/**
* Tests:
* 1. the names() method returns an array
* 2. the number of items in the array matches the number of items added
* 3. the array returned contains just the names of the items added
*
* @return void
**/
public function testClear()
{
$pathway = new Trail();
$pathway->append('Crumb 1', 'index.php?option=com_lorem');
$pathway->append('Crumb 2', 'index.php?option=com_ipsum');
$pathway->clear();
$items = $pathway->items();
$this->assertTrue(empty($items), 'items() should return an empty array after calling clear()');
}