public function testSetErrorCodeMessage() { $ErrorCodeMessages = getProperty('MailForm', 'ErrorCodeMessages'); $mailform = new MailForm(); $mailform->setErrorCodeMessage(1000000, 'test'); $errorCodeMessages = $ErrorCodeMessages->getValue($mailform); $this->assertArrayHasKey(1000000, $errorCodeMessages); $this->assertEquals('test', $errorCodeMessages[1000000]); }