public function testDelete()
{
$comment1 = new CommentTestModel();
$comment1->save();
$comment11 = new CommentTestModel();
$comment11->parent = $comment1;
$comment11->save();
$comment2 = new CommentTestModel();
$comment2->save();
$comment22 = new CommentTestModel();
$comment22->parent = $comment2;
$comment22->save();
$comment222 = new CommentTestModel();
$comment222->parent = $comment22;
$comment222->save();
$comment3 = new CommentTestModel();
$comment3->save();
$comment4 = new CommentTestModel();
$comment4->save();
$comment44 = new CommentTestModel();
$comment44->parent = $comment4;
$comment44->save();
$this->_testDbElement($comment1->getPk(), 1, 4, 0, 0);
$this->_testDbElement($comment11->getPk(), 2, 3, 1, $comment1->getPk());
$this->_testDbElement($comment2->getPk(), 5, 10, 0, 0);
$this->_testDbElement($comment22->getPk(), 6, 9, 1, $comment2->getPk());
$this->_testDbElement($comment222->getPk(), 7, 8, 2, $comment22->getPk());
$this->_testDbElement($comment3->getPk(), 11, 12, 0, 0);
$this->_testDbElement($comment4->getPk(), 13, 16, 0, 0);
$this->_testDbElement($comment44->getPk(), 14, 15, 1, $comment4->getPk());
$comment2->delete();
$this->_testDbElement($comment1->getPk(), 1, 4, 0, 0);
$this->_testDbElement($comment11->getPk(), 2, 3, 1, $comment1->getPk());
$this->_testDbElement($comment3->getPk(), 5, 6, 0, 0);
$this->_testDbElement($comment4->getPk(), 7, 10, 0, 0);
$this->_testDbElement($comment44->getPk(), 8, 9, 1, $comment4->getPk());
$comment1->delete();
$this->_testDbElement($comment3->getPk(), 1, 2, 0, 0);
$this->_testDbElement($comment4->getPk(), 3, 6, 0, 0);
$this->_testDbElement($comment44->getPk(), 4, 5, 1, $comment4->getPk());
$comment3->delete();
$this->_testDbElement($comment4->getPk(), 1, 4, 0, 0);
$this->_testDbElement($comment44->getPk(), 2, 3, 1, $comment4->getPk());
}
