public function testRetrieveTree()
{
list($t1, $t2, $t3, $t4, $t5, $t6, $t7) = $this->initTree();
$tree = Table9Peer::retrieveTree();
$this->assertEquals(array($t1, $t2, $t3, $t4, $t5, $t6, $t7), $tree, 'retrieveTree() retrieves the whole tree');
$c = new Criteria();
$c->add(Table9Peer::LEFT_COL, 4, Criteria::GREATER_EQUAL);
$tree = Table9Peer::retrieveTree($c);
$this->assertEquals(array($t3, $t4, $t5, $t6, $t7), $tree, 'retrieveTree() accepts a Criteria as first parameter');
}