| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 4028580 |
| * @summary TextArea does not send TextEvent when setText. Does for insert |
| * @author kdm@sparc.spb.su: area= awt.TextAvent |
| * @run main TextEventSequenceTest |
| */ |
| import java.awt.*; |
| import java.awt.event.*; |
| |
| public class TextEventSequenceTest { |
| |
| private static Frame f; |
| private static TextField tf; |
| private static TextArea t; |
| private static int cntEmptyStrings = 0; |
| private static int cntNonEmptyStrings = 0; |
| |
| public static void main(String[] args) { |
| |
| test("non-empty text string"); |
| test(""); |
| test(null); |
| } |
| |
| private static void test(String test) { |
| |
| Robot robot; |
| try { |
| robot = new Robot(); |
| }catch(Exception ex) { |
| ex.printStackTrace(); |
| throw new RuntimeException("Unexpected failure"); |
| } |
| |
| createAndShowGUI(test); |
| robot.waitForIdle(); |
| |
| initCounts(); |
| t.setText("Hello "); |
| robot.waitForIdle(); |
| t.append("World! !"); |
| robot.waitForIdle(); |
| t.insert("from Roger Pham", 13); |
| robot.waitForIdle(); |
| t.replaceRange("Java Duke", 18, 28); |
| robot.waitForIdle(); |
| checkCounts(0, 4); |
| |
| initCounts(); |
| t.setText(""); |
| robot.waitForIdle(); |
| t.setText(""); |
| robot.waitForIdle(); |
| t.setText(""); |
| robot.waitForIdle(); |
| checkCounts(1, 0); |
| |
| initCounts(); |
| tf.setText("Hello There!"); |
| robot.waitForIdle(); |
| checkCounts(0, 1); |
| |
| initCounts(); |
| tf.setText(""); |
| robot.waitForIdle(); |
| tf.setText(""); |
| robot.waitForIdle(); |
| tf.setText(""); |
| robot.waitForIdle(); |
| checkCounts(1, 0); |
| |
| f.dispose(); |
| } |
| |
| private static void createAndShowGUI(String text) { |
| f = new Frame("TextEventSequenceTest"); |
| f.setLayout(new FlowLayout()); |
| |
| TextListener listener = new MyTextListener(); |
| |
| tf = new TextField(text); |
| tf.addTextListener(listener); |
| f.add(tf); |
| |
| t = new TextArea(text, 10, 30); |
| t.addTextListener(listener); |
| f.add(t); |
| |
| f.pack(); |
| f.setVisible(true); |
| } |
| |
| static class MyTextListener implements TextListener { |
| |
| public synchronized void textValueChanged(TextEvent e) { |
| TextComponent tc = (TextComponent) e.getSource(); |
| String text = tc.getText(); |
| if (text.length() == 0) { |
| cntEmptyStrings++; |
| } else { |
| cntNonEmptyStrings++; |
| } |
| } |
| } |
| |
| synchronized static void initCounts() { |
| cntEmptyStrings = 0; |
| cntNonEmptyStrings = 0; |
| } |
| |
| synchronized static void checkCounts(int empty, int nonempty) { |
| if (empty != cntEmptyStrings || nonempty != cntNonEmptyStrings) { |
| throw new RuntimeException( |
| String.format("Expected events: empty = %d, nonempty = %d, " |
| + "actual events: empty = %d, nonempty = %d", |
| empty, nonempty, cntEmptyStrings, cntNonEmptyStrings)); |
| } |
| } |
| } |
| |