public function testInsert()
{
$a = array('pages' => array('name' => 'page'));
$result = Set::insert($a, 'files', array('name' => 'files'));
$expected = array('pages' => array('name' => 'page'), 'files' => array('name' => 'files'));
$this->assertIdentical($expected, $result);
$a = array('pages' => array('name' => 'page'));
$result = Set::insert($a, 'pages.name', array());
$expected = array('pages' => array('name' => array()));
$this->assertIdentical($expected, $result);
$a = array('pages' => array(array('name' => 'main'), array('name' => 'about')));
$result = Set::insert($a, 'pages.1.vars', array('title' => 'page title'));
$expected = array('pages' => array(array('name' => 'main'), array('name' => 'about', 'vars' => array('title' => 'page title'))));
$this->assertIdentical($expected, $result);
}