/* * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4188529 4240423 * @summary Verifies that the Area methods do not cache the bounds * across operations. */ import java.awt.Rectangle; import java.awt.geom.AffineTransform; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; public class BoundsCache { public static void main(String s[]) { Ellipse2D cir = new Ellipse2D.Double(110.0,100.0, 50.0, 50.0); Ellipse2D cir2 = new Ellipse2D.Double(110.0,100.0, 50.0, 50.0); Area area_cir = new Area (cir); System.out.println("before operation (bounds should be non-empty):"); System.out.println(" bounds are "+area_cir.getBounds()); System.out.println(" 2D bounds are "+area_cir.getBounds2D()); System.out.println(" isEmpty returns "+area_cir.isEmpty()); area_cir.subtract(new Area (cir2)); System.out.println("after operation (bounds should be empty):"); System.out.println(" bounds are "+area_cir.getBounds()); System.out.println(" 2D bounds are "+area_cir.getBounds2D()); System.out.println(" isEmpty returns "+area_cir.isEmpty()); if (!area_cir.isEmpty() || !area_cir.getBounds().isEmpty() || !area_cir.getBounds2D().isEmpty()) { throw new RuntimeException("result was not empty!"); } Area area = new Area(cir); area.getBounds(); area.reset(); if (!area.getBounds().isEmpty()) { throw new RuntimeException("result was not empty!"); } area = new Area(cir); Rectangle r = area.getBounds(); area.transform(new AffineTransform(1, 0, 0, 1, 10, 0)); if (area.getBounds().equals(r)) { throw new RuntimeException("bounds not updated in transform!"); } } }