public function testBadInput()
{
/* @todo: Change in Horde_Imap_Client 3.0 to detect Exception, instead
* of blank mailbox name. */
$ob = new Horde_Imap_Client_Data_Format_Mailbox("foo");
/* binary() call creates the blank string representation. */
$this->assertFalse($ob->binary());
$this->assertEquals('', strval($ob));
}