Exemple #1
0
/**
 * g_node_max_height:
 * @root: a #GNode
 *
 * Gets the maximum height of all branches beneath a #GNode.
 * This is the maximum distance from the #GNode to all leaf nodes.
 *
 * If @root is %NULL, 0 is returned. If @root has no children, 
 * 1 is returned. If @root has children, 2 is returned. And so on.
 *
 * Returns: the maximum height of the tree beneath @root
 */
guint
g_node_max_height (GNode *root)
{
  GNode *child;
  guint max_height = 0;
  
  if (!root)
    return 0;
  
  child = root->children;
  while (child)
    {
      guint tmp_height;
      
      tmp_height = g_node_max_height (child);
      if (tmp_height > max_height)
	max_height = tmp_height;
      child = child->next;
    }
  
  return max_height + 1;
}
Exemple #2
0
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);
}
Exemple #3
0
END_TEST

START_TEST(test_dbmail_mailbox_build_imap_search)
{
	char *args;
	char **array;
	uint64_t idx = 0;
	gboolean sorted = 1;

	DbmailMailbox *mb, *mc, *md;
	
	// first case
	mb = dbmail_mailbox_new(get_mailbox_id("INBOX"));
	args = g_strdup("( arrival cc date reverse from size subject to ) us-ascii "
			"HEADER FROM [email protected] SINCE 1-Feb-1994");
	array = g_strsplit(args," ",0);
	g_free(args);
	
	dbmail_mailbox_build_imap_search(mb, array, &idx, sorted);

	dbmail_mailbox_free(mb);
	g_strfreev(array);
	
	// second case
	idx = 0;
	mc = dbmail_mailbox_new(get_mailbox_id("INBOX"));
	args = g_strdup("( arrival ) ( cc ) us-ascii HEADER FROM [email protected] "
			"SINCE 1-Feb-1990");
	array = g_strsplit(args," ",0);
	g_free(args);

	dbmail_mailbox_build_imap_search(mc, array, &idx, sorted);
	
	dbmail_mailbox_free(mc);
	g_strfreev(array);
	
	// third case
	idx = 0;
	md = dbmail_mailbox_new(get_mailbox_id("INBOX"));
	args = g_strdup("( arrival cc date reverse from size subject to ) us-ascii "
			"HEADER FROM test ( SINCE 1-Feb-1995 OR HEADER SUBJECT test "
			"HEADER SUBJECT foo )");
	array = g_strsplit(args," ",0);
	g_free(args);

	dbmail_mailbox_build_imap_search(md, array, &idx, sorted);
	fail_unless(g_node_max_height(g_node_get_root(md->search))==4, 
			"build_search: tree too shallow");
	
	dbmail_mailbox_free(md);
	g_strfreev(array);

	// fourth case
	idx = 0;
	md = dbmail_mailbox_new(get_mailbox_id("INBOX"));
	args = g_strdup("1,* ( arrival cc date reverse from size subject to ) us-ascii "
			"HEADER FROM test ( SINCE 1-Feb-1995 OR HEADER SUBJECT test "
			"HEADER SUBJECT foo )");
	array = g_strsplit(args," ",0);
	g_free(args);

	dbmail_mailbox_build_imap_search(md, array, &idx, 1);
	fail_unless(g_node_max_height(g_node_get_root(md->search))==4, 
			"build_search: tree too shallow");
	
	dbmail_mailbox_free(md);
	g_strfreev(array);
}