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/*
* 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));
}
}
}
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