public function testRawConditions() {
		$query = new Query(array('type' => 'read', 'model' => $this->_model, 'conditions' => null));
		$this->assertFalse($this->db->conditions(5, $query));
		$this->assertFalse($this->db->conditions(null, $query));
		$this->assertEqual("WHERE CUSTOM", $this->db->conditions("CUSTOM", $query));
	}