1 /* 2 * Copyright (c) 2013, 2015, 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 import java.awt.EventQueue; 25 import java.awt.Frame; 26 import java.awt.Graphics; 27 import java.awt.Label; 28 29 /** 30 * @test 31 * @bug 7090424 32 * @author Sergey Bylokhov 33 */ 34 public final class LabelRepaint extends Label { 35 36 public static void main(final String[] args) { 37 for (int i = 0; i < 10; ++i) { 38 final Frame frame = new Frame(); 39 frame.setSize(300, 300); 40 frame.setLocationRelativeTo(null); 41 LabelRepaint label = new LabelRepaint(); 42 frame.add(label); 43 frame.setVisible(true); 44 sleep(); 45 label.test(); 46 frame.dispose(); 47 } 48 } 49 50 private static void sleep() { 51 try { 52 Thread.sleep(2000); 53 } catch (InterruptedException ignored) { 54 } 55 } 56 57 @Override 58 public void paint(final Graphics g) { 59 super.paint(g); 60 if (!EventQueue.isDispatchThread()) { 61 throw new RuntimeException("Wrong thread"); 62 } 63 test(); 64 } 65 66 void test() { 67 setAlignment(getAlignment()); 68 69 setText(""); 70 setText(null); 71 setText(getText()); 72 73 setFont(null); 74 setFont(getFont()); 75 76 setBackground(null); 77 setBackground(getBackground()); 78 79 setForeground(null); 80 setForeground(getForeground()); 81 82 setEnabled(isEnabled()); 83 } 84 }