@Test
public void testFirstTimestampIsNow() {
message.setTime(new GregorianCalendar(2000, 01, 01).getTimeInMillis());
ArgumentCaptor<GPSLocationMessage> messageCaptor =
ArgumentCaptor.forClass(GPSLocationMessage.class);
long now = (new Date()).getTime();
decorator.sendGPSLocationMessage(message);
verify(decoratedSimulator, only()).sendGPSLocationMessage(messageCaptor.capture());
assertTimestampsAreCloseEnough(now, messageCaptor.getValue().getTime());
}
@Test
public void testTwoTimestampsHaveSameDifference() {
ArgumentCaptor<GPSLocationMessage> messageCaptor =
ArgumentCaptor.forClass(GPSLocationMessage.class);
long start = (new Date()).getTime();
GPSLocationMessage message1 = new GPSLocationMessage();
message1.setTime(new GregorianCalendar(2012, 12, 12, 12, 12, 12).getTimeInMillis());
GPSLocationMessage message2 = new GPSLocationMessage();
message2.setTime(new GregorianCalendar(2012, 12, 12, 12, 12, 14).getTimeInMillis());
decorator.sendGPSLocationMessage(message1);
long midde = (new Date()).getTime();
decorator.sendGPSLocationMessage(message2);
long end = (new Date()).getTime();
verify(decoratedSimulator, times(2)).sendGPSLocationMessage(messageCaptor.capture());
List<GPSLocationMessage> decoratedMessages = messageCaptor.getAllValues();
long startByTracker = decoratedMessages.get(0).getTime();
long endByTracker = decoratedMessages.get(1).getTime();
assertTimestampsAreCloseEnough(start, startByTracker);
assertTimestampsAreCloseEnough(start, midde);
assertTimestampsAreCloseEnough(end, endByTracker);
assertTimestampsAreCloseEnough(startByTracker + 2000, endByTracker);
}