node2.setOrigin(120, 10); // (120, 10, 80, 40) -> max (200, 50)
SimpleConnectionSelection selection = setupConnection();
selection.startDragging(105, 30);
assertEquals(3, selection.getEditPoints().size());
assertTrue(selection.isDragging());
selection.updatePosition(120, 50);
selection.updatePosition(130, 70);
selection.stopDragging(140, 90);
assertFalse(selection.isDragging());
assertEquals(3, conn.getPoints().size());
// the position at stopDragging() has no effect !