1 /*

     2  * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6284484

    27  * @summary Verifies that GeneralPath objects do not "contain" or "intersect"

    28  *          empty rectangles

    29  */

    30 

    31 import java.awt.Rectangle;

    32 import java.awt.Shape;

    33 import java.awt.geom.AffineTransform;

    34 import java.awt.geom.GeneralPath;

    35 

    36 public class EmptyRectHitTest {

    37     public static int numerrors;

    38 

    39     public static void main(String argv[]) {

    40         Rectangle select1 = new Rectangle(1, 1, 1, 1);

    41         Rectangle select2 = new Rectangle(1, 1, 0, 0);

    42         Rectangle select3 = new Rectangle(100, 100, 1, 1);

    43         Rectangle select4 = new Rectangle(100, 100, 0, 0);

    44 

    45         Rectangle rect = new Rectangle(-5, -5, 10, 10);

    46         test(rect, select1, true,  true);

    47         test(rect, select2, false, false);

    48         test(rect, select3, false, false);

    49         test(rect, select4, false, false);

    50 

    51         GeneralPath gp = new GeneralPath(rect);

    52         test(gp, select1, true,  true);

    53         test(gp, select2, false, false);

    54         test(gp, select3, false, false);

    55         test(gp, select4, false, false);

    56 

    57         AffineTransform xform = new AffineTransform();

    58         xform.setToRotation(Math.PI / 4);

    59         Shape shape = xform.createTransformedShape(rect);

    60         test(shape, select1, true,  true);

    61         test(shape, select2, false, false);

    62         test(shape, select3, false, false);

    63         test(shape, select4, false, false);

    64 

    65         if (numerrors > 0) {

    66             throw new RuntimeException(numerrors+" errors in tests");

    67         }

    68     }

    69 

    70     public static void test(Shape testshape, Rectangle rect,

    71                             boolean shouldcontain, boolean shouldintersect)

    72     {

    73         if (testshape.contains(rect) != shouldcontain) {

    74             error(testshape, rect, "contains", !shouldcontain);

    75         }

    76         if (testshape.intersects(rect) != shouldintersect) {

    77             error(testshape, rect, "intersects", !shouldintersect);

    78         }

    79     }

    80 

    81     public static void error(Shape t, Rectangle r, String type, boolean res) {

    82         numerrors++;

    83         System.err.println(t+type+"("+r+") == "+res);

    84     }

    85 }