$menu->setAttribute('class', 'testing classes');
$t->is($menu->getAttribute('class'), 'testing classes', '->setAttribute() correctly sets an attribute.');
$t->is($menu->requiresAuth(), false, 'By default ->requiresAuth() returns false.');
$menu->requiresAuth(true);
$t->is($menu->requiresAuth(), true, 'Calling ->requiresAuth() with an argument sets the property.');
$t->is($menu->requiresNoAuth(), false, 'By default ->requiresNoAuth() returns false.');
$menu->requiresNoAuth(true);
$t->is($menu->requiresNoAuth(), true, 'Calling ->requiresNoAuth() with an argument sets the property.');
$menu->setCredentials(array('c1', 'c2'));
$t->is($menu->getCredentials(), array('c1', 'c2'), '->setCredentials() with an array sets all of the given credentials.');
$t->is($menu->showChildren(), true, '->showChildren() return true by default.');
$menu->showChildren(false);
$t->is($menu->showChildren(), false, '->showChildren() with an argument properly sets the property.');
$childMenu = new ioMenuItem('child');
$childMenu->setParent($menu);
$t->is($childMenu->getParent(), $menu, '->setParent() sets the parent menu item.');
$t->is(count($menu->getChildren()), 0, '->getChildren() returns no children to start.');
$menu->setChildren(array($childMenu));
$t->is($menu->getChildren(), array($childMenu), '->getChildren() returns the proper children array.');
$menu->setNum(5);
$t->is($menu->getNum(), 5, '->setNum() sets the num property.');
$t->info('### Creating the test tree.');
// create the tree and make the variables available
extract(create_test_tree($t, 'ioMenuItemTest'));
$t->info('2 - Test the construction of trees');
check_test_tree($t, $menu);
print_test_tree($t);
// print the test tree
$t->is(get_class($pt1), 'ioMenuItemTest', 'Test that children menu items are created as same class as parent.');
// basic hierarchy functions
$t->info(' 2.1 - Test the basics of the hierarchy.');