1 /* 2 * Copyright (c) 2011, 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 24 /* 25 * @test 26 * @summary <rdar://problem/4904332> GradientPaint causes Java hang/crash 27 * @summary com.apple.junit.java.graphics.GradientPaint 28 * @library ../../regtesthelpers 29 * @build VisibilityValidator Waypoint 30 * @run junit R4904332GradientHang 31 */ 32 33 import test.java.awt.regtesthelpers.VisibilityValidator; 34 import test.java.awt.regtesthelpers.Waypoint; 35 import junit.framework.*; 36 import javax.swing.*; 37 import java.awt.*; 38 import java.util.Vector; 39 40 public class R4904332GradientHang extends TestCase { 41 42 private JFrame frame = null; 43 44 @Override 45 protected void setUp() throws Exception { 46 frame = new JFrame(System.getProperty("vm.version")); 47 } 48 49 @Override 50 protected void tearDown() throws Exception { 51 assertNotNull(frame); 52 frame.dispose(); 53 } 54 55 public void testR4904332() throws Exception { 56 assertNotNull(frame); 57 Container contentPane = frame.getContentPane(); 58 assertNotNull(contentPane); 59 contentPane.setLayout(new BorderLayout()); 60 GradientJPanel gradientPanel = new GradientJPanel(5); 61 assertNotNull(gradientPanel); 62 contentPane.add(gradientPanel, BorderLayout.CENTER); 63 frame.pack(); 64 VisibilityValidator.setVisibleAndConfirm(frame); 65 gradientPanel.requirePaint("Panel with gradient paint failed to paint"); 66 frame.repaint(); 67 gradientPanel.requirePaint("Panel with gradient paint did not get 2nd paint"); 68 } 69 70 public void testVarients() throws Exception { 71 assertNotNull(frame); 72 Container contentPane = frame.getContentPane(); 73 assertNotNull(contentPane); 74 contentPane.setLayout(new FlowLayout()); 75 76 Vector<GradientJPanel> panels = new Vector<GradientJPanel>(); 77 78 // Add a bunch of different panels with different sized gradients 79 for (int i = 1; i < 100; i+=10) { 80 GradientJPanel panel =new GradientJPanel(i); 81 panels.add(panel); 82 contentPane.add(panel); 83 } 84 85 // Show the whole thing 86 frame.pack(); 87 VisibilityValidator.setVisibleAndConfirm(frame); 88 89 // check that everything paints once 90 for ( GradientJPanel panel : panels) { 91 panel.requirePaint("Panel with gradient paint failed to paint"); 92 } 93 94 frame.repaint(); 95 96 // check that everything paints again 97 for ( GradientJPanel panel : panels) { 98 panel.requirePaint("Panel with gradient paint failed to paint"); 99 } 100 } 101 102 // A panel painted with a gradient 103 class GradientJPanel extends JPanel { 104 private int size = 5; 105 private GradientPaint gp = null; 106 public final Waypoint painted = new Waypoint(); 107 108 public GradientJPanel(int size) { 109 super(); 110 this.size = size; 111 gp =new GradientPaint(5, 5, Color.white, size, 5+size, Color.black); 112 } 113 114 @Override 115 public void paint(Graphics gx) { 116 Graphics2D g = (Graphics2D)gx; 117 g.setStroke(new BasicStroke( (1.0f * size) - 1 )); 118 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f)); 119 g.setPaint(gp); 120 g.drawLine(5, 5, size, 5+size); 121 painted.clear(); 122 } 123 124 @Override 125 public Dimension getPreferredSize() { 126 return new Dimension(size+10, size+10); 127 } 128 129 public void requirePaint() throws RuntimeException { 130 requirePaint("Timed out waiting for paint to compelete"); 131 } 132 133 public void requirePaint(String msg) throws RuntimeException { 134 painted.requireClear(msg); 135 painted.reset(); 136 } 137 } 138 139 140 // Boilerplate below 141 142 public static Test suite() { 143 return new TestSuite(R4904332GradientHang.class); 144 } 145 146 public static void main (String[] args) throws RuntimeException { 147 TestResult tr = junit.textui.TestRunner.run(suite()); 148 if ((tr.errorCount() != 0) || (tr.failureCount() != 0)) { 149 throw new RuntimeException("### FAILED: unexpected JUnit errors or failures."); 150 } 151 } 152 153 154 }