1/*
2 * Copyright (c) 2013, 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
24import java.awt.Graphics2D;
25import java.awt.Polygon;
26import java.awt.image.BufferedImage;
27
28/**
29 * @test
30 * @bug 8004821
31 * @summary Verifies that drawPolygon() works with empty arrays.
32 * @author Sergey Bylokhov
33 */
34public final class Test8004821 {
35
36    public static void main(final String[] args) {
37        final int[] arrEmpty = {};
38        final int[] arr1elem = {150};
39        final BufferedImage bi = new BufferedImage(300, 300,
40                                                   BufferedImage.TYPE_INT_RGB);
41        final Graphics2D g = (Graphics2D) bi.getGraphics();
42        test(g, arrEmpty);
43        test(g, arr1elem);
44        g.translate(2.0, 2.0);
45        test(g, arrEmpty);
46        test(g, arr1elem);
47        g.scale(2.0, 2.0);
48        test(g, arrEmpty);
49        test(g, arr1elem);
50        g.dispose();
51    }
52
53    private static void test(final Graphics2D g, final int[] arr) {
54        g.drawPolygon(arr, arr, arr.length);
55        g.drawPolygon(new Polygon(arr, arr, arr.length));
56        g.fillPolygon(arr, arr, arr.length);
57        g.fillPolygon(new Polygon(arr, arr, arr.length));
58        g.drawPolyline(arr, arr, arr.length);
59    }
60}
61