_node_new (C2P ('G'));
g_node_append (node_F, node_G);
node_J = g_node_new (C2P ('J'));
g_node_prepend (node_G, node_J);
g_node_insert (node_G, 42, g_node_new (C2P ('K')));
g_node_insert_data (node_G, 0, C2P ('H'));
g_node_insert (node_G, 1, g_node_new (C2P ('I')));
TEST (NULL, g_node_depth (root) == 1);
TEST (NULL, g_node_max_height (root) == 4);
TEST (NULL, g_node_depth (node_G->children->next) == 4);
TEST (NULL, g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 7);
TEST (NULL, g_node_n_nodes (root, G_TRAVERSE_NON_LEAFS) == 4);
TEST (NULL, g_node_n_nodes (root, G_TRAVERSE_ALL) == 11);
TEST (NULL, g_node_max_height (node_F) == 3);
TEST (NULL, g_node_n_children (node_G) == 4);
TEST (NULL, g_node_find_child (root, G_TRAVERSE_ALL, C2P ('F')) == node_F);
TEST (NULL, g_node_find (root, G_LEVEL_ORDER, G_TRAVERSE_NON_LEAFS, C2P ('I')) == NULL);
TEST (NULL, g_node_find (root, G_IN_ORDER, G_TRAVERSE_LEAFS, C2P ('J')) == node_J);
for (i = 0; i < g_node_n_children (node_B); i++)
{
node = g_node_nth_child (node_B, i);
TEST (NULL, P2C (node->data) == ('C' + i));
}
for (i = 0; i < g_node_n_children (node_G); i++)
TEST (NULL, g_node_child_position (node_G, g_node_nth_child (node_G, i)) == i);
/* we have built: A
* / \
* B F
* / | \ \
* C D E G
* / /\ \
* H I J K
*
* for in-order traversal, 'G' is considered to be the "left"
* child of 'F', which will cause 'F' to be the last node visited.
*/
tstring = NULL;
g_node_traverse (root, G_PRE_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABCDEFGHIJK") == 0);
g_free (tstring); tstring = NULL;
g_node_traverse (root, G_POST_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "CDEBHIJKGFA") == 0);
g_free (tstring); tstring = NULL;
g_node_traverse (root, G_IN_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "CBDEAHGIJKF") == 0);
g_free (tstring); tstring = NULL;
g_node_traverse (root, G_LEVEL_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABFCDEGHIJK") == 0);
g_free (tstring); tstring = NULL;
g_node_traverse (root, G_LEVEL_ORDER, G_TRAVERSE_LEAFS, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "CDEHIJK") == 0);
g_free (tstring); tstring = NULL;
g_node_traverse (root, G_PRE_ORDER, G_TRAVERSE_NON_LEAFS, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABFG") == 0);
g_free (tstring); tstring = NULL;
g_node_reverse_children (node_B);
g_node_reverse_children (node_G);
g_node_traverse (root, G_LEVEL_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABFEDCGKJIH") == 0);
g_free (tstring); tstring = NULL;
g_node_append (node_D, g_node_new (C2P ('L')));
g_node_append (node_D, g_node_new (C2P ('M')));
g_node_traverse (root, G_LEVEL_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABFEDCGLMKJIH") == 0);
g_free (tstring); tstring = NULL;
g_node_destroy (root);
/* allocation tests */
root = g_node_new (NULL);
node = root;
for (i = 0; i < 2048; i++)
{
g_node_append (node, g_node_new (NULL));
if ((i%5) == 4)
node = node->children->next;
}
TEST (NULL, g_node_max_height (root) > 100);
TEST (NULL, g_node_n_nodes (root, G_TRAVERSE_ALL) == 1 + 2048);
g_node_destroy (root);
if (failed)
exit(1);
}