<?php require_once 'Swift/Tests/SwiftUnitTestCase.php'; class Swift_Bug118Test extends Swift_Tests_SwiftUnitTestCase { private $_message; public function setUp() { $this->_message = new Swift_Message(); } public function testCallingGenerateIdChangesTheMessageId() { $currentId = $this->_message->getId(); $this->_message->generateId(); $newId = $this->_message->getId(); $this->assertNotEqual($currentId, $newId); } }