Point2D oldp2 = conn.getEndPoint2();
assertEquals(3, selection.getEditPoints().size());
assertTrue(selection.isDragging());
selection.updatePosition(120, 50);
selection.updatePosition(130, 70);
selection.cancelDragging();
assertFalse(selection.isDragging());
assertEquals(2, conn.getPoints().size());
assertEquals(oldp1, conn.getPoints().get(0));
assertEquals(oldp2, conn.getPoints().get(1));
}