@Test public void testWindowSizeAndSlide() { try { AccumulatingProcessingTimeWindowOperator<String, String, String> op; op = new AccumulatingProcessingTimeWindowOperator<>( mockFunction, mockKeySelector, StringSerializer.INSTANCE, StringSerializer.INSTANCE, 5000, 1000); assertEquals(5000, op.getWindowSize()); assertEquals(1000, op.getWindowSlide()); assertEquals(1000, op.getPaneSize()); assertEquals(5, op.getNumPanesPerWindow()); op = new AccumulatingProcessingTimeWindowOperator<>( mockFunction, mockKeySelector, StringSerializer.INSTANCE, StringSerializer.INSTANCE, 1000, 1000); assertEquals(1000, op.getWindowSize()); assertEquals(1000, op.getWindowSlide()); assertEquals(1000, op.getPaneSize()); assertEquals(1, op.getNumPanesPerWindow()); op = new AccumulatingProcessingTimeWindowOperator<>( mockFunction, mockKeySelector, StringSerializer.INSTANCE, StringSerializer.INSTANCE, 1500, 1000); assertEquals(1500, op.getWindowSize()); assertEquals(1000, op.getWindowSlide()); assertEquals(500, op.getPaneSize()); assertEquals(3, op.getNumPanesPerWindow()); op = new AccumulatingProcessingTimeWindowOperator<>( mockFunction, mockKeySelector, StringSerializer.INSTANCE, StringSerializer.INSTANCE, 1200, 1100); assertEquals(1200, op.getWindowSize()); assertEquals(1100, op.getWindowSlide()); assertEquals(100, op.getPaneSize()); assertEquals(12, op.getNumPanesPerWindow()); } catch (Exception e) { e.printStackTrace(); fail(e.getMessage()); } }