@Test
public void emptyMessages() {
MessageFactory factory = VpncoinTxMessage.getFactory();
assertEquals("", factory.createPublicMessage("").toString());
assertEquals("", factory.createPublicMessage(" ").toString());
assertEquals("", factory.createPublicMessage("\n\n").toString());
assertEquals("", factory.createPublicMessage(" \t \t").toString());
assertEquals(0, ((VpncoinTxMessage)factory.createPublicMessage("")).serialize().length);
assertEquals(0, ((VpncoinTxMessage)factory.createPublicMessage(" ")).serialize().length);
assertEquals(0, ((VpncoinTxMessage)factory.createPublicMessage("\n\n")).serialize().length);
assertEquals(0, ((VpncoinTxMessage)factory.createPublicMessage(" \t \t")).serialize().length);
}