@Test @SuppressWarnings("unchecked") public void testOpen() { tested.open(session, callback); assertEquals(session, tested.getInstance()); assertEquals(canvasHandler, tested.getSessionHandler()); assertEquals(diagram, tested.getHandler().getDiagram()); assertEquals(zoomControl, tested.getDiagramViewer().getZoomControl()); assertEquals(selectionControl, tested.getDiagramViewer().getSelectionControl()); verify(canvasHandler, times(1)).draw(eq(diagram), any(ParameterizedCommand.class)); verify(view, times(1)).setWidget(any(Widget.class)); }