/** * @test */ public function get_first_message() { $obj = new Conversation(); $msg1 = new Message(); $msg1->setSender(5); $msg2 = new Message(); $msg2->setSender(8); $msg3 = new Message(); $msg3->setSender(8); $obj->addMessage($msg1); $obj->addMessage($msg2); $obj->addMessage($msg3); $firstMsg = $obj->getFirstMessage(); $this->assertEquals($msg1->getSender(), $firstMsg->getSender()); }