/* * Copyright (c) 2006, 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 6284484 * @summary Verifies that GeneralPath objects do not "contain" or "intersect" * empty rectangles */ import java.awt.Rectangle; import java.awt.Shape; import java.awt.geom.AffineTransform; import java.awt.geom.GeneralPath; public class EmptyRectHitTest { public static int numerrors; public static void main(String argv[]) { Rectangle select1 = new Rectangle(1, 1, 1, 1); Rectangle select2 = new Rectangle(1, 1, 0, 0); Rectangle select3 = new Rectangle(100, 100, 1, 1); Rectangle select4 = new Rectangle(100, 100, 0, 0); Rectangle rect = new Rectangle(-5, -5, 10, 10); test(rect, select1, true, true); test(rect, select2, false, false); test(rect, select3, false, false); test(rect, select4, false, false); GeneralPath gp = new GeneralPath(rect); test(gp, select1, true, true); test(gp, select2, false, false); test(gp, select3, false, false); test(gp, select4, false, false); AffineTransform xform = new AffineTransform(); xform.setToRotation(Math.PI / 4); Shape shape = xform.createTransformedShape(rect); test(shape, select1, true, true); test(shape, select2, false, false); test(shape, select3, false, false); test(shape, select4, false, false); if (numerrors > 0) { throw new RuntimeException(numerrors+" errors in tests"); } } public static void test(Shape testshape, Rectangle rect, boolean shouldcontain, boolean shouldintersect) { if (testshape.contains(rect) != shouldcontain) { error(testshape, rect, "contains", !shouldcontain); } if (testshape.intersects(rect) != shouldintersect) { error(testshape, rect, "intersects", !shouldintersect); } } public static void error(Shape t, Rectangle r, String type, boolean res) { numerrors++; System.err.println(t+type+"("+r+") == "+res); } }