DrawXORModeTest.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2014, 2016, 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 * @key headful
27 * @bug     8036022
28 * @summary Test verifies that drawing shapes with XOR composite
29 *          does not trigger an InternalError in GDI surface data.
30 * @run main/othervm -Dsun.java2d.d3d=True DrawXORModeTest
31 */
32import java.awt.BasicStroke;
33import java.awt.Color;
34import java.awt.Component;
35import java.awt.Dimension;
36import java.awt.Frame;
37import java.awt.Graphics;
38import java.awt.Graphics2D;
39import java.awt.Stroke;
40import java.awt.geom.Line2D;
41import java.util.concurrent.CountDownLatch;
42
43public class DrawXORModeTest extends Component {
44
45    public static void main(String[] args) {
46        final DrawXORModeTest c = new DrawXORModeTest();
47
48        final Frame f = new Frame("XOR mode test");
49        f.add(c);
50        f.pack();
51
52        f.setVisible(true);
53
54        try {
55            c.checkResult();
56        } finally {
57            f.dispose();
58        }
59    }
60
61    @Override
62    public void paint(Graphics g) {
63        if (g == null || !(g instanceof Graphics2D)) {
64            return;
65        }
66        g.setColor(Color.white);
67        g.setXORMode(Color.black);
68        Graphics2D dg = (Graphics2D) g;
69        Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT,
70                BasicStroke.JOIN_MITER,
71                10.0f,
72                new float[]{1.0f, 1.0f},
73                0.0f);
74        dg.setStroke(stroke);
75        try {
76            dg.draw(new Line2D.Float(10, 10, 20, 20));
77        } catch (Throwable e) {
78            synchronized (this) {
79                theError = e;
80            }
81        } finally {
82            didDraw.countDown();
83        }
84    }
85
86    @Override
87    public Dimension getPreferredSize() {
88        return new Dimension(400, 100);
89    }
90
91    public void checkResult() {
92        try {
93            didDraw.await();
94        } catch (InterruptedException e) {
95        }
96
97        synchronized (this) {
98            if (theError != null) {
99                System.out.println("Error: " + theError);
100
101                throw new RuntimeException("Test FAILED.");
102            }
103        }
104        System.out.println("Test PASSED.");
105
106    }
107
108    private Throwable theError = null;
109
110    private final CountDownLatch didDraw = new CountDownLatch(1);
111}
112